13 best deep cell battery chargers
Deep cell battery chargers, also known as deep cycle battery chargers, are specialized devices used to charge deep cycle batteries. These chargers are commonly used in various applications, including automotive, marine, RV, and renewable energy systems. Here's what you need to know about them:
Deep Cycle Batteries: Deep cycle batteries are a type of lead-acid battery designed for repeated deep discharges and recharges. They are commonly used in applications where a steady and sustained power source is needed, such as powering RVs, boats, golf carts, and solar energy systems.
Purpose: The primary purpose of deep cell battery chargers is to recharge deep cycle batteries efficiently and safely. Unlike regular car batteries, deep cycle batteries can endure deeper discharges without significant damage, but they require a specific charging profile to maintain their longevity and performance.
Charging Profile: Deep cycle battery chargers are designed to deliver a multi-stage charging profile.This typically includes bulk charging to rapidly replenish the battery's charge, absorption charging to reach near-full capacity, and float or maintenance charging to keep the battery at its optimal level without overcharging.
Voltage Regulation: These chargers often incorporate voltage regulation features to ensure that the charging voltage remains within safe limits for the deep cycle battery. Overcharging can lead to electrolyte loss and damage to the battery.
Ampere Rating: Deep cell battery chargers come in various ampere ratings to match the capacity and size of the deep cycle battery being charged. It's crucial to choose a charger with an appropriate ampere rating to prevent overcharging or undercharging.
Compatibility: Some deep cycle battery chargers are designed for specific battery types, such as AGM (Absorbent Glass Mat), gel cell, or flooded lead-acid batteries. It's important to select a charger that is compatible with the type of battery you are using.
Safety Features: Quality deep cell battery chargers include safety features like reverse polarity protection, short-circuit protection, and over-temperature protection to prevent accidents and damage to the charger and battery.
Maintenance Mode: Many deep cycle battery chargers have a maintenance or trickle charge mode. This mode keeps the battery topped off and in good condition during long periods of inactivity, such as during the off-season for boats or RVs.
Portability: Some chargers are designed to be portable and may include features like carrying handles or rugged casing for outdoor use.
Digital Displays: Advanced deep cell battery chargers often feature digital displays that provide real-time information on the charging process, including voltage, current, and charge status.
Desulfation: Some chargers include a desulfation mode, which helps break down sulfate crystals that can form on battery plates over time, potentially extending the life of the battery.
Deep cycle battery chargers are essential tools for anyone who relies on deep cycle batteries for their power needs. Properly maintaining and charging deep cycle batteries with dedicated chargers can help ensure their longevity and reliable performance, whether in an RV, boat, renewable energy system, or other applications.
Below you can find our editor's choice of the best deep cell battery chargers on the market
NOCO GENIUS10, 10-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation
NOCO
Product description
Introducing the all-new GENIUS10, making it one of our most powerful, highest-performing, energy-efficient, and compact charger yet. The GENIUS10 is a 6-volt and 12-volt battery charger, battery maintainer, trickle charger, and battery desulfator, rated at 10-amp for all types of lead-acid and lithium-ion batteries, including flooded, gel, and AGM, as well as, marine and deep-cycle batteries.
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- GENIUS10 - Similar to our G7200, just better. It's 17% smaller and delivers 115% more power. It's the all in one solution battery charger, a battery maintainer, trickle charger, plus battery desulfator
- Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries
- Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates
- Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts
- Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life
- Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge
- Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more
NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation
NOCO
Product description
Introducing the all-new GENIUS1, making it one of our most powerful, highest-performing, energy-efficient, and compact charger yet. The GENIUS1 is a 6-volt and 12-volt battery charger, battery maintainer, trickle charger, and battery desulfator, rated at 1-amp for all types of lead-acid and lithium-ion batteries, including flooded, gel, and AGM, as well as, marine and deep-cycle batteries.
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- Meet the GENIUS1 - Similar to our G750, just better. It's 35% smaller and delivers 35% more power. It's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.
- Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.
- Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
- Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.
- Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
- Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
- Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.
Optima Digital 1200 12V Performance Battery Charger and Maintainer - 150-33508
Optima
Product description
The Optima Chargers Digital 1200 Battery Charger enhances the performance of 12V AGM and flooded OPTIMA batteries as well as other high-performance AGM batteries, recovers deeply discharged batteries and helps extend battery life. With an easy-to-read, bright, backlit LCD gauge that displays battery charging, fill rate, mode settings and fault messages, this charger offers one of the best user interfaces. It is microprocessor controlled and features high-efficiency 12-amp changing that outperforms conventional chargers. Additioanlly it features a battery maintainer port and cable for maintaining the battery in stored vehicles.
- Charges batteries other chargers cannot , down to 1.25V; Car audio/video applications exceeding 250 watts over the OE system
- Integrated (+) charging clamp LED work light with nonslip grips
- Charges, conditions and maintains 12V AGM and flooded batteries
- LCD battery charging gauge and quick-set selections for easy operation
- USB charging port compatible with smartphones, cameras and tablets
- Charges 12V batteries other chargers cannot
- Charges faster than competitive chargers with up to two times the output
User questions & answers
| Question: | This optima charger how long is the warranty, thanks |
| Answer: | We provide 18-Month Hassle-Free Warranty, 24-hour friendly customer service and 100% customer satisfaction. |
| Question: | Are the battery terminal clips/clamps plastic |
| Answer: | Yes. This smart battery charger supports charging all types of 12V lead-acid battery, including AGM, GEL and STD. After searching the optima yellow top battery on market, most of optima yellow top batteries are AGM, which can be charged by this smart battery charger. |
| Question: | Does it work with Optima battery only or work with all brands |
| Answer: | There is a difference between a dead battery and a drained battery. A completely dead battery is not safe to charge. I believe this device needs a battery with at least 6 volts to recognize it as a battery and begin to charge it. |
| Question: | Are the clamps made of plastic or are they built of some other material that will actually last |
| Answer: | On my 2013 Jetta I had to turn the cables sideways on the post to get a better connection. If this does not work, it is because the battery is bad. |
Product features
DIGITAL 1200
The OPTIMA Chargers Digital 1200 Battery Charger enhances the performance of 12V AGM and flooded OPTIMA Batteries as well as other high-performance AGM batteries. It also recovers deeply discharged batteries and helps extend battery life. With an easy-to-read, bright, backlit LCD gauge that displays battery-charging, fill rate, mode settings and fault messages, this charger offers one of the best user interfaces.
OPTIMA Digital 400 Features
- Maximize battery life and performance with OPTIMA Batteries’ built-in battery health mode
- Hybrid LED battery-charging gauge with LCD display
- Hook it and tilt it with the dual-purpose stand design or hang it with included wall organizer bracket
- 4 amp max
Benefits of Optima Chargers
- Microprocessor-controlled charging. Intelligent and efficient technology charges batteries faster
- Advanced safety features including no spark, reverse polarity, diagnosis of several battery faults and failures to prevent overcharging
- Fully automatic, multi-stage performance charging, conditioning, maintaining and storage reconditioning mode
- Recovers deeply discharged batteries and extends battery life and maintains battery performance by inhibiting and breaking up sulfation in your battery
OPTIMA Digital 1200 Features
- Enhances the performance of OPTIMA and other AGM batteries
- Charges, conditions and maintains 12V AGM and flooded batteries
- Recovers deeply discharged batteries and extends battery life
- USB charging port
- 12 amp max
ADPOW 5A 12V Automatic Smart Battery Charger Automotive Maintainer 7-Stages Trickle Charger for Deep Cycle Battery Car Marine Trolling Motor Boat Truck Lawn Mower RV AGM with Terminal Cleaning Brush
- Intelligent Charging Mode: 7-stages automatic charging process [ Desulfation - SoftStart - BulkCharge - Absorbtion - TestMode - Recondition - Float] by MCU controller, the LED indicator provide visual feedback of battery capacity and diagnostic information accordingly, efficiently prolong the lifetime of the battery.
- Wide Application: Charge fully drained 12V Pb/SLA/GEL/AGM/VRLA/sealed lead-acid batteries and WET/FLOODED for maintenance, including lawn mower, boat, car, electric vehicle, electric tools, ride-on toys.
- Multi-Protection: Ensure ultimate safety protect against Short circuit/OVP/OCP/Overload/Polarity reversed,etc, full-loaded & burn-in test proved to be high efficiency and longevity.
- Customized Design: Ultra-compact, portable and lightweight with the mounting holes, non-slipping and easy to carry; Water and dust resistant make it more safe to use in any situations.
- What you Get: Come with smart battery charger with DC Adapters, with lifetime quality warranty & 30 days refund & timely after-sale service solve all your problems.
User questions & answers
| Question: | Will it restart correctly if the power to it goes out and comes back on |
| Answer: | About 1 ft long. |
| Question: | I attached it to my battery of my rv and the led lights just cycle through continuously, why would this happen |
| Answer: | Yes |
| Question: | I have a small drain on my battery in 2018 jeep can I leave this charger hooked up to keep it charged for days |
| Answer: | No, its not made to charge up a dead battery,it is a battery jump starter, not a car battery charger. |
| Question: | Battery has been in abosorption mode for 3 days. Is something wrong |
| Answer: | Hello Armando, We appreciate that you are interested in our products. This starter has 12-month warranty. Any other questions or need help, you can contact us with Amazon or our offical E-mail address [email protected] with our best assistance. Thank you. |
Ampeak 2/8/15A 12V Smart Battery Charger/Maintainer Fully Automatic with Winter Mode
Ampeak
- 🚗✔ Smart Fast Charger: 2A / 8A / 15A / Auto charging rate, fully automatic high frequency charging for all types of 12V lead acid batteries, including GEL, AGM and STD. Not only do you choose the charging rate manually, but also the optimal function can automatically select the charge rate best fit for your type of battery.
- 🚗✔ Excellent Winter Charging Mode: Specialized design for charging battery in winter weather conditions to sustain a longer life of battery and to ensure perfect charging
- 🚗✔ Safety Protection: Microprocessor-controlled, with multi-stage charging for added precision, safety, and battery life. No worry about battery Over Voltage, Over Heat, Overtime Charging, Short Circuit and Reverse Polarity
- 🚗✔ Advanced LCD Display: Intuitive words and vivid icon, easily keeping track of charging status, charging current, voltage, battery type, and error information
- 🚗✔ Complete 6-step Charging Program: Desulphation, Soft Start, Bulk Charge, Absorption, Battery Test and Floating, allow for optimization of battery power, without overcharging or damaging. Household Use Only. (Do not charge a frozen or dead battery!)
User questions & answers
| Question: | What is the warranty for th |
| Answer: | The user manual does not say anything about slow charging; it might charge the battery to a point if connected to it but it won't be slow. The car battery charger can charge small electronic devices via USB ports, but the charging circuitry that controls, monitors and limits the amount of current that goes to charge these devices is in the small electronic device itself. Customer support might be able to give you a better answer. The customer support number for the car battery charger is listed as 1 (888) 965-5888 in the user guide. |
| Question: | does this work with optima yellow top battery |
| Answer: | The cables are about 8 inches long not including the clips. However since the power pack is only a little larger than a cell phone it is easy to get it within a couple of inches of the battery posts so the cables do not have to be long to reach. That is the great thing about these little starters....they work without having to have space to maneuver a car or to need long cables. |
| Question: | Why does it say not to charge a dead battery in the warnings? Is that not what it’s meant for |
| Answer: | It charges using a provided USB-C cord but you must provide the wall or auto charger. |
| Question: | Charger says to connect cables when they are connected |
| Answer: | The instructions say at least 20%. |
Product features
MCU Controlled Program
Intelligent microprocessor monitors the attached battery's voltage level from the moment it is connected, using this ever-changing data to improve the charging system's multi-stage charging cycle, resulting in quicker charge times and a lessened chance of damage due to overcharging.
High Voltage Reconditioning
Charger adopts high voltage up to 15.8V to stimulation battery, mainly for the bad battery caused by short circuit or low-softening plate. The working cycle is five cycles. If the charger test concludes that the battery is still less than 12V after the repair cycle, the dead battery is determined.
Comfortable and Easy-to-Carry Handle
Unique handle adopts Arc design, with high comfort, has good ergonomics that minimize the possibility of experiencing aches and cramps.
Reliable Cooling System
Features with one cooling fan and reliable cooling vent to disperse heat and increase charging efficiency. When the charger is in constant current and constant voltage, the cooling fan would works.
Durable ABS Shell
Applies the technology of ABS material, great insulation, anti-falling, sturdy and durable.
Convenient Cables Storage
It is easy and convenient to use and store alligator clip and power cord.
LST 12V 5A Automatic Battery Charger Maintainer Smart Deep Cycle Battery Trickle Charger for Automotive Car Boat Motorcycle Lawn Mower Marine RV SLA ATV AGM GEL CELL WET& FLOODED Lead Acid Battery
- √ Wide Application - Charge fully drained 12V Pb/SLA/GEL/AGM/VRLA/sealed lead-acid batteries and WET/FLOODED for maintenance, it’s smart battery charger for boat, trolling motor, car, automotive, motorcycle, automobile, lawn mower, lawn tractor, camper, watercraft, powers-port, electric vehicle, back-up generator, etc.
- √ Multi-Protection - LST trickle battery charger ensure ultimate safety protect against Reverse Polarity, Short Circuit, Over Voltage/Current, Over Charge/Discharge, Overload, Overheat; Spark proof during lead connection; Water and dust resistant battery maintainer charger, full-loaded and burn-in test proves its stable performance and high reliability.
- √ 7-Stage Automatic Charging - [Desulfation - Soft Start - Bulk Charge - Absorption - Test - Recondition - Float], charge and maintain your battery wherever you go; LST motorcycle battery charger monitor the whole charging process, automatically switches to float mode after fully charging the battery by MCU controlled; LST battery trickle charger will recover batteries more effectively and extend the battery life.
- √ Intuitive LED Indicator - 12V 5A deep cycle battery charger provide visual feedback of battery capacity and diagnostic information accordingly, efficiently prolong the lifetime of the battery. Input 100-240V, ultra-compact, portable and lightweight with the mounting holes, easy to carry the boat battery maintenance charger everywhere.
- √ 100% Satisfactory Trickle Charger - 12 volt battery maintainer charger features with detachable alligator, ring adapters and an extra SAE extension cord; LST automotive car battery charger maintainer offer lifetime quality warranty & 12-month refund & timely 24/7 after-sale services, just get lst motorcycle charger with confidence.
LST 12V 24V Truck Battery Charger Maintainer Auto Trickle Deep Cycle Charging for Automotive Car Marine Boat RV SLA ATV AGM Gel Cell WET Lead Acid Batteries
- Fast Charging: Charge fully drained 12V&24V SLA/GEL/AGM/VRLA/lead-acid batteries and WET/FLOODED batteries for maintenance, including Car, SUV, Boat, Excavator,Truck, and heavy cars
- Automatic and High Efficiency: Automatic charge cycle functionality switches to float mode after fully charging the battery by MCU controlled; High efficiency
- LED & Independent Failure Indicator: 2 LEDs indicator for battery charging 50%,100%, an independent failure indicator. Provide visual state-of-charge feedback and diagnostic information by MCU controlled, even when in maintenance mode, can choose battery clamps which suit your equipment
- Unique design: Ultra-compact, portable and lightweight with the mounting holes, non-slipping and easy to carry; unique metal surface means long life and high reliability
- Protections and What you get: Short circuit/OVP/OCP/Overload/Polarity reversed; You will get awesome battery charger with decent package, 3-Year quality warranty & timely after-sale services! You deserve to own it!
User questions & answers
| Question: | Can I extend the charging wires |
| Answer: | Sure, just be sure to use the same gauge wire as on the charger. |
| Question: | Will all the safety functions work on a 12v 200 ah Lithium battery |
| Answer: | It’s a 10 amp charger. You may want to look for a 2 amp charger. |
| Question: | Can i use this with a generator to charge a solar battery bank of 4 12vdc batteries wired for 24vdc output |
| Answer: | Hi dear, this car abttery charger can charge fully drained 12V & 24V SLA/GEL/AGM/VRLA/lead-acid batteries and WET/FLOODED batteries for maintenance, not for others like 48 volt batteries. |
| Question: | Will this work with a positive ground system |
| Answer: | I have to 12 volt marine battery’s wired for 24 volts. The charger allows you to select 12 or 24. I clamp positive to one battery and negative to the other. Works excellent. |
Schumacher SC1281 100 Amp 30 Amp 6V/12V Fully Automatic Smart Battery Charger 100A Engine Starter and 30A Boost Maintainer and Auto Desulfator Advanced Diagnostic Testing
Product description
Charge or jump start your SUV, truck, or large battery with the Schumacher SC1281 6/12V Fully Automatic Battery Charger and 30/100A Engine Starter. Contains battery and alternator tester which provides charge level and helps diagnose electrical problems. Features 30A for quick energy boost and 100A to jump start your car right away. Microprocessor controlled, multi-stage charging adds precision, safety and battery life. Built-in reverse hook-up protection prevents charger from operating if clamps are reversed. LED indicators and Start/Stop push button interface improves accuracy and ease of use. Features auto voltage detection to easily detect 6 or 12V batteries. Meets the highest industry standards with its Schu Eco Energy. DOE compliant. Compatible with standard, AGM, gel, and deep-cycle batteries.
- Features 30A quick boost and 1H2:L1600A jump start, powerful enough to start SUVs, trucks and large batteries
- Battery and alternator tester provides charge level and helps diagnose electrical problems
- Features multi-stage charging and auto-voltage detection for added precision, safety and battery life
- Reverse hook-up protection ensures charger will not operate if clamps are reversed
- Charges compatible battery types, including standard, AGM, gel and deep-cycle batteries
User questions & answers
| Question: | Does this charger have a desulfation mode on it |
| Answer: | The manual talks about a desulfation mode existing, but does not say how to trigger it, or whether it is part of the automatic charging system. https://www.batterychargers.com/sites/default/files/manuals/0099001912E-R3.pdf page 8. |
| Question: | What does the 2/6 mean? Is this the trickle or battery maintenance mode info |
| Answer: | Starts at a moderate 6 amp charge reducing to 3 amps as charging nears completion. |
| Question: | Is it portable |
| Answer: | Light and portable, but needs a 120volt outlet, or a long(100' extension cord) to far distances. |
| Question: | Is this a 4 stage charger (bulk, absorption, float, equalization |
| Answer: | The SC1281 does, Bulk, absorption, equalization, desulfation and maintenance features |
NOCO GENIUS5, 5-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation
NOCO
Product description
Introducing the all-new GENIUS5, making it one of our most powerful, highest-performing, energy-efficient, and compact charger yet. The GENIUS5 is a 6-volt and 12-volt battery charger, battery maintainer, trickle charger, and battery desulfator, rated at 5-amp for all types of lead-acid and lithium-ion batteries, including flooded, gel, and AGM, as well as, marine and deep-cycle batteries. 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- Meet the GENIUS5 - Similar to our G3500, just better. It's 34% smaller and delivers 65% more power. It's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.
- Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.
- Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
- Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.
- Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
- Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
- Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.
NOCO GENIUS2, 2-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation
NOCO
Product description
Introducing the all-new GENIUS2, making it one of our most powerful, highest-performing, energy-efficient, and compact charger yet. The GENIUS2 is a 6-volt and 12-volt battery charger, battery maintainer, trickle charger, and battery desulfator, rated at 2-amp for all types of lead-acid and lithium-ion batteries, including flooded, gel, and AGM, as well as, marine and deep-cycle batteries.
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- Meet the GENIUS2 - Similar to our G1100, just better. It's 34% smaller and delivers 65% more power. It's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.
- Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.
- Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
- Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.
- Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
- Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
- Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.
STANLEY BC25BS Smart 12V Battery Charger for Car/Marine Charging, 25 Amp
Product description
The STANLEY BC25BS bench battery charger features a 75 amp engine start, which helps start your vehicle in about 90 seconds. If you are looking for battery maintenance instead of a jump start, once connected to your vehicle battery the bench battery charger does the rest for optimum performance. Our fully automatic high frequency maintenance charger delivers 3-stage charging and automatically switches from fast charge to top-off to trickle charge. This bench battery charger is ideal for motorhomes, boats, jet skis, lawn tractors, ATVs, snowmobiles, and vehicles that sit idle for months at a time. It is able to charge and maintain any AGM, GEL, or WET automotive or marine 12V battery. It's equipped with a digital LCD screen that displays charging status and battery status with easy to understand icons. It also features a patented alternator check to evaluate the battery voltage under load to indicate if the alternator is maintaining battery level. This battery charger eliminates the need to manually input settings like battery type and size, and charges up to 40% faster than other conventional chargers. The built-in cord, cable wrap, and clamp storage make this battery charger easy to use and store. It is also California Energy Commission (CEC) compliant and ETL Certified for performance and safety.
- Dependable and safe to use; In an emergency, the 75-amp engine start helps jump start your vehicle in about 90 seconds
- Successfully maintains the battery on any AGM, GEL, or WET automotive or marine 12V battery with the push of a button
- High-frequency smart charging technology keeps battery at an optimal charge and automatically switches from fast charge, to top-off, to trickle charge
- Allows you to monitor and charge your battery in the quickest and safest way possible; Provides extended longevity
- Front of battery charger features four different options; LCD screen displays battery status with understandable icons
User questions & answers
| Question: | If a little rain wet this charger would it mash up |
| Answer: | If the charger got wet, take it in the house and let it COMPLETELY DRY OUT. Let it dry for a DAY OR TWO. Don't even think about using the charger if it hasn't dried out! |
| Question: | Can I use this to jump start my vehicle if I do not have access to a power source |
| Answer: | Yes, it's the first item in the description: "In an emergency, the 75-amp engine start helps jump start your vehicle in about 90 seconds." |
| Question: | Working with 220 volts imput |
| Answer: | NO This unit is for 110 volts only. DO NOT USE WITH 220 VOLTS. |
| Question: | I have a full size chevy 1500 would the engine start feature crank my truck with an almost dead battery |
| Answer: | Turn off all accessories and and proceed to crank as you normally do. the starter is still 12 volt, there's no reason that your engine should not start, I haven't considered the diesel starting possibility, but start as one usually would,and Idont forsee any problem. I've had to only use this feature once, but it worked as designed, I like this product, and recommend to other undecided, possible buyers. :-) Augusta Ks. 4-3-17 |
BMK 12V 5A Smart Battery Charger Portable Battery Maintainer with Detachable Alligator Rings Clips Fast Charging Trickle Charger for Car Boat Lawn Mower Marine Sealed Lead Acid Battery
- 【UPGRADED DEFECTIVE BATTERY DETECT/FAST CHARGING CAR BATTERY BOOSTER】Updated with battery condition diagnose to detect the defective battery before charge. Input 100-240V AC, With 5A DC output current, BMK 12V 5A car battery charger is suitable for charging batteries with 15-100Ah. NOTE: To better tender the battery, please make sure the battery capacity is higher than 15Ah, it can also charge over 100Ah batteries, just more charging time. ETL Certified for performance and safety
- 【UPGRADED 72-HOUR SAFETY FEATURES/MULTI SAFETY PROTECTIONS - BATTERY RESCUE & RECOVER】Updated with 72 hours safety feature to commence anytime the charger is onto protect marginal batteries from over charging. Made of high quality ABS, multi-protects of Short Circuit/ OV/ OC/ Overload/ Polarity Reverse, featured with Constant Pulse Current Maintenance function to avoid overcharge and discharge; Full-loaded and burn-in test prove its high reliable efficiency, stable performance
- 【4-STAGE SMART CHARGING - FULLY AUTOMATIC BOAT BATTERY CHARGER】 12V battery charger operated with 4 stages automatic charging process by MCU controller, 25%/50%/75%/100% to indicate quantity of electricity and monitor the whole charging progress. Stop automatically when the battery is fully charged. LED indicator designed to display different charging status of the 12v smart charger
- 【UPGRADED WITH 10A FUSE ONTO RING CONNECTORS & MULTI-PURPOSES DEEP CYCLE BATTERY CHARGER】Pb/SLA/VRLA/GEL/AGM lead acid battery charger tender, operated with vulcanization function, BMK battery maintainer charger is a great choice for lawn mower, boat, car, motorcycle, electric vehicle, electric tools and emergency battery charging, lightweight(15.87oz) allows you take it to anywhere, used as Trickle Battery Charger as well
- 【QUALIRY ENSURANCE & IN TIME SERVICE】BMK is devoted to provide boat battery trickle charger with higher qulality to meet buyers' needs better and timely after-sale services, eliminate all your worries about getting this trolling motor battery charger. Just get your Automotive Car Battery Charger Maintainer with confidence, and contact us if you have any problems about the item when using
Product features
BMK 5A SMART BATTERY CHARGER IN HAND, ALL BATTERY TROUBLES GO AWAY.
STAGE 1 - DIAGNOSTIC
Desulfating the Battery Through 18V Pulse
The Charger can be used with 12-100Ah, however 12-60Ah is highly recommended for higher efficiency and battery protection.
STAGE 2 - BULK CHARGE
Charging Highest Rate Current Till 80% Capacity
Featured with LED for indicating different charging modes
Alter the charging process based on organic battery feedback.
STAGE 3 - ABSORPTION
Absorption, Till Full Capacity
Output voltage is limited to 14.7V while current declines as the battery to be fully charged.
Stabilize internal battery chemistry to increased performance and longevity.
STAGE 4 - MAINTAIN
Float, Maintain the Battery Through Pulse Charging
Battery is fully charged at this stage.
Minimize energy consumption when full power is not needed.
DEFECTIVE BATTERIES DETECT
- The Fault Light Flashing: Reversed Polarity
- The Fault Light ON: Defective Battery
SPARKPROOF
- Prevent sparks
- Automatically check whether the connection is correct or not before powering up
QUICK DISCONNECT HARNESS
- Connect and disconnect with the battery in seconds
72-HOUR SAFETY FEATURE
- Upgraded 72 Hour Safety Timer to commence anytime the charger is onto protect marginal batteries from over charging
Schumacher SC1308 2/12/30/100A 6V/12V Battery Charger and Engine Starter
Schumacher
Product description
Schumacher’s SC1308 Battery Charger and Engine Starter is designed for advanced diagnostic testing, engine starting, battery charging and maintaining. Fully automatic voltage detection for 6 or 12-volt batteries. The 100A engine start is powerful enough for SUV’s, trucks and other large batteries. Digital display with LED indicators provides easy-to-read charge levels and helps diagnose electrical problems. Microprocessor-controlled to automatically adjust the amperage rate to charge and float-mode monitoring maintains optimum battery charge. Multi-stage charging provides added precision, safety and prolongs the life of the battery. Reverse hook-up protection ensures the charger will not operate if clamps are reversed with LED flash notification. Easily store cord with attached wrap cleats. Powered by Schu Eco Energy to meet the highest industry for energy efficiency.
- 100A engine start for SUV’s, trucks and large batteries
- Automatic voltage detection for 6 or 12-volt batteries
- Battery and alternator tester with easy-to-read digital display
- Microprocessor controlled with float mode monitoring to automatically charge and maintain
- Reverse hook-up protection protects battery and unit from damage
User questions & answers
| Question: | which Schumacher chargers have internal cooling Fans |
| Answer: | The SC1308 does have a cooling fan and it is thermostatic controlled and only comes on when needed |
| Question: | how long are the battery cables |
| Answer: | 4 foot |
| Question: | How do you know when the charger is ready to use? There is no "ready" or status indicator showing how much juice is left in the charger |
| Answer: | The charger itself isn't issuing the juice - it's just helping convert the energy from the plug. There is indeed a ready indicator light - the manual covers everything clearly and it was easy for me to understand (i'm absolutely not a car guy) |
| Question: | Does this charger have a desulfation mode on it |
| Answer: | Yes, the SC1308 does have a desulfation mode that is automatic |
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