Are you searching for the Best Solar Trickle Chargers?

We have spent close to 27 hours doing our own research and gone through more than 100+ solar lights to find the best of the best solar trickle chargers.

We’ve also gone through a handful of solar industry resources and research papers in order to find out what to look for when it comes to choosing the most reliable and best solar trickle chargers.

It was getting confusing so we even ended up working with a Certified Mechanical Engineer who has been working with one of the most reputed companies in the Solar Energy space. Our team worked with him and one of his friends who is a solar panel technician and altogether we curated a list of following 11 solar trickle chargers.

Top 11 Solar Trickle Charger Reviews

Photo Product Price Buy
ECO-WORTHY 12 Volt...image ECO-WORTHY 12 Volt 5 Watt Solar Trickle Charger for 12V Batteries Portable Power Solar Panel Battery Charger Maintainer for Car Boat Marine Motorcycles Truck $24.50 Read Reviews
Sunway Solar Car...image Sunway Solar Car Battery Trickle Charger & Maintainer 12V Solar Panel Power Battery Charger With Cigarette Lighter Plug Battery Clamp For Car Automotive Motorcycle Boat Marine Snowmobile Watercraft RV $25.99 Read Reviews
SOLPERK Solar Panel...image SOLPERK Solar Panel Kit 20W 12V, Solar Battery Trickle Charger Maintainer + Upgrade Waterproof Controller + Adjustable Mount Bracket for Boat Car RV Motorcycle Marine Automotive $54.99 Read Reviews
Topsolar 10 Watt...image Topsolar 10 Watt 12 Volt Solar Panel Battery Charger, 10W 12V Portable Solar Trickle Battery Maintainer with Cigarette Lighter Plug & Alligator Clip for Car, Boat, Motorcycle, Tractor $34.99 Read Reviews
Upgraded Waterproof 12W...image Upgraded Waterproof 12W Solar Battery Charger & Maintainer Pro - Built-in Intelligent MPPT Charge Controller - 12 Watts Solar Panel Trickle Charging Kit for Car, Marine, Motorcycle, RV, etc $59.95 Read Reviews
Topsolar 20 Watt...image Topsolar 20 Watt 12 Volt Solar Trickle Charger 20W 12V Solar Panel Car Battery Charger Portable Solar Battery Maintainer for Car Motorcycle Boat Marine RV + Cigarette Lighter Plug Alligator Clip $38.99 Read Reviews
POWISER 20W 12V...image POWISER 20W 12V Solar Panel Car Battery Charger Portable Waterproof Power Trickle Battery Charger & Maintainer for Car Boat Automotive RV with Cigarette Lighter Plug & Alligator Clip $38.99 Read Reviews
SUNER POWER 12V...image SUNER POWER 12V Solar Car Battery Charger & Maintainer - Portable 6W Solar Panel Trickle Charging Kit for Automotive, Motorcycle, Boat, Marine, RV, Trailer, Powersports, Snowmobile, etc. $39.95 Read Reviews
ECO-WORTHY 10W 12V...image ECO-WORTHY 10W 12V Portable Solar Panel Battery maintainer & Trickle Charger with Alligator Clips & Cigarette Lighter Adaptor Easy Connection for Car/Boat/Motor/Lawn Mower/RV/Marine $29.50 Read Reviews
SUNSUL 20 Watt...image SUNSUL 20 Watt 12V Solar Panel Kit Battery Maintainer Trickle Charger, with Waterproof 5A 12V/24V PWM Solar Charge Controller and Adjustable Solar Panels Mount Rack Bracket (20 Watt with Accessories) $40.99 Read Reviews

What Factors We Considered For Choosing These Solar Trickle Chargers:

We couldn’t agree on which features to look for when curating this list, so each of us made our own list and combined together so we don’t miss out on anything from that. After combining a mega solar power feature list, our Solar Power Expert came up for the following essential list of features that no one should ignore.

  1. Brightness Of The Light

  2. Durability

  3. Waterproofness

  4. Motion Sensor

  5. Battery Power

  6. Charging Time

  7. Ease Of Use

  8. Ease Of Installation

Best Solar Trickle Chargers – Top 11 Reviews

We had to look at so many factors and a wide range of variations when we were curating a list of best of the best solar trickle chargers. Apart from the usual features, we also considered other important aspects such as price, material, warranty period, feedback from other customers, etc. and came up with the following list. We have spent hours doing research on hundreds of products and have handpicked these solar trickle chargers. It was like going back to the school or university and work on a research paper but we’ve finally done it. We hope you’ll find something from our list you’ll like.

  • [ Feature ] - 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, keep the battery from drain dead .
  • [ Wide Use ] - Perfect trickle charger/maintainer for 12V batteries of cars, motorcycles, boats, snowmobiles, tractors etc. The dimensions is 8.7in x 7.5in
  • [ Warm Tip ] - Please remove the protective plastic film from the right corner of the panel before using it. 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. The suckers help to attach the solar panel on the smooth surface like windshield.
  • [ Suitble For ] - Charging 12V battery in emergency, suitable for the vehicles in outdoor work, travel or camping training, and the vehicles are put for a long time. Easy to install and completely maintenance-free.
  • [ Updates ] - Comes with the cigarette lighter adapter and 1 pair of battery clips. Unique design-high quality clips to prevent short circuits. The panel is well packaged in a firm box, avoiding crashing.
  • [Simple and Very Easy to Use]---The solar battery charger panel mounts easily to the windshield or dash and conveniently plugs into your car's 12 volt cigarette lighter! Suction cup available with the solar charger. { If you need a Quick Connection16feet Extension Cable SAE Connectors with Ring Terminal Adapters for this Sunway solar charger, please search the ASIN:B073158Q24.
  • [Solar Panel Power up to 1.8W]--This trickle charger will NOT overcharge your battery! Keep your 12 Volt batteries topped up with this solar battery maintainer ,which helps to manage battery drain in all seasons. The amorphous solar panel works well even in cloudy days.
  • [Stronger and Durable]-This solar powered battery charger is Covered with ultra clear PV glass which is more efficient, and also with Durable ABS plastic housing which makes this solar panels charger more stronger.
  • [For Any Rechargeable 12Volt Battery]--This solar battery trickle charger is the eco-friendly way to maintain the charge of any car, truck, marine , motorcycles , tractors, ATVs, snowmobiles, boat and personal water crafts or RV 12 volt battery!
  • [Prevent Reverse Charging]-- With build in blocking diode to prevent reverse charging. And with Blinking LED charge indicator when charging. And the solar charger maintainer Includes cigarette lighter adapter and battery alligator terminal clamps.
  • 【Outstanding Quality】 20W/30W solar panel adopts well-built monocrystalline cells with a high conversion efficiency of up to 24%. Using Tempered glass, weatherproof film, and plus aluminum frame for excellent extended outdoor use, which can withstand storms for more than 10 years.
  • 【Waterproof controller】 Improved waterproof case eliminates the problem of controller water failure. Advanced PWM algorithm can fully protect the battery: under/over voltage, output overload, short circuit, and anti-back connect protections. It significantly enhances 20% charging efficiency with no additional self-power consumption.
  • ☞【Easy Installation】Equipped with an adjustable mounting bracket, which can rotate 360 degrees to get the best sunlight reception. Mounting accessories are included for installing solar panels on the ground, wall, and roof, without any extra maintenance.
  • ☞【Wide Application】 It can be used as a solar battery charger and maintainer for different 12V DC batteries, such as Wet, Gel, MF, EFB, and AGM. A variety of scenarios for RV, car, boat, marine, camper, lawnmower, motorcycle, jet ski, water pump, shed, gate opener, etc.
  • ☞【What You Get】 1 solar panel + 1 solar charger regulator controller + 2 alligator clips + 1 SAE extension cable + 1 set of mounting pieces. Extended 12 months warranty and our 7*24h technical service support.
  • 【Light, Simple, Durable】 Lightweight and easy to carry. It weighs only 0.48 pounds and measures 13.39*7.48 inches. Made of waterproof and durable material, the panel is waterproof all over, designed for long-term use.
  • 【Excellent circuit protection】 Excellent safety circuit is built in the junction box, which can not only prevent the battery from overcharging and reverse charging but also protect and prompt the reverse connection of the circuit (when the red light is on).
  • 【Plug & Play】 Heavy-duty 2.1mm x 5.5mm DC plug with an extension cord. The accessories are complete, the installation is convenient, and no professional knowledge is required. There is no need for additional maintenance of the kit, no electricity bills, as long as it faces the sun, the charger will generate electricity to trickle charge the battery.
  • 【Applicable to all rechargeable 12v batteries】 As a solar battery charger and maintainer, it can safely maintain 12v batteries, such as wet batteries, gel batteries, SLA batteries, EFB batteries, AGM batteries and deep cycle batteries, etc., also suitable for Any car, motorcycle, truck, boat, tractor, RV, snowmobile, truck, etc.
  • 【12-months warranty】 The solar panels you buy are of excellent quality, and come with a 12-month free warranty and lifetime technical support. You can contact us for any quality issues within 12 months (Note: Before measure the voltage, you need to activate the product by connecting to the load).
  • [Charge Anywhere] Transfer sunshine into electricity, charge and maintain your 12-volt battery in all seasons. The most advanced MPPT(Maximum Power Point Tracking) chip intelligently manages to charge and fully protect the battery. US PATENT PENDING!
  • [Intelligent Charge & Maintain] Built-in intelligent MPPT charge controller, generates at least 10%-20% more power than traditional controller. Smart 3-stages charging algorithm is improved to better charge and maintain battery in all seasons.
  • [Full Protections] Prevent the battery from overcharge, over-voltage, discharge, and short circuit, reversed polarity protection, waterproof and spark-proof, the battery is fully protected.
  • [Visual Monitor] The colorful LED indicator helps to visually monitor working status of the charging and better understand your battery’s conditions.Charging will be cut off automatically when battery is fully charge, and resumed when battery goes flat, totally free maintenance.
  • [Free Maintenance] Tempered glass and strong ABS frame, well built for years. Come with 3-piece SAE cable kits, plug and play, easy to use. No electricity cost, free maintenance for outdoor usage. Backed by extended 12 months warranty + lifetime technical supports.
  • 【Light, Simple, Durable】 Lightweight and easy to carry. It weighs only 1.04 pounds and measures 14.17 x 13.19 inches. Made of waterproof and durable material, the panel is waterproof all over, designed for long-term use.
  • 【Excellent circuit protection】 Excellent safety circuit is built in the junction box, which can not only prevent the battery from overcharging and reverse charging but also protect and prompt the reverse connection of the circuit (when the red light is on).
  • 【Plug & Play】 Heavy-duty 2.1mm x 5.5mm DC plug with an extension cord. The accessories are complete, the installation is convenient, and no professional knowledge is required. There is no need for additional maintenance of the kit, no electricity bills, as long as it faces the sun, the charger will generate electricity to trickle charge the battery.
  • 【Applicable to all rechargeable 12v batteries】 As a solar battery charger and maintainer, it can safely maintain 12v batteries, such as wet batteries, gel batteries, SLA batteries, EFB batteries, AGM batteries and deep cycle batteries, etc., also suitable for Any car, motorcycle, truck, boat, tractor, RV, snowmobile, truck, etc.
  • 【12-months warranty】 The solar panels you buy are of excellent quality, and come with a 12-month free warranty and lifetime technical support. You can contact us for any quality issues within 12 months (Note: Before measure the voltage, you need to activate the product by connecting to the load).
  • ☀[Charge Visualization]The indicator lights can help you understand the charging status: the blue light is on (put in the sun), the red light is on (charging), and the green light is on (charging is complete).A short circuit occurs and all three indicators are off.
  • ☀[Intelligent Protection] Built-in charging microprocessor, improved charging algorithm, can provide overvoltage protection, overcharge protection, short circuit protection, etc. It can prevent reverse charging and can be safely used for charging and maintenance of 12V batteries.
  • ☀[Higher Conversion Rate]The regular convex points of surface distribution are conducive to the secondary propagation of light, absorb the radiant heat of solar energy to a greater extent, and greatly improve the photoelectric conversion efficiency.
  • ☀[Widely Used] The included 3-piece SAE cable kit is plug-and-play,it can be used for cars and 12V batteries. Comes with carabiner and suction cup to meet your different installation needs. Suitable for automobiles, RVs, motorcycles, ships,snowmobile,etc.
  • ☀[More Durable] The ETFT material can be waterproof and dustproof. A layer of epoxy board is added as a bottom plate, which is more sturdy (the broken panel will cause the charging efficiency to decrease). You can contact us at any time if you have any questions.
  • [Charge Anywhere] The solar charger converts light energy from sun into 12 volt DC electricity and transported to rechargeable batteries. The charger will generate electricity current to trickle charge battery as long as there is sufficient sunlight available. US Patent Pending! Voted "Best Battery Maintainer in 2021" by CNET
  • [Charger & Maintainer] The product is a solar powered battery charger and maintainer, safely charges and maintains Wet, Gel, SLA, AGM and Deep Cycle batteries, etc. Also, perfect for any cars, motorcycle, boat, marine, tractor, RV, Powersports, snowmobile, truck, etc.
  • [Reverse Protection] The solar charger will not damage or over charge your battery, similarly, built-in blocking diode prevents reverse discharge, make sure no drain of your battery.
  • [Durable & Strong] Covered with premium strong solar glass which could stand high loads, as well as durable upgraded ABS frame, well built for years!
  • [Low Maintenance]The kit is really easy to install even for those who have no professional knowledge, plug and play. There is no additional maintenance to the kit, no electricity cost, totally environment friendly! Extended 12 months warranty + Lifetime technical support
  • [Intelligent circuit protection]:Built in smart module to prevent batteries from overcharging and discharging backwards when the solar panel is not working. Leaving the solar trickle charger 7/24h, maintaining the battery and keeping it in safe.
  • [Charging status indication]: An indicator light on the junction box helps you better monitor the charging status: green light on(charging), light flash(full charge), light off(no input).
  • [Durable Frosted Surface]: Frosted Surface can reduce sun reflection, increase panel energy absorption efficient. Also with splash-proof function, extend the service life.
  • [Wide Application]:Lightweight and portable. Compatible with 12V battery of car / boat / motor / mower / truck / marine etc.
  • [Plug and Play]: Easy connection with SAE connectors. 2 charging ways with cigarette lighter or alligator clips, satisfy your various wiring demand.
  • High Efficiency - 20W solar panels made of high-efficiency monocrystalline cells have an effective conversion rate of up to 23%. Using low iron tempered glass, weatherproof EVA film, and high-quality aluminum frame, Windproof and rainproof, it can be used outdoors for more than 10 years.
  • Multiple Scenes - 12 Volt solar panel is an Ideal solar power kit for 12 Volt battery charging system and various 12V DC applications. A variety of scenarios for RV, car, boat, fences, security cameras, greenhouse, camper, lawnmower, motorcycle, jet ski, trailer, camper, home, etc.
  • Easy Installation - Adjustable mounting bracket to adjust the solar panel angle; 180 ° adjustable angle absorbs as much sunshine as possible and generates more power. Easy to install with pre-drilled holes on the back of panels for fast mounting and securing.
  • 12V/24V 5A Charge Controller - Smart 4-Stage PWM charging (Bulk, Boost, Float, and Equalization) increases battery life and improves system performance. Intelligent protection against reverse polarity, overcharging, short-circuit, and reverse current. USB 5V/2A output ports support mobile phones, tablet PCs, or other devices requiring 5V voltage.
  • Perfect After-Sales Service - Each of our solar panels is testing inspected before leaving the factory to ensure flawlessness, and you can rest assured to buy. In case of any damage, you can contact us, and we promise that your problem will be resolved within 24 hours, and we provide 18 months warranty, Lifetime technical support.

So, what do you think? Which one do you think is the best solar trickle chargers?

Please leave a comment and let us know which solar trickle charge did you end up purchasing and what made you choose that particular trickle charger?

Also interested in learning about other types of Solar Powered Products and a wide range of Solar Powered Lights? We’ve got you covered, check out our Home Page for other hand-picked lists of solar-powered lights and you can learn more about our team of solar energy experts and curators on our About Us page.

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