Home / Automotive / HAUSPROFI 20A Smart Car Battery Charger 12V/24V, Adjustable Current (1A-20A) Automotive Battery Maintainer & Trickle Charger with Pulse Repair, Desulfator for AGM, LiFePO4, Deep Cycle, Boat, RV - 0V A

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HAUSPROFI 20A Smart Car Battery Charger 12V/24V, Adjustable Current (1A-20A) Automotive Battery Maintainer & Trickle Charger with Pulse Repair, Desulfator for AGM, LiFePO4, Deep Cycle, Boat, RV - 0V A

-14% $ 31 .99 $36.99

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Description

【TRUE 20A RAPID CHARGE WITH 1A-20A CONTROL】Stop waiting days for large batteries to charge. Unlike standard chargers with fixed output, our smart current selection lets you manually adjust charging speed from 1A to 20A via a simple button press. Dial down to 2A for a gentle trickle charge on a motorcycle, or crank it up to 20A for a lightning-fast boost on a truck or RV. This "Pro-Level" control prevents overheating small batteries while delivering maximum power to large ones (up to 300Ah).

【REVIVE "DEAD" BATTERIES FROM 0.3V】Don't replace your battery yet. While ordinary chargers reject batteries below 8V, our advanced 0.3V Low Voltage Activation technology can force-start charging on deeply discharged batteries. The intelligent 9-Stage Pulse Repair Mode automatically detects sulfation and acid stratification, restoring lost battery performance and extending lifespan. It saves you the cost of buying a new battery.

【ONE CHARGER FOR ALL: LiFePO4 & LEAD-ACID】Eliminate the clutter of multiple devices. This smart charger automatically detects 12V and 24V systems and is engineered for all battery types: AGM, GEL, SLA, Flooded, Calcium, and Deep Cycle. Crucially, it features a dedicated Lithium (LiFePO4) mode that charges safely without damaging sensitive BMS systems. Perfect for your car, boat, lawn mower, tractor, and solar battery bank.

【SMART TEMP COMPENSATION & WINTER MODE】Plug it in and forget it. The built-in thermal sensor detects ambient temperature (-4°F to 113°F) and automatically alters the voltage. It boosts the charge in cold winter weather to ensure a full start and lowers it in summer heat to prevent overcharging. The Memory Function remembers your last setting, so if the power goes out, it resumes charging automatically when power returns.

【HEAVY-DUTY BUILD & EXTRA LONG REACH】Frustrated by short cables? We solved it. With a combined cable length of nearly 8ft (150cm AC + 90cm DC), you can easily reach batteries in tall trucks or deep engine bays without dangerous extension cords. Housed in a flame-retardant ABS shell with a built-in cooling fan, it runs cool and safe. Features 8-point protection against reverse polarity, sparks, and short circuits.

【NOT A JUMP STARTER】Please note: This is a plug-in smart battery charger and maintainer. It DOES NOT have a built-in battery and MUST BE plugged into an AC wall outlet to operate. It cannot be used as a portable jump starter for emergencies on the road.

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PZ.P 15-Amp 12V/24V Smart Battery Charger, Maintainer & Trickle Charger for LiFePO4, Lead Acid Batteries - Fully Automatic 9-Stage Charging w/Temp Compensation for Motorcycle Car Truck Lawnmower Boat

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$19 .99 $49.99

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GPED Automatic Battery Charger, 12V/6Amp Battery Maintainer, Smart Car Trickle Charger with Temperature Compensation Auto Stop for Car Truck Motorcycle Lawn Mower Boat Marine Batteries

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Car Battery Charger, 10Amp 12V 24V Automatic Smart Charger, Battery Maintainer Trickle Charger and Battery Desulfator W/ Temperature Compensation for Car Truck Motorcycle Lawn Mower Lead Acid Battery

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NEXPEAK 10-Amp Car Battery Charger, 12V and 24V Smart Fully Automatic Maintainer Trickle Charger w/Temperature Compensation for Truck Motorcycle Lawn Mower Boat Marine Lead Acid Batteries

-33%

$23 .99 $35.99

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GPED Battery Charger 10-Amp 12V/24V Fully-Automatic Smart Car Battery Charger, Battery Maintainer Trickle Charger, Battery Charger with Temperature Compensation for Truck Motorcycle Lawn Mower Boat

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$26 .99 $39.99

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NEXPEAK 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

-33%

$39 .99 $59.99

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$45 .99 $66.99

Amazon

HULKMAN Sigma Guard Series – 1A 6V/12V Smart Battery Charger & Maintainer, Automatic Trickle Charger with Intelligent Charging and Desulfation for Cars, Motorcycles & ATVs

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$28 .99 $39.99

Amazon

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$42 .99 $59.99

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KONNWEI 12V/24V Battery Charger,Smart Trickle Charger Maintainer LiFePO4 | 5A/10A Car Battery Charger for LiFePO4 Lead Acid AGM GEL,Battery Desulfator with Pulse Repair for Cars RVs Boats Lawn Mower

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$29 .99 $39.99

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$39 .51 $52.99

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AeternaSol 15A Smart Battery Charger, 12V/24V Fully Automatic Trickle Charger & Maintainer, Automotive Batteries Charger with Temperature Compensation for Cars, Trucks, Motorcycles, Lawn Mowers, Boat

-13%

$25 .99 $29.79

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$18 .76 $21.64

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Outerman Car Battery Charger 12V 24V Lithium Battery Charger, Auto Battery Charger Maintainer for Car Boat Motorcycle Lawn Mower Lead Acid Battery or Lithium Battery Capacity: 6AH~105AH

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$31 .99 $35.99

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$49 .39 $54.99

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-25%

$60 .39 $79.99

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Amazon

Battery Charger for Car 20A 12V/24V LiFePO4 Trickle Charger Maintainer | Car battery charger Lead Acid Compatible with Temperature Compensation for Car Truck Motorcycle Lawn Mower Boat

-17%

$49 .99 $59.99

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Smart Car Battery Charger: 10A Battery Chargers 6V/12V Boat Battery Chargers with Auto Repair, Desulfator, Maintainer, Winter Mode, Suitable for AGM, Lithium (LiFePO4), Deep-Cycle Batteries

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$69 .99 $79.99

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12V 20A Lithium Battery Charger, 14.6V LiFePO4 Battery Charger with Premium Aluminum Housing - 0V Activation for Golf Cart, RV, Marine, Boat, Trolling Motor - Includes Anderson Connector

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$54 .59 $60.99

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-7%

$49 .39 $52.99

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$703 .99 $799.99

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$79 .99 $89.99

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$13 .98 $24.98

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$14 .98 $26.99

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12V 10A Lithium Battery Charger VATRER POWER 14.6V LiFePO4 Battery Charger | 0V Activation, Multiple Protection, LED Indicator & Anderson Connector for 12V LiFePO4 Batteries in Home, RV, Off-Grid

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29.2V 20A Lithium Battery Charger, LiFePO4 Battery Charger AC-DC Smart Charger with Anderson Connector LED Indicator Special for 24V/25.6V Deep Cycle Rechargeable Batteries of Car, Truck, Boat, RV

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$69 .00 $79.00

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NOONE 10A/20A Smart Battery Charger - 12V/24V Fully Automatic Maintainer | with 50A Engine Start, Winter Mode, and Auto Repair - Car Trickle Charger for AGM, Gel, Deep Cycle & LiFePO4 Batteries

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VEVOR Smart Battery Charger 20A 6V 12V 24V for Lithium LiFePO4 Lead-Acid | Compatible with Car Lawn Mower ATV Compact RV, Trickle Charging Maintainer Desulfator, Charger with 3.8 Inch LCD Display

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PZ.P 15-Amp 12V/24V Smart Battery Charger, Maintainer & Trickle Charger for LiFePO4, Lead Acid Batteries - Fully Automatic 9-Stage Charging w/Temp Compensation for Motorcycle Car Truck Lawnmower Boat

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$17 .98 $28.00

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$26 .99 $39.99

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$29 .99 $39.99

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