Best Trickle Charger for Car Battery – Top 8 of 2021

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We looked at hundreds reviews, and put together a list of the top sellers. Check out the top Trickle Charger for Car Battery below.


SaleNo. 1
NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, Trickle Charger, and...
6 Reviews
NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, Trickle Charger, and...
  • 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...
  • Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM,...
  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in...
  • 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...
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger...
SaleNo. 2
NOCO GENIUS5, 5-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, Trickle Charger, and...
29 Reviews
NOCO GENIUS5, 5-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, Trickle Charger, and...
  • 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...
  • Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM,...
  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in...
  • 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...
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger...
SaleNo. 3
NOCO GENIUS2, 2-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, Trickle Charger, and...
18 Reviews
NOCO GENIUS2, 2-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, Trickle Charger, and...
  • 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...
  • Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM,...
  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in...
  • 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...
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger...
SaleNo. 4
NOCO GENIUS10, 10-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, Trickle Charger,...
5 Reviews
NOCO GENIUS10, 10-Amp Fully-Automatic Smart Charger, 6V and 12V Battery Charger, Battery Maintainer, Trickle Charger,...
  • 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,...
  • Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM,...
  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in...
  • 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...
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger...
SaleNo. 5
BLACK+DECKER BM3B Fully Automatic 6V/12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals
3,891 Reviews
BLACK+DECKER BM3B Fully Automatic 6V/12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals
  • 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
  • Stops charging automatically when battery is fully charged or topped off, switching to float mode monitoring
  • Built-in circuit protection guards against overcharging, reverse polarity, or short circuit; ETL certified for performance and safety
  • Mounting bracket built-in to charger for convenient placement
SaleNo. 6
Battery Tender Junior 12V Charger and Maintainer: Automatic 12V Powersports Battery Charger and Maintainer for...
11,683 Reviews
Battery Tender Junior 12V Charger and Maintainer: Automatic 12V Powersports Battery Charger and Maintainer for...
  • STAY CHARGED: Provides a full charge to your machine’s battery before switching to float mode to maintain proper voltage levels for safe,...
  • EASY TO USE: Low maintenance design to be quick and easy to use, our universal powersport vehicle charger and maintainer is compact and...
  • EXTENDED BATTERY LIFE: Compatible with lead-acid, flooded, and sealed maintenance free batteries (AGM and gel cell) to be ideal for use in...
  • 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,...
  • SAFE AND SECURE: Our 12v battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to...
SaleNo. 7
BLACK+DECKER BC15BD Fully Automatic 15 Amp 12V Bench Battery Charger/Maintainer with 40A Engine Start, Alternator Check,...
1,150 Reviews
BLACK+DECKER BC15BD Fully Automatic 15 Amp 12V Bench Battery Charger/Maintainer with 40A Engine Start, Alternator Check,...
  • 15 amp bench battery charger maintains and charges any AGM, GEL, or WET automotive or marine 12V battery
  • Fully automatic high frequency charging delivers 3 stage charging, automatically switching from fast charge, to top-off, to trickle charge
  • Battery reconditioning feature helps extend battery life; 40 amp engine start helps start your vehicle in about 90 seconds
  • Equipped with reverse polarity protection; LCD screen displays charging status and battery status with easy to understand icons
  • Features a patented alternator check which indicates if the alternator is maintaining battery level; ETL Certified for performance and...
SaleNo. 8
Battery Tender 4 AMP Car Battery Charger and Maintainer: Switchable 6V / 12V, Automotive Battery Charger and Maintainer...
136 Reviews
Battery Tender 4 AMP Car Battery Charger and Maintainer: Switchable 6V / 12V, Automotive Battery Charger and Maintainer...
  • STAY CHARGED: The 4 amp car battery charger automotive provides a full charge to your machine's battery before automatically switching to...
  • FULLY SELECTABLE: With the push of a button, easily switch from AGM or flooded and lithium ion (LiFePO4) batteries to provide and maintain...
  • HIGH POWERED: 4 amp switchable car battery charger automotive delivers a powerful charge to keep your car, SUV, pickup truck, or boat...
  • EASY TO USE: A low maintenance design that's quick and simple to use, our switchable automobile charger and maintainer is compact and...
  • SAFE AND SECURE: Our car battery charger automotive and maintainer is spark-proof during lead connection and automatically detects reverse...