10 Best 12v Battery Auto Charger In The Us - Black Friday 2024
12V/24V Car Battery Charger Heavy Duty, 0-20A Automatic Battery Maintainer with Auto Shutoffs, Repair, Winter Mode, High/Low Power Smart Trickle Charger and Desulfator,for Boat,Motorcycle,Lawn Mower
Main highlights- 【Winter/Summer Mode】The battery trickle charger can avoid overcharging the battery in hot summer and charge the battery normally in cold winter. It is your battery guardian! It has multiple protection functions to ensure safe charging！
- 【Upgraded 20A Heavy Duty Battery Charger】Battery Charger is made with copper coil, metal and ABS casing, weighing 11.5 lb. Designed to charge, maintain and repair all 12-volt and 24-volt lead-acid automotive, （12V-20 Amp, 24V-10Amp）marine and deep-cycle batteries including AGM, GEL, EFB, SLA,Flooded(WET), Calcium in cars, truck, SUVs, ATV, motorcycle, snowmobile, lawn mower, boat, tractor, forklift, golf cart, etc. which is much faster than 10A or 6A automatic chargers. NOTE: LITHIUM BATTERY DISABLED.
- 【Multiple Protection & Safe to Use】This portable car battery charger has overcharge protection, over current protection, a built-in cooling fan, overheating protection, reverse polarity protection, short circuit protection, sparks-free contact, etc., ensuring a safe and efficient charging process while extending your vehicle's battery life！Three-year warranty, if you have any use problems, please contact me!
- 【High-Efficiency Pulse Repair Mode】Revive dead batteries! Built-in advanced battery REPAIR mode to help to recover old/idle batteries and extend battery life. If the battery cannot be charged, please use repair mode. The high-frequency and low-frequency pulse technology has good repair and activation effects. The repair mode can revive dead batteries (above 3v) in various vehicles.
- 【High power, faster charging】Battery Maintainer has Fast charge/trickle charge Mode.The battery chargers automobile 12 volt automatically detects 12V and 24V batteries.Choose fast mode for 30-400AH batteries. Choose trickle mode for 6-30AH batteries; AC input: 110V 50/60Hz, input power with load: max 300W, applicable battery's voltage: 12V/24V, output current: max 20A/10A.
- 【Auto shut-off - no waiting around】The auto shut-off mode stops charging when the battery is fully charged, preventing overcharging. The maintain mode uses a pulse current to restore and extend the life of old, drained, stratified and sulfated batteries after they are fully charged.
9.9Exceptional
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Value for Money2
Schumacher Electric35% OffSchumacher Electric Fully Automatic Battery Charger Engine Starter, 6-in-1, SC1308 - 100 Cranking Amps, 6-Volt, 12-Volt, for Motorcycle, Power Sport, Lawn Tractor, Car, SUV, Truck & Marine Batteries
8.9 Durability8.9 safety8.9 FlexibilityWhy we love it
Powerful enough to jump start large vehicles.
Automatically detects and maintains battery charge.
Compatible with multiple battery types.
9.8Exceptional
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3
TowerTopTowerTop 2/10/25 Amp 12V Smart Car Battery Charger, Fully Automatic Battery Maintainer with Engine Start, Auto Desulfator, Battery Repair, Winter Mode, for AGM, STD, Gel, Deep Cycle Batteries
9.5 Light weight9.1 Battery Duration8.9 Simple to useWhy we love it
7 step charging program for optimized battery power
Engine start aid for quick starting
Auto detect systems for easy charging
9.7Exceptional
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4
Schumacher Electric17% OffSchumacher Electric Battery Charger and Maintainer, SC1281, 4-in-1, Fully Automatic, 100 Cranking Amps, 6v and 12v Automotive Batteries - Ideal for Motorcycle, Cars, Trucks, Marine Batteries and More
9.9 Precision9.5 Flexibility9.3 worth the moneyWhy we love it
You can charge lots of different types of batteries with this one device
It has multiple modes for different battery types and sizes
The charger is automatic and also tests the battery and alternator
9.6Exceptional
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5
YONHANYONHAN Battery Charger 0-20A 12V/24V LiFePO4 Lead Acid Fully Automatic Battery Maintainer, Car Battery Trickle Charger Automotive w/Battery Repair, Winter Mode, for AGM, STD, Gel, Deep Cycle Batteries
9.5 Battery Duration9.5 Simple to use9.3 worth the moneyWhy we love it
Recharges dead batteries
Fits many device types
Easy to read LCD screen
9.5Excellent
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6
Schumacher Electric15% OffSchumacher Electric 2-in-1 Jump Starter and Battery Charger, SC1361 - Fully Automatic, 50 Cranking Amps, 12 Volts, for Motorcycle, Power Sport, Lawn Tractor, Car, SUV, Truck, and Marine Batteries
8.9 Cord length8.7 Simple to use8.4 safetyWhy we love it
Reliable power: 50 Amp start 10 Amp quick boost
Smart charging: Microprocessor controlled multi stage
Connect forget: Maintains resumes charging
9.2Excellent
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PCHH22% OffPCHH 12V 24V Car Battery Charger Heavy Duty, 0-15A Automatic Battery Maintainer, Smart Trickle Charger with Auto Shutoffs, Repair, Winter Mode, for Automotive Car Truck Motorcycle RV AGM Deep Cycle
Main highlights- Winter Mode - Designed for all climates, the special winter mode provides a more complete charge to the battery in cold weather, ensuring a stronger engine start. The easy-to-read LCD digital display shows charging percentage, current, and voltage, providing precise and intuitive charging information.
- Two Charging Rates- Fast charge or trickle charge modes. The automotive battery charger automatically detects 12V and 24V batteries, charges and maintains battery with its automatic charging program. Simply connect it and forget about it.
- Stable Power Supply - This charger can also be used as a 12V DC power supply, providing stable power to maintain system voltage for various applications. It is useful for vehicle diagnostics or powering any 12V DC device, such as a tire inflator, oil changer, and more.
- Safety Protections - The 12/24-volt battery charger has a built-in protection system, including reverse polarity, short circuit, overcharge, over-heat, over-voltage, and over-current protection. It keeps your battery always safe during charging process. 3-year warranty for added peace of mind.
- Manual Battery Charger for Electrolysis - The 12-volt battery charger is suitable for electrolysis projects, making it ideal for restoring cast iron and rust removal.
- Heavy Duty Battery Charger - This car battery charger is made with copper coil, metal and ABS casing, weighing 12.2 lb, making it durable and powerful. It is compatible with all types of lead-acid batteries, including AGM, GEL, Wet/Flooded, EFB, Calcium, MF, and deep-cycle batteries.
- Charge Dead Batteries - The repair mode can revive dead batteries (above 3v) in various vehicles such as cars, trucks, motorcycles, boats, marines, RVs, and lawn mowers... It is specifically designed to bring dead batteries back to life, getting your vehicles up and running again.
- Auto Off / Maintain - This charger offers two charging modes. The auto shut-off mode stops charging when the battery is fully charged, preventing overcharging. The maintain mode uses a pulse current to restore and extend the life of old, drained, stratified and sulfated batteries after they are fully charged.
9.1Excellent
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8
NEXPEAK16% OffNEXPEAK NC202 10-Amp Battery Charger, 12V 24V LiFePO4 Lead Acid Portable Car Battery Charger 8-Stage Trickle Charger Smart Battery Maintainer w/Temp Compensation for Car Truck Motorcycle Lawn Mower
Main highlights- 【UPGRADED 8-STAGE CHARGING AND TRICKLE MODE】The first battery charger that adopts 8-stage charging process, much safer and more efficient. Automatically enters trickle/float charging mode after fully charged, keep maintaining your batteries during summer winter and holidays, leave batteries for holiday months and still brand new when you back.
- 【OVERALL CHARGING PROTECTIONS】Smart control, temp compensation in hot climates and under-charging in cold climates, reverse protection, cooling system, overcurrent, fireproof material, overcharge, short circuit. Battery trickle charger with multiple protections ensures the safety charging at anytime anywhere. No worries! 【HIGH-EFFICIENCY PULSE REPAIR】Automatically detects battery sulfation and acid stratification, takes the newest pulse repair function to restore lost battery performance for stronger engine starts and extended battery life. Note: can not activate or charge totally dead batteries.
- 【LiFePO4 LEAD-ACID BATTERY CHARGER】12V 10-Amp and 24V 5-Amp 8-stage quick battery charger, charging speed is much faster than 8-Amp or other automatic chargers. Charge or repair all 12-volt and 24volt LiFePO4 or lead-acid automotive, marine and deep-cycle batteries including AGM, GEL, SLA, Flooded in cars, trucks, SUVs, motorcycles, lawnmowers, boat marine, etc. Perfect household tool and present for daily use! NEW REPLACEMENT AVAILABLE FOR ANY QUALITY ISSUE.
- 【BRIGHTER SCREEN VISUALIZED CHARGING】 Extra large LCD screen not only clear to see under the sunlight but also displays the charging and battery status; charge voltage and current, inside temperature, charge percentage, summer mode, winter mode, etc. The lengthened 10ft charging cable is more convenient to use.
- NOTE: The no-load output voltage of NC202 battery charger will be 17.0- 17.5V while not connecting to the battery or loads (measured from clamps directly with multimeter), it will turn to normal charging voltage after being connected with the battery. Please remove the power plug from the socket when it's not in use for charging.
9.0Excellent
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9
NOCO23% OffNOCO GENIUS2, 2A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries
9.5 Simple to use9.5 Light weight9.3 materials QualityWhy we love it
1. 140 more power: Powerful charging for any battery type.
2. Automatic charging: Worry free 24/7 charging.
3. Compatible: Works with all types of vehicles.
8.7Very Good
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DEWALT28% OffDEWALT DXAEC100 DXAEC100 Professional 30-Amp Battery Charger and 3-Amp Maintainer with 100-Amp Engine Start
8.0 Simple to use8.0 safety8.0 Tech SupportWhy we love it
1. 100amp engine start: fast starts.
2. Compatible with 6v/12v: fits many batteries.
3. Electric pulse technology: improves charge capacity.
8.6Very Good
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