6 best battery charger rvs

A battery charger for RVs is a crucial component in an RV (Recreational Vehicle) electrical system, especially if it utilizes solar panels, solar wind power, generators, or portable power sources. These chargers are designed to replenish the energy stored in the RV's batteries, ensuring that you have a continuous and reliable power supply while on the road or camping in remote areas. Here are some key aspects to consider:

Solar Panels: Many RVs are equipped with solar panels on their roofs.Solar chargers are designed to harness energy from the sun and convert it into electricity to charge the RV's batteries. They are environmentally friendly and can provide a sustainable power source.
Solar Wind Power: Some advanced RV setups may include wind turbines in addition to solar panels. Wind power chargers are designed to capture energy from wind and convert it into electricity for battery charging.
Generators: RVs often have built-in or portable generators to provide power when solar or wind sources are insufficient or during cloudy days. Battery chargers can be integrated with generators to charge the RV batteries efficiently.
Portable Power Sources: RV owners may also use portable power sources like portable solar panels or generators. Battery chargers should be compatible with these sources and have the necessary connectors to ensure efficient charging.
Patio Lawn Garden: While not directly related to battery chargers, maintaining your RV's electrical system is essential for outdoor activities like using patio equipment, lawn and garden tools, and lighting. A well-maintained battery charger ensures a stable power supply for such activities.

When choosing a battery charger for your RV, consider the following factors:

Type of Battery: RVs typically use deep-cycle batteries, so the charger should be compatible with these batteries.
Charging Capacity: Ensure the charger can meet your RV's power demands. Consider the size and number of batteries you have.
Charge Controller: Some chargers come with built-in charge controllers to prevent overcharging and protect your batteries.
Input Sources: Verify that the charger can accept input from various sources like solar panels, wind turbines, and generators.
Voltage and Amperage: The charger's output voltage and amperage should match your RV's battery specifications.
Installation: Consider the ease of installation and compatibility with your RV's existing electrical system.

Proper maintenance of your battery charger and batteries is essential to prolong their lifespan and ensure reliable power during your RV adventures. Regularly check the charger, clean solar panels, and follow the manufacturer's recommendations for care and maintenance.

Remember that a well-functioning battery charger is crucial for powering your RV's electrical systems and making your outdoor experiences enjoyable and comfortable.

Below you can find our editor's choice of the best battery charger rvs on the market

Fine 20W Solar Panel,Car Battery Charger, Portable Solar Panel,12V / 5V Battery Charger for RV Boat, Car, Caravan (with Alligator Clip)

Fine

Based on 1 reviews Check latest price

Product description

Features

It can be used as an alternative charger for cars, trucks, caravans, boats, motorcycles, RV batteries or any 12V lead acid battery.

It is waterproof and can be placed outdoors.

Provides 2 alligator clips and charging cable for all kinds of equipment, emergency lights, advertising lights, traffic lights, electric fans, solar water pumps, motorcycles, boats, etc.

specification

Power: 20W

Panel: Monocrystalline silicon

Size: 210mmx175mmx2.5mm

No-load voltage: 14V DC & USB 5.2V

Load voltage: 12V DC & USB 5.0V

Output current: 600 mA (max)

USB2.0 output: 5V 600mA

Package includes:

1x Solar panel

2x Alligator clip

1x Charging cable

☞ Provides 2 alligator clips and charging cable for all kinds of equipment, emergency lights, advertising lights, traffic lights, electric fans, solar water pumps, motorcycles, boats, etc.
☞ It can be used as an alternative charger for cars, trucks, caravans, boats, motorcycles, RV batteries or any 12V lead acid battery.
☞ There are built-in diodes in the alligator clip to help prevent reverse charging. It is waterproof and can be placed outdoors.
☞ Output current: 600 mA (max), No-load voltage: 14V DC & USB 5.2V, Load voltage: 12V DC & USB 5.0V
☞20W 12V Solar Panel High Efficiency Module Off Grid PV Power for Battery Charging, Boat, Caravan, RV and Any Other Off Grid Applications

TP-solar Solar Panel Kit 30W 12V Monocrystalline Battery Charger Maintainer with 10A Charge Controller + Extension Cable for 12 Volt Car RV Vehicle Marine Boat Home Off Grid System

Based on 423 reviews Check latest price

Product description

TP-solar 30W solar panel charging kit allows you to start producing free, clean power from the sun!

It is the basic component of off-grid 12V solar system including GEL, SEALED, FLOODED (Wet Cell) Battery.

Widely applied to off grid 12 Volt battery charging system and a variety of DC applications, including caravan, RV, car, boat, green house, marine, dry camping, garden watering, shed, cabin, gate opener, etc.

Build with high efficiency A grade monocrystalline solar cell, provide you with the most efficiency per space.

TP-solar 30 Watt Solar Charging Kit is the ideal solution for providing back-up power or off-grid power when you need it!

This Kit includes our one 10A 12V/24V PWM solar charge controller with digital display.

The digital display provides detailed system information including solar panel charging amperage, battery voltage, battery temperature, amperage of load draw etc.

30W solar panel specifications

Nominal voltage (Vmp) 18V

Nominal current (Imp) 1.4A

Open-circuit voltage (Voc) 21.8V

Short-circuit current (Isc) 1.6A

Cell efficiency 19.5%

Dimension: 23.6 x 13.4 x 1 inch

10A solar charge controller specification

Rated discharge Current: 10A.

Battery Voltage: 12V/24V auto.

Two USB output Voltage: 5V/2.5A.

PWM charging mode.

LCD screen display.

Package included:

1pc 30 watt mono solar panel

1pc 10A solar charger controller

1pc 6.5ft extension cable with Battery Clips

1pc 6.5ft extension cable with O-Ring Terminal

Perfect for off grid 12 volt batteries charging system and a variety of DC applications, designed for charging 12 volt batteries in car, RVs, cabins, boats, marines, shed, cabin, gate opener, battery operated gates, dry camping, garden watering, work great for back-up power and remote power use.
Solar panel kits, package included 30 watts solar panel, 10A 12V/24V solar charger regulator controller and two 6.5ft cable with alligator clips and O-ring terminal for battery charging connection, easy to fix and install.
With the 10A solar charger controller, it can prevent the battery from over charge, over voltage, discharge and short circuit, reversed polarity protection, battery is fully protected.
High efficiency monocrystalline solar cells, heavy duty anodized aluminum frame, the corrosion-proof aluminum frame and tempered glass coating shield the panel from weathering and wear.
The solar panel is built with strong tempered glass and aluminum frame, 25 years transferable output and high quality material and workmanship for long lasting use.

User questions & answers

Question:	Hey, when will this item be back in stock
Answer:	The solar panels are glass. Housing is ABS plastic.
Question:	Can panels be set in windshield
Answer:	There are diodes inside. Solar panels do not consume any battery power.
Question:	I need to power an item that uses 10 watts of power. How can I tell if this will do the job or not
Answer:	You can stay connected, but you need to secure it very firmly. Its surface is glass, which is very easy to break.
Question:	Can you please provide me the controller dimensions? SInce the company said its not waterproof Im searching for a nema rated enclosure
Answer:	Dear, the solar panel battery charger is suitable for 12V batteries and it can be used for 12V gel batteries.

Product features

30 Watt Monocrystalline Solar Panel Kits - Battery Charger and Maintainer

30 watt solar panel specifications

Nominal voltage (Vmp) 18 V

Nominal current (Imp) 1.4 A

Open-circuit voltage (Voc) 21.8 V

Short-circuit current (Isc) 1.6 A

Cell efficiency 19.5%

Dimension 23.6 x 13.4 x 1 inch

30 Watt Monocrystalline Solar Panel

Advanced encapsulation material with multi-layered sheet laminations enhance cell performance and provide a long service life

High efficiency monocrystalline cells

12V battery use, high quality glasses, small in size and easy to take.

10A 12V/24V Auto Charge Controller

Rated discharge Current: 10A.

Battery Voltage: 12V/24V auto.

Two USB output Voltage: 5V/2.5A.

Reliable

Corrosion-resistant aluminum frame allows extended outdoor use; the panels can last for decades

Durable

Mounting hole ready, make it easy to mount with DIY brackets.

Versatile

Can be used for many different applications

2/10/25A 12V Smart Battery Charger/Maintainer Fully Automatic with Engine Start, Cable Clamps

Based on 2 reviews Check latest price

Fast, Smart Battery Charger: The Battery Charger can charge all types of 12V Lead-acid Batteries, including GEL, AGM and STD. It is perfect for charging Automotive, Motorcycle, Marine, RV, PowerSport, Lawn & Garden, etc. Do not charge a frozen or dead battery that has gone below 3V.
7-Step Charging Program: Desulphation, Soft Start, Bulk Charge, Absorption, Battery Test, Recondition and Floating. This allows for optimization of battery power, without overcharging or damaging.
Advanced Start Aid: Engine Start Aid feature can help start your vehicle in about 120 seconds.
Auto Detect Systems: Features Battery Voltage detection, then automatically selects charge rate for charging and maintaining. Battery reconditioning feature helps extend battery life. LCD screen displays charging status and battery status with easy to understand icons.
Safety Protection: Battery Charger has Over Voltage, Over Heat, Overtime Charging, Short Circuit, and Reverse Polarity Protection to ensure users safety.

Product features

TowerTop Smart Battery Charger/Maintainer

Charges 12 Volt Lead Acid batteries including Standard, AGM, GEL, and Sealed Lead Acid.
LCD screen displays charging status and battery status with easy to understand icons.
Start Aid function can optimize the power of your battery in only 120 Second, giving you enough power to start most cars.
Warning:
For 12V battery only, not to be used with 24V battery.
Do not charge a frozen or dead battery that has gone below 3V.

7-STAGE CHARGING AND MAINTENANCE MODES

1. Desulphation: Pulse charges the battery to break down the build-up of lead sulphate crystals. Lead sulphate crystals can occur when a battery has been discharged or left unused for a period of time, seriously affecting the performance and lifespan of the battery.

2. Soft Start: A slow steady buildup of the charging process that limits the power supplied to protect the battery.

3. Bulk Charge: The main part of the charging process where 80% of the charge is applied.

4. Absorption: Fully charges the battery by slowly reducing the charge rate to allow the battery to absorb more power.

5. Battery Test: An automatic test to determine the battery condition after charging. If further charging is required, the Recondition stage is selected. If fully charged, the battery goes into Float status.

6. Recondition: Unique charge state to recover deeply discharged batteries.

7. Float: Maintains the battery at 100% charge without overcharging or damaging the battery, allowing the Smart Charger to be left connected to the battery indefinitely.

How the charger protects you and your battery?

TowerTop Battery Charger Stringently lab-tested in UL (Underwriters Laboratories) certified testing facilities. The Charger has UL/FCC certification.

Battery charger/maintainer has multifunctional Safety technology including short circuit protection, spark-free system, reverse polarity protection, overcharge protection,over-voltage protection, temperature protection, making it totally safe for anyone to use.

This allows you to safely maintain and extend the battery life of your lead-acid batteries while allowing your vehicles/equipment to operate more efficiently and stably.

Charging time(T)= battery capacity(Ah) / charging current(A)

Excellent ABS Shell

Hard, excellent impact resistance
Good flame retardancy
Corrosion resistance
Good electrical insulation
Widely used in automotive, electronic communications, construction, etc.

Unique Storage Cables Design

It easily solves your troubles with storing cables.
After use, you can quickly store your cables.
No more wasting your time.

What is the size of the charger?

Item Weight: 5.25 pounds
Power plug cable length: 6FT
Battery clip cable length: 6FT
Charger Dimensions: 10.1 x 6.9 x 4.7 inches

All-Inclusive Battery Clip

Insulated all-inclusive chuck, no need to worry about leakage
Bold inner core, stable current, no damage to battery
Large bite force, not fall off

Fully Automatic System

With Smart Detect System, Automatic current selection, Automatic Identify Low Voltage, Automatic Stop After Full-charged.

Smart Cooling Fan

Smart fan with fan controlled function. In the normal charging process, when the charger is in constant current and constant voltage state (when the current is greater than 3.5A or the temperature is greater than 122℉), the fan works normally.

Lightweight & Portable Design

Ergonomic design, the flexible handle makes the charger more portable. It’s a great addition to your tools for your car.

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

Based on 680 reviews Check latest price

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.

POWOXI 7.5W-Solar-Battery-Trickle-Charger-Maintainer -12V Portable Waterproof Solar Panel Trickle Charging Kit for Car, Automotive, Motorcycle, Boat, Marine, RV, Trailer, Powersports, Snowmobile, etc.

Based on 627 reviews Check latest price

【Ultra-High Conversion】: 20% conversion rate. The solar charger absorbs strong sunlight and converts it into 12 volt DC current to charge the battery. The single crystal silicon panel can work all day.
【Reverse Protection】: Solar charger will not damage the battery and overcharge. Solar charger uses built-in barrier diode to prevent reverse discharge. When the light is strong, the blue indicator lights up, which means it starts to work. In the dark, the indicator lights out and stop working.
【More Durable】: 7.5W 12V solar charger covers super high efficiency PV glass, which is high transparency, low iron tempered glass, high strength, strong impact resistance, snow resistance and long service life.
【Easy Use】: This solar battery charger and maintainer can maintain 12V Wet, Gel, SLA, AGM and Deep Cycle batteries, etc., Also, perfect for any cars, motorcycle, boat, marine, tractor, RV, Powersports, snowmobile, truck, etc. It’s easy to use, just plug and play.
【After-Sales Guarantee + Low Maintenance】: 12-month warranty & life-long technical support. Clean the glass surface after long use, and the power generation effect will be better. No need extra maintenance, no electricity, energy saving and environmental protection. If you have any questions in the process of using, please contact us. We are very willing to solve the problem for you. I hope you can help us grow up slowly.

User questions & answers

Question:	How long are the wires
Answer:	I think the wires that came with the unit are probably 6 feet long but if you need more length you can purchase an extender. Keep in mind the less the voltage must travel the more efficient the charger will operate.
Question:	What is the wire awg? 14awg or 16awg
Answer:	This is a small current Its wires can support its current There won't be any problems
Question:	can I use this for light in my barn
Answer:	You could if you connected it to a small 12v battery and used some of the 12 LED retrofit light kits they use for the interior of cars or an 12v led strip. I'd suggest maybe a 12v CCTV battery to make it affordable. Unless you are talking about large amounts of light, then you probably would be better off with some kind of pre-made solar light kit.
Question:	Does this unit have a charge profile controller for lead acid batteries, they prevent over charging & shut down the current as battery approaches 12v
Answer:	It has no controller. But if you charge small batteries, you need a controller. If you charge a large battery, you don't need a controller because its current is relatively small and it won't cause overcharging.

Product features

solar trickle charger

Engineered for Battery Maintenance

The solar battery charger is essential if your vehicles only occasionally used. It prevent battery from being dead when y want to use it.

It's designed to fully charge a battery and maintain it at a proper storage voltage with free energy source the sunlight.

solar 12v battery charger

One-way Quick Connector

The connector is one way to connect and disconnect, no need to recognize positive or negative, simple and easy to use.

The unit is maintenance free and will protect the battery against the discharge process that occurs naturally within a lead acid battery.

Note: In some makes of vehicles, the cigarette lighter may not operate when the ignition is turned off. If so, you can connect directly to the battery using alligator battey clamps and cables.

Outdoor rated

Water proof completely and best and great for outdoor use with Rated at IP65.

Power Generation

High Conversion Efficiency.

Lnstallation Location

Lt needs to be installed outdoors, in direct sunlight, preferably facing the south. The stronger the sun, the better the charging effect!

Back current protection

Prevent the battery from back current drain at night so that ensuring the battery stays fully charged.

Blue LED Indicator

1: The solar charger receives sufficient sunlight and the blue indicator lights up.

2: After the battery is connected, the blue indicator light also lights up.

3: The blue indicator light does not illuminate in the sun, indicating a short circuit and the line needs to be checked.

Plug & Play

Easy to use, each of them is equipped with SAE connector, easy & simply to disconnect and connect.

Tempered Solar Glass

Solar glass has a very high light transmittance, allowing solar cells to absorb more sunlight and generate more electricity. Tempered glass is extremely durable and has a long service life.

Solar Cell

The solar charger is made of high-efficiency monocrystalline silicon solar cell, with high photoelectric conversion efficiency, high reliability, high stability, good electrical conductivity and uniform color.

ECO-WORTHY 12 Volt 10 Watt Solar Car Battery Charger & Maintainer, Solar Panel Trickle Charger, Portable Power Backup Kit with Alligator Clip Adapter for Car, Boat, Automotive, Motorcycle, RV

Based on 3 reviews Check latest price

10W 12V Solar Car Battery Charger is the perfect trickle charger/maintainer for 12V batteries of cars, motorcycles, boats, snowmobiles, tractors etc
Please note that the protective plastic film on the panel surface is supposed to peel off. The cigarette plug option only works if it has constant power when the key is out of the ignition. When you start the car, please remove the solar panel from the car battery
Charging 12V rechargeable batteries in emergency, suitable for vehicles in outdoor work or travel or camping training. Easy to install and completely maintenance-free
Comes with the cigarette lighter adapter, 1 pair of battery clips and 4pcs PVC suckers. Unique design-high quality clips to prevent short circuit
Environmental protection and energy saving, built-in blocking diode to prevent reverse discharge, not only maintains the battery lifetime but also extends its usage life

User questions & answers

Question:	Will this charge two deep cycle battles at the same time
Answer:	I don't know where the 2 other comments came up with one amp output. Minimum is 5.1 amps with mttp controller. Still insufficient to fully charge deep cycle flooded battery with much load.
Question:	Are there any directions with this item? also, do i peel off the plastic coating? it is all bubbly like i should, but i am not sure
Answer:	No, there are not really any directions but it’s pretty simple to use. Yes, peel off the protective plastic layer. I know it looks like it is attached underneath the fabric but it comes pretty easily.
Question:	how long will it take with good sunlight to recharge a dead 12v automotive battery
Answer:	The right answer is: It won't. 5W is the absolute best these cheap panels will output, in reality you will only get about 1W during daylight hours, mostly due to thermal derating. The charge will be so minimal, that battery leakage at night will eliminate any small charge you get during the day.
Question:	Does this have a blocking diode
Answer:	I don't believe this panel has a blocking diode built in as CX wrote in 2018. Can seller confirm whether there is a blocking diode built into the panel? Thanks

Product features

Solar Car Battery Trickle Charger Package Includes:

1* 12V 10W Solar trickle charger with 4.75 ft cord
1 * Alligator clip adapter with 22.8 inch cord
1 * Cigarette lighter adapter with 22.8 inch cord
4 * PVC Suckers

ECO-WORTHY 12 Volts 10 Watts Portable Solar Panel Battery Maintainer

Rated Power: 10W

Voc: 22.41V

Vop: 17.9V

Short circuit current (Isc): 0.61A

Working current (Iop): 0.56A

Output Tolerance: ±3%

Temperature range: -40℃ ~ +80℃

Dimensions:14.37*9.25in (365*235mm)

Weight: 1.46 pounds

Plug&Play SAE connector

Solar Panel SAE connector is plug and play, no need to recognize positive or negative, simple and easy to use.

Note:As this is 10w solar panel main function is maintain battery, not for full charging your battery

Cigarette Lighter

Plug the cigarette lighter to socket when use it to charge or maintain vehicle's battery, really plug and play.

Note:In some makes of vehicles, the cigarette lighter may not operate when the ignition is turned off. If so, you can connect directly to the battery using alligator battery clamps and cables.