The Best Car Battery Charger of 2023

Start Dead Batteries - Safely jump start a dead battery in seconds with this compact, yet powerful, 1000-amp portable lithium car battery jump starter pack - up to 20 jump starts on a single charge - and rated for gasoline engines up to 6 liters and diesel engines up to 3 liters.

UltraSafe - Safe and easy to use car battery jump starter pack without the worry of incorrect connections or sparks. Safely connect to any 12-volt automotive car battery with our mistake-proof design featuring spark-proof technology and reverse polarity protection.

Multi-Function - It's a car jump starter, portable power bank, and LED flashlight. Recharge smartphones, tablets, and other USB devices. It's easily rechargeable from any powered USB port in 3 hours at 2.1-amps. Plus, an integrated 100-lumen LED flashlight with seven light modes, including emergency strobe and SOS.

Advanced Design - Our most advanced portable car battery jump starter ever. Featuring high-discharge lithium technology for safe operation in any climate. A rugged and water-resistant enclosure rated at IP65. A rubberized over-molded casing to prevent scratching or marring of surfaces. And an ultra-compact and lightweight design weighing just 2.4 pounds.

In The Box - GB40 UltraSafe Portable Lithium Car Battery Jump Starter Pack, Heavy-Duty Battery Clamps, 12-Volt Car Charger, Micro USB Charging Cable, Microfiber Storage Bag, User Guide, 1-Year Warranty, and Designed in the USA.

POWERFUL & COMPACT: Jump start your vehicle (up to 7.2L gas or 5.5L diesel engine) up to 20 times with 800 amps of peak current and heavy-duty clamps and cables. Compact enough to store in your glovebox.

SMART CHARGING PORT: With 18000mAh capacity and smart USB port, it can fully charge your laptops (include 8 in 1 laptop adapters in the package), smartphones, tablets, and other devices at the fastest speed possible.

PROTECTION: The high quality and spray gold intelligent jumper clamps have over current protection, short circuit protection, overload protection, over-voltage protection, over-charge protection.

LCD SCREEN & COMPASS : The new-added LCD screen can exactly show the remaining power. The compass can help you find your way home when get lost in the wild.

OVER 10 MILLION UNITS SOLD: DBPOWER has over 7 years of experience in this field, we provide a safe and reliable products, 12 months of hassle-free warranty, and lifetime technical support. Contact us anytime with any questions. The package includes one Jump Starter, one intelligent jumper clamps, 12V wall charger, 12V car charger, user guide, jump starter carry case, and user manual.

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.

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.

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.

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

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.

Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.

1,700 Peak Amps; 425 Cranking Amps

22Ah Clore PROFORMER Battery

46" Heavy-Duty #2 AWG Cables

Voltmeter provides charge status of onboard battery.The ideal storage environment is room temperature, or 68ºF

DC outlet to power 12 volt accessories; DC input to recharge internal battery

Built-in Automatic 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, 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.

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.

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.

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

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.

Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.

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 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.

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.

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.

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

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.

Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.

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.

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.

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.

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

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.

Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.

Fast, Smart Battery Charger: The Battery Charger can charge all types of 12V Lead-acid Batteries, including GEL, AGM and STD. It is perfect for charging Automotive, Motorcycle, Marine, RV, PowerSport, Lawn & Garden, etc. Do not charge a frozen or dead battery that has gone below 3V.

7-Step Charging Program: Desulphation, Soft Start, Bulk Charge, Absorption, Battery Test, Recondition and Floating. This allows for optimization of battery power, without overcharging or damaging.

Advanced Start Aid: Engine Start Aid feature can help start your vehicle in about 120 seconds.

Auto Detect Systems: Features Battery Voltage detection, then automatically selects charge rate for charging and maintaining. Battery reconditioning feature helps extend battery life. LCD screen displays charging status and battery status with easy to understand icons.

Safety Protection: Battery Charger has Over Voltage, Over Heat, Overtime Charging, Short Circuit, and Reverse Polarity Protection to ensure users safety.

RELIABLE POWER: Delivers 3 Amps to charge and maintain your car, boat, or power sport batteries; compatible with standard, AGM, deep-cycle batteries and Lithium ion (LiFePO4)

SMART CHARGING: Microprocessor-controlled automatic amperage rate adjustment and multi-stage charging for added precision, safety, and battery life

FLOAT MODE: Float-mode monitoring automatically maintains optimum battery charge

HOOK ATTACHMENT: Includes hook attachment for hanging wherever you keep your tools

SAFE & RELIABLE: Reverse hook-up protection prevents the charger from operating if the clamps are reversed

[COMPATIBILITY]- Works with all types of 6V and 12V lead-acid batteries, such as Wet(Flooded), Gel, MF(Maintenance-Free), CA(Calcium), EFB(Enhanced Flooded Battery), AGM(Absorption Glass Mat) ;charging battery capacities from 2 to 230 Amp-Hours and maintaining all battery sizes

[INTELLIGENT LCD SCREEN]-LCD screen clearly and visibly displays charging modes including Cold mode/3.6A charge mode/7.2A charge mode/repair mode/6V battery mode/13.6V,7.2A supply mode,failure display,voltage or failure code display,battery capacity display and battery type

[MULTI-PROTECTION]-POTEK battery charger offers safety features including Over Voltage Protechtion,Over Current Protection,Short Circuit Protection,Over Temperature Protection,Reverse Polarity Protection,Over charging Protection and Spark Free

[11-STAGE SMART CHARGING&12V Repair]-11-stages automatic charging process [ Diagnosis -Pre-charge -Desulfation -CC1 -Soft Start -CC2 -CV -Analyse -Repaire -Float -Maintance] Maintenance and Recovery.Perfect for battery unused for a long time or damaged,stratified or sulfated batteries

[WIDELY APPLICATION]-Best choice for cars, small trucks, motorbike, lawn mowers, boat, electric vehicles, snowmobile, pickup trucks, yachts, motorboat,etc