10 best sla battery chargers

Product description

Note:



Only for 12V Sealed Lead Acid (SLA) Battery!!! Do not use this charger on other battery.

For the first use, please connect an battery to active it to get the voltage output, or else there will no have output.





Parameter:



Input voltage: 100V-240V AC 50/60 HZ

Output voltage: 14.2-14.8V suit for 12V car and motorcycle battery

Output current: 1300mA

Can be used on 12V Sealed Lead Acid (SLA) Battery ONLY

Short Circuit Protection

Multi Colored LED display for status indication

Red Led on when charging

Green Led on when fully charged

For Indoor and 12V only

Size(L*W*H): 7.3X4.8X2.9cm/ 2.87"x1.88"x1.14" (approx)

Power Wire length: 31 cm Wire length: 64 cm

Red clip connects to positive, Black clip connects to negative





Charging time:



Varies with the size of batteries

12V 5-7AH takes about 6 hours;

12V 9AH takes about 10 hours;

12V 15-25AH takes about 13-15 hours.





Remove battery charger timely after fully charged.

• For all 12V valve-controlled maintenance-free lead-acid batteries (motorcycle battery, car battery, backup power, ups, emergency power, solar, audio, fire power, security power, ATVs and Lawn Mowers, Electric Sprayer)
• Short Circuit Protection, more safety when charge your battery.
• Keep track of your battery loading status via the LED indicators so that you know when to unplug and go. (Red = charging, Green = Battery full)
• Notice: Only for 12V Sealed Lead Acid (SLA) Battery!!! Do not use this charger on other battery.
• 180 days quality assurance, any problems, feel free to contact us.

User questions & answers

Question:	Just received the charger. The indicator is always green, never goes red. It doesn't seem to charge the battery
Answer:	My charger light also stays green. It probably is just indicating that the charger is properly plugged into the AC outlet. I have used it over 10 tomes now to charge my sealed lead acid battery with no issues.
Question:	Is it necessary to disconnect the battery from generator before charging it
Answer:	Yes.
Question:	Will it work for this https://www.amazon.com/dp/b004j2tr1i/ref=nav_timeline_asin?_encoding=utf8&psc
Answer:	As long as it fits in the same space
Question:	Will this charger shut off automatically when the battery is fully charged
Answer:	No, when the battery is full charged the charger switches state to light the green led.

Product description

Specification：

Product name: 12V1.25A power supply

Battery specifications: 5-17AH

Input voltage: 100V-240V AC 50/60 HZ

Output voltage: 13.8-14.4V suit for 12V car and motorcycle battery

Output current: 1.25A MAX

Output power: 18W

Size(L*W*H): 7.3X4.8X2.9cm/ 2.87"x1.88"x1.14" (approx)

Power Wire length: 48.5 cm Wire length: 71 cm



Use:

1, Can be used on 12V Sealed Lead Acid (SLA) Battery ONLY.

2, Short Circuit Protection.

3, Red clip connects to positive, Black clip connects to negative.

4, Multi Colored LED display for status indication, Red Led on when charging, Green Led on when fully charged, For Indoor and 12V only.



Charging time:

Varies with the size of batteries

12V 5-7AH takes about 6 hours;

12V 9AH takes about 10 hours;

12V 15-25AH takes about 13-15 hours.

Remove battery charger timely after fully charged.

• 【Short Circuit Protection】Using the best IC solution, stable quality performance with overload, overvoltage, short circuit protection functions. Short Circuit Protection, more safety when charge your battery.
• 【For all 12V valve】Suit for controlled maintenance-free lead-acid batteries (motorcycle battery, car battery, backup power, ups, emergency power, solar, audio, fire power, security power, ATVs and lawn mowers, electric sprayer).
• 【LED indicators】Keep track of your battery loading status via the LED indicators so that you know when to unplug and go. (Red = charging, Green = Battery full)
• 【Notice】Only for 12V Sealed Lead Acid (SLA) Battery! Do not use this charger on other battery.
• 【Worry-free purchase】180 days quality assurance, any problems, feel free to contact us.

User questions & answers

Question:	Will this work on a 12v battery that has discharged to 6v? Some chargers need a minimum of 10-11v to operate
Answer:	not sure as I am not charging those kinds. You should ask the manufacturer to make sure. It probably does. I have had mine for two months and so far so good doing ATV and lawn tractor type batteries. if you get it, get the 2 extra years insurance for $4.00. Don't be a cheapy.
Question:	No manual comes with this charger. could you please clarify what color of led indicates charging or fully charged? Your descriptions are contradicting
Answer:	Mine were packaged very nicely and I had no problems. If I were you, I would send them back.
Question:	What does it mean when the charger is flashing red and green
Answer:	The green board is magnetic.Each product include 2 magnets,1 marker pen and 1pen holder.Hope this will help you.
Question:	does this do normal car/marine batteries
Answer:	The color of glass board is similar to the “The Green Board Installation Picture”. It looks like a little bit light green. Different screens show slightly difference.
Question:	Hello, will this charge AGM batteries
Answer:	I got the 4x3 and I didnt mount it onto any studs. Just use the plastic anchors it comes with they are pretty solid. I went to the hardware store and told the associate I was hanging a 35lb glass board with no studs thinking he would sell me stronger anchors or talk me out of it. He said not to worry those plastic ones are pretty heavy duty enough. I went with his word and I have no isses.

Product description

Warning：Don't touch the Non-insulated part when charging!



Specifications:

.Color: Black

.Material: ABS, Copper Core

.Input: 100～240Vac 47/63Hz

.Voltage: 12-14.4V

.Efficiency: 80% (Max.load)

.Temperature: -10--40℃

.Ambient Humidity: 30%--85%

.Storage Temp: -20℃--70℃

.Storage Humidity: 30%--90%

.Certification: CE-LVD,CE-EMC, FCC, 3C, UL

.Product Size: 3.4*1.9*1.2 inches

.Product Weight: 4.4 oz

.Package Dimensions: 3.9*2.2*3.0 inches

.Package Weight: 4.8 oz

.Packing: Box



Package Contents:

.1 x Portable Battery Smart Charger

• ►▷Accurate Positive Voltage Detection Function: It will not charge when the battery is full.
• ►▷LED indicator lights show charging status: The first is green when you turn on the power; The second is red when the product during charging; The third is green when the product finished charging.
• ►▷Charge, maintain and restore your car, bike, atv, boat, scooter, suv, or truck's 12V battery
• ►▷Smart charger maintainer for AGM, GEL, SLA, FLA 12 Volt for Car and other 12V battery
• ►▷Notice: This is Floating Charger which is more safe. Maximum allowable voltage to 14.8 volts. Be care of the Clip positive and negative electrode(Red is positive and Black is negative )

User questions & answers

Question:	Can I charge 4 12V batteries wired in series by connecting this charger to one battery
Answer:	You could charge one battery at a time with it if it's wired in series. Also you could connect 4 chargers, one to each battery, if it's wired in series.
Question:	Do you have to disconnect the battery terminals before using this charger
Answer:	No just clamp to post
Question:	Will this charge a 12v nicd pack with open wires
Answer:	This charger is designed for lead-acid batteries. NiCd have a different charging requirement, so it may not be safe to use this charger.
Question:	this charger work with battery ps-1250 F1 12 Volt 5 ampere
Answer:	The charger work for any 12V battery

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

• √ Perfect for all 12V lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell); It's smart car battery charger for automobiles, automotive, marine, boats, camper, trolling motor, RVs, ATVs, watercraft, powersport, riding lawnmower, lawn tractor, snowmobiles, etc.
• √ Safety Guarantee - Multi protection against Reverse polarity/ Short Circuit/ Over Voltage/ Over Current/ Overload/ Overheat; Spark proof during lead connection; Water and dust resistant float charger, full-loaded and burn-in test proves its stable performance and high reliability.
• √ 4-Stage Automatic Charging - Features with detachable ring or alligator connectors, charge and maintain your battery wherever you go; the battery maintenance charger monitor the whole charging process, automatically switches to float mode after fully charging the battery by MCU controlled; LST motorcycle battery charger will recover batteries more effectively and extend the battery life.
• √ Intuitive LED Indicator - 12 volt automotive battery maintainer charger provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode. Input 100-240V, ultra-compact and lightweight, easy to carry the 12v battery charger everywhere.
• √ 100% Satisfactory Float Charger - You will get awesome trickle chargers for 12 volt batteries with decent package; LST trickle battery charger offer 3-Year quality assurance & 12-Month refund & timely after-sale services.

User questions & answers

Question:	How do I know which Stage it is charging on
Answer:
Question:	On my charger it shows all the green lights. Its green light in 0-50 and 50-100 and also green on standby. Is that normal
Answer:
Question:	Is this a dual voltage that I can use overseas with 220v outlets
Answer:
Question:	Is there some warranty
Answer:

Product features

4 STAGE- CHARGE & MAINTAIN MODES

1. Desulfation - Detects battery sulfation or severe discharge.

2. Bulk charge - Using highest rated current till 80% capacity.

3. Absorption - Till its full capacity without overheating.

4. Float - Maintain the battery through pulse charging.

Warm Tips: If battery stays at stage 2 after 24 hours of charging, the battery is defective.

Fully Automatic

No need of any manual operation, just plug and leave it.

Reverse Polarity Protection

Checks for the correct connection before giving power.

Sparkproof

Only give power with correct connection with batteries.

Quick Disconnect Harness

Connect and disconnect the 12 volt trickle chargers in seconds.

INTUITIVE LED INDICATOR

2 LED indicator for battery charging 50%, 100%.

Diagnostic & Recovery

The Fault light ON when detecting reverse polarity,short circuit or damaged batteries.

Applies a high-voltage pulse charge when low-voltage, sulfation or lost capacity is detected.

REFERENCE CHARGING TIME

Charge Battery : 3-30AH

Maintain Battery : 3-45AH

Note: LST battery float charger can be used with larger capacity battery,

just longer charging time, no damage to your battery.

MULTI-LEVEL SAFETY

MCU Controlled

Assuring correct level of power is sent to the battery at all times.

Connect and Forget It

Once connected, the motorcycle trickle charger manage your

battery' s health on it' s own.

PACKAGE CONTENTS

- 1 x Battery Charger & Maintainer

- 1 x Alligator Clips for an alternate connection

- 1 x Fused Ring Terminal Harness for hard to reach spaces

- 1 x Instruction Manual

Product description

Introducing the all-new GENIUS2X2, making it one of our most powerful, highest-performing, energy-efficient, and compact charger yet. The GENIUS2X2 is a 6-volt and 12-volt two-bank battery charger, battery maintainer, trickle charger, and battery desulfator. 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• Meet the all-new GENIUS2X2 - a two-bank battery charger, battery maintainer, trickle charger, and battery desulfator - the perfect all-in-one solution for battery maintenance.
• Multiple banks - A two-bank battery charger maintainer rated a 4-amps - 2-amps per bank - designed to charge and maintain multiple vehicles like cars, motorcycles, boats, ATVs, RVs, lawn mowers, lawn tractors, trucks, and more.
• 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.

Product description

Feature:



Very compact.Very good quality. Solid construction.

Short circuit protection (LED goes out, charging stops)

Charging when the LED is Red, Full Charged when the LED is Green

Charging time varies with the size of batteries.

12V 5-7AH takes about 6 hours;

12V 9AH takes about 10 hours;

12V 15-17AH takes about 13-15 hours.

Specification:

Red clip connects to positive, Black clip connects to negative.

Plug:US Plug

Input: AC 100-240 V, 50-60HZ

Output: DC 12V 1.5A

LED indicator: Red = charging. Green = Battery full

Dimension: 7.5 x 5 x 3.5cm

Product Length: 100 cm

Input Wire length: 31.5 cm

Output Wire length: 67 cm

Note:

Only for 12V Sealed Lead Acid (SLA) Battery!!! Do not use this charger on other battery.

For the first use, please connect an battery to active it to get the voltage output,

or else there will no have output.

Package Includes:

1 x Battery Charger

• For all 12V valve-controlled maintenance-free lead-acid batteries (motorcycle battery, backup power, ups, emergency power, solar, audio, fire power, security power, ATVs and Lawn Mowers, Electric Sprayer)
• Short Circuit Protection, more safety when charge your battery.The larger the battery capacity, the longer the charging time.
• Keep track of your battery loading status via the LED indicators so that you know when to unplug and go. (Green = charging, Red = Battery full)
• Notice: Only for 12V Sealed Lead Acid (SLA) Battery!!! Do not use this charger on other battery.
• 90 days quality assurance, any problems, feel free to contact us.

Product description

Tenergy's TN600 is a full-featured smart charger for 6V and 12V lead acid batteries. With a built-in intelligent circuit, it is able to detect the voltage of your 6V/12V SLA battery and charge it accordingly. TN600 utilizes the 3-stage charging design (constant current, constant voltage, float charge) to improve the charging efficiency, prolong the battery's cycle life, and make sure the battery stays fully charged while it is connected to the charger.



Product Features

Auto Output Select for 6V & 12V SLA:

TN600 can detect the voltage of any 6V / 12V lead acid battery connected to it, and automatically selects the correct output. This eliminates the need to manually select the charger output, and the risk of potential accidents caused by choosing the wrong setting.

3-Stage Charging:

TN600 has a sophisticated design that can charge lead acid batteries in 3 stages (constant current, constant voltage, float charge), which optimizes the charging efficiency, prolongs the longevity of your lead acid batteries, and ensures your battery can stay charged even when it's left connected to the charger for a long time.



Safety Protection:

TN600's safety protection design prevents over-charging, short-circuits, and reverse-polarity.



Technical Specifications

Red LED to indicate charging, Green LED to indicate charging completed

Input: 100-240VAC (50-60Hz)

Output: 6V & 12V, 500mA

Output Connector: Alligator Clips

UPC: 844949020701





CAUTION:

- Do not disassemble charger.

- Don't charge other types of battery chemistries. It may cause explosion or fires.

- The charger is for indoor use only and should be kept away from high temperature surroundings.

- Keep out of children's reach.

- Don't place metal object into charger, may cause fire and injury.

• SLA BATTERY CHARGER - Alligator clips to recharge sealed lead acid batteries: input 100-240VAC (50-60Hz) and outputs 6V & 12V 500mA
• SMART VOLTAGE - Automatically detects and provides right voltage for 6v and 12v batteries
• 3 STAGE CHARGING - Ensures your SLA batteries are fully recharged and stays full
• LED STATUS LIGHTS - Red and green LED lights quickly alerts charging status
• ADVANCED SAFETY - Built-in safety protections against over voltage, short circuits, and reverse polarity. Includes Tenergy 12-months manufacturer warranty

User questions & answers

Question:	I'm buying this for an Ice fishing flasher, How long will it take to charge a 12v 9ah battery
Answer:	This charger charges at 500mAh per hour. If using this charger to full charge a empty 9000mAh battery, estimated charging time: 18-20 hrs.
Question:	will this charger over charge a battery or will it shut off automately after battery is fully charge
Answer:	It will turn on a green light and stop charging
Question:	led blinking red and green for a few seconds then went out. Just took out of box. Is it defective
Answer:	This charger's behavior is quite normal. The red and green LED will flash once after the power is on. Then it will go out, and it will enter the standby state.
Question:	Can this be used in cell phone
Answer:	Again NO.

Product description

Specification

Input voltage: 100-240VAC,50-60Hz

Input current: 1.1A

Charge Voltage: Rating 12V,Bulk limited voltage 14.7V

Ripple Current:Current-ripple< =0.13A rms

Bulk Charge current: 3.3A

Cooling: Natural convection, do not cover the charger

Charge Principle:Auto 4 stage : Ud-I-Uo-Up

Battery Type: All kinds of lead acid battery (SLA,GEL,AGM..)

Battery Capacity: 6-80Ah

Size: 120x67x41mm

Weight: 270g



This is a smart professional battery charger for all kinds of lead acid battery like

SLA/GEL/AGM/VRLA and so on, simply connect the Alligator clip to battery positive (red)

and negative (Black) is ok

• For 12V lead acid /SLA/AGM/GEL/VRLA Battery Use Only, capacity from 6-20AH,if your battery is bigger you can choose our charger 4.5A with ASIN:B076QDFGL7
• Smart Charger with MCU control, recovery function, can repair the old battery, desulfurating the battery through 18V Pulse
• Programmed four auto Stage (Ud-Im-Uo-Up)charging process, ensure battery is fully charged safely
• Display the charging process by the LED fuel gauge from 25% to 100% Timely, very helpful for user
• UL listed charger, have short circuit, reverse protection in case wrong use.

User questions & answers

Question:	How long would it take to fully charge a 12v sla 20ah battery
Answer:	Around 6-7 hours
Question:	v, 100a, 4 years old bosch car battery was working 4 weeks ago, until car storage. now shows 3.3v. will this charger work
Answer:	Seems voltage very low You may have a try to rescue the battery by this charger
Question:	Can you use on 12v 7ah battery for power wheel
Answer:	Yes. All kind of 12V lead acid battery is ok. For 12V 7AH pack may charge fully in 3 hours
Question:	If the 100% LED lamp is flashing and the 20%, 50%, 80% stay solid green is it errors bad battery
Answer:	I don’t know for sure. However it may just still be charging. It seems to me if it was a bad battery, it wouldn’t have even charged to the 80% level.

Product description

Description: 

Input Voltage: 100V -240V AC 50/60HZ

Output Voltage: 14.2-14.8V suit for 12V car and Motorcycle battery

Note: for the first use, please connect a battery to activate it to get the voltage output, or else there will be no output

Output current: 1300mA

Can be used on 12 Volt battery systems ONLYAutomatic charging without over chargingShort Circuit Protection

Over Current Protection

Battery Polarity Reversal

Multi-Colored LED display for status indication Led on when charging

Green Led on when fully charged Indoor and 12V only

Plug type: US Plug

Size (L*W*H): 7.3x4.8x2.9cm/2.87"x1.88"x1.14"(approx)

Red clip connects to positive, Black clip connects to negative

Charging Time:

12V5-7Ah battery, charging time is more than 6 hours;12V 9Ah battery, charging time is more than 10 hours;

12V 15-25Ah battery, charging time is more than 13-25 hours;

lt is normal that the charger has a certain temperature when charging

Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you.

Scope of application:

1、All 12V valve-controlled maintenance-free lead-acid batteries/water-filled batteries (motorcycle batteries, single battery car batteries, car batteries, backup power supplies, UPS, emergency power supplies, solar power, audio, firepower supplies, and security power supplies are mostly 12V).

2、There is no capacity limit on the battery. The larger the battery capacity, the longer the charging time. (Considering the charging time, it is recommended for batteries with a capacity below 12V 12Ah)

3、Whether it is a maintenance-free dry battery (battery), a water-filled battery, or a gel battery, it can be used.

• ►▷With soft-start function: the start current is small, effectively reducing the AC input impact. It can withstand frequent switching and start without damaging the power supply.
• ►▷LED indicator lights show charging status: The first is green when you turn on the power; The second is red when the product during charging; The third is green when the product finished charging.
• ►▷Smart charging: It has short-circuited protection and overload protection, and adopts constant current, constant voltage, and trickle three-stage charging methods to protect the charger and battery.
• ►▷There is over-voltage protection: If the output voltage exceeds the standard due to accidental failure, the power supply will be shut down to protect the battery. After the voltage is normal, the output will be restored, otherwise, the charging will stop.
• ►▷Smart charger maintainer: All 12V valve-controlled maintenance-free lead-acid batteries/water-filled batteries (motorcycle batteries, single battery car batteries, car batteries, backup power supplies, UPS, emergency power supplies, solar power, audio, firepower supplies, and security power supplies