Best 12v Battery Trickle Chargers In August 2025

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Looking for some of the Best 12v Battery Trickle Chargers? As you may know, there are dozens of similar products out there and some come with vastly different price tags. Let us help you out here – we have handpicked for you the Best 12v Battery Trickle Chargers.

To help you in your search, we have completed this list of the Best 12v Battery Trickle Chargers.

Top Rated Best 12v Battery Trickle Chargers Of 2025

Rank	Product Name	Score
1	NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer Buy Now	9.7 Buy Now
2	LST Trickle Battery Charger Automatic Maintainer 6V 12V Smart Float Charger for Automotive Buy Now	9.5 Buy Now
3	Battery Tender Junior Charger and Maintainer: Automatic 12V Powersports Battery Charger and Maintainer Buy Now	9.1 Buy Now
4	LST 12V Battery Trickle Charger Maintainer Portable Smart Float Charger for Car Motorcycle Buy Now	8.8 Buy Now
5	BLACK+DECKER BM3B Fully Automatic 6V/12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals Buy Now	8.6 Buy Now
6	SUNAPEX 12V Solar trickle Charger,Battery Charger,Battery maintainer Portable Power Solar Panel Suitable Buy Now	8.3 Buy Now
7	MOOLSUN 12 Volt 12v Solar Battery Charger, 10W Solar Car Battery Charger, Solar Buy Now	8.1 Buy Now
8	MOTOPOWER MP00205A 12V 800mA Fully Automatic Battery Charger/Maintainer - Rescue and Recover Batteries Buy Now	7.8 Buy Now
9	BMK 12V 5A Smart Battery Charger Portable Battery Maintainer with Detachable Alligator Rings Buy Now	7.5 Buy Now
10	Noco Genius2 2A Battery Charger Buy Now	7.2 Buy Now

1. NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer

• 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.
• 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.
• Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
• 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.
• 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.

2. LST Trickle Battery Charger Automatic Maintainer 6V 12V Smart Float Charger for Automotive

• safety guarantee - multi protection against reverse polarity, short circuit, over voltage/current, over charge/discharge, overload, overheat, spark proof during lead connection, water and dust resistant float battery charger, full-loaded and burn-in test proves its stable performance and high reliability.
• batteryandvehicletype -chargefullydrained6v&12vpb/sla/gel/agm/lead-acidbatteries, it's automatic battery trickle chargers for automotive, motorcycles, automobile, riding lawnmowers,lawn tractor, atvs, rvs, watercraft, powersport, scooter,snowmobiles, cars, camper, trolling motor, boats, etc
• intuitive led indicator - lst 6/12 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 motorcycle charger everywhere.
• 5-stage automatic charging - featured detachable ring or alligator connectors with 10a fuse, charge and maintain your battery wherever you go, 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.
• 100% satisfactory float charger - updated with defective battery recognition function and 72-hour safety features, just get portable 6v 12v trickle charger for car batteries with confidence, lst smart battery charger offer 3-year quality assurance & 12-month refund & timely 24/7 after-sale services.

3. Battery Tender Junior Charger and Maintainer: Automatic 12V Powersports Battery Charger and

• Stay charged: provides a full charge to your machines battery before switching to float mode to maintain proper voltage levels for safe, long term storage without overcharging. spark proof during lead connection, reverse polarity protected and includes a 12-foot output cord and 5-year warranty
• Extended battery life: compatible with lead-acid, flooded, and sealed maintenance free batteries (agm and gel cell) to be ideal for use in long term storage. complete 4-step charging program (initialization, bulk charge, float mode) allows for optimization of battery power, without overcharging
• Easy to use: low maintenance design to be quick and easy to use, our universal powersport vehicle charger and maintainer is compact and lightweight. perfect for charging all 12-volt lead-acid, flooded or sealed maintenance free batteries (agm and gel cell) and safety timer-80 hours
• Monitor power levels: solid state two-color led light indicates the state of the charge and if the battery voltage drops too far under load, ism adaptive charging will resume full charger output power. automatic charge cycle functionality switches to float mode after fully charging the battery
• Safe and secure: our battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct. solid state two color led indicates stage of charger and if the battery voltage drops too far under load, full charger output power resumes

4. LST 12V Battery Trickle Charger Maintainer Portable Smart Float Charger for Car Motorcycle

• 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.
• 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 exte...
• 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.
• 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.
• 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.

5. BLACK+DECKER BM3B Fully Automatic 6V/12V Battery Charger/Maintainer with Cable Clamps and O-Ring

• Stops charging automatically when battery is fully charged or topped off, switching to float mode monitoring
• Mounting bracket built-in to charger for convenient placement
• Ac low voltage compensation ensures maximum performance when used with an extension cord
• Charges and maintains 12 volt and 6 volt agm, gel and wet batteries
• Easy connection to vehicle battery using battery clips and o-ring terminals
• Built-in circuit protection guards against overcharging, reverse polarity, or short circuit, etl certified for performance and safety

6. SUNAPEX 12V Solar trickle Charger,Battery Charger,Battery maintainer Portable Power Solar Panel

• Easy to maintainweatherproof solar battery charge, it uses high-strength solar energy glass which has strong light transmission and can resist hail, rain and snow, and is easy to clean.
• Charging in any weathersolar panel battery charger, it uses amorphous film technology and it can charge batteries under various weather conditions with a wide range of applications.
• More durableall the interfaces of the product are plug and play, which makes it easy to connect. the shell is made of abs engineering plastics. it is durable and has mounting holes on the side for easy installation and fixing. extended 12 months warranty + lifetime technical support.
• Charger and maintenance devicethis product is a solar battery maintainer and tickle charger, which can charge all kinds of 12v batteries. in addition, it is suitable for all kinds of automobiles, motorcycles, ships, agricultural vehicles, snowmobiles, beach cars, trucks and so on.
• Charging indicationthe product has built-in indicator lights, which will turn on when solar panels generate electricity. at the same time, a reverse diode is built in to prevent the battery from discharging back to the board at night.

7. MOOLSUN 12 Volt 12v Solar Battery Charger, 10W Solar Car Battery Charger, Solar

• Enverionment friendly:save energy,make good use of unlimited sunshine anywhere,best power resolution for all kinds of batteries in remote area for motorcycles, automobiles, snowmobiles, tractors etc,
• Perfect accessories:2 x suction cups,1 x crocodile clip cale,1 x cigarette lighter plug,instruction manual,18 - months warranty.
• High efficiency and portable:the solar panel is 10w output,the size is 15.59*6.97*0.19inch and weight is only 0.86lbs. the solar panel voltage is 18v,with reverse diode protection.so it is simple and safe to use.
• Ultra portable and comfortable: the solar panel is with pet laminated and pvc fabric,ultra light,easy to take anywhere,
• Waterproof advantage and anti discharge:scratchproof surface,waterproof function(some rain or water drop ok,not completely waterproof),

8. MOTOPOWER MP00205A 12V 800mA Fully Automatic Battery Charger/Maintainer - Rescue and Recover

• Compact, smart & durable - it can charge all types of 12v lead-acid batteries, including flooded or sealed maintenance free batteries (agm & gel cell). it's the best smart charger for automotive, motorcycle, marine, rv, powersport, lawn&garden, children toys, etc.
• Two-year warranty & etl safety certified - energy saving design with one led indicator to display different charging status. certified by ce, rohs, ul and cec. conform to the cec (california energy commission) standard - bc mark. two year warranty and 100% satisfaction service - hassle-free return or refund for any product quality issue. 100% satisfaction service ...
• Fully automatic - no need of any manual operation, just plug and leave it for charging and maintaining your batteries automatically for long time. the microprocessor controlled program will monitor the whole charging progress and automatically stop when the battery is fully charged. then it will monitor the battery voltage and maintain the battery with a float char...
• Multi-level safety protection & battery rescue - micro-processor controlled program. no worry about overcharge, short circuit and reverse polarity. spark-free technology applied. featured constant pulse current maintenance function helps the battery avoid excessive charge and discharge. it will extend the battery life and recover batteries more effectively.
• Sae quick release adapters - with sae quick release connection options: ring terminals (7.5amp fused for safety protection) or alligator clips. with the ring terminal harness connecting with the battery permanently, it's so easy to connect the charger by the sae adapters when needed. fuse protection will avoid danger of short circuit or overload.

9. BMK 12V 5A Smart Battery Charger Portable Battery Maintainer with Detachable Alligator Rings

• 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 ...
• Qualiry ensurance & in time servicebmk 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 t...
• Upgraded 72-hour safety features/multi safety protections - battery rescue & recoverupdated with 72 hours safety feature to commence anytime the charger is onto protect marginal batteries from over charging. made of high quality abs, ip65 waterproof, multi-protects of short circuit/ ov/ oc/ overload/ polarity reverse, featured with constant pulse current maintenance f...
• Upgraded with 10a fuse onto ring connectors & multi-purposes deep cycle battery chargerpb/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 i...
• Upgraded defective battery detect/fast charging car battery boosterupdated with battery condition diagnose to detect the defective battery before charge. dc output 13.8v/5a, ac input 100-240v, 1.5a 60/50hz, 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 th...

10. Noco Genius2 2A Battery Charger

• 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.
• 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.
• 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.
• Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
• Meet the genius2 - similar to our g1100, just better. it's 30% smaller and delivers 140% 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.