Top 15 Best Car Battery Charger: Which one is for you?

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.

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.

Starts Most Dead Auto Batteries - GOOLOO GP2000 12V portable car jump starter battery pack is powerful enough to start vehicles (up to 9.0L gas engine / 7.0L diesel engine) quickly and easily, with heavy-duty jumper clamps (included). It can even work in extreme climates -4~140℉. Start your expedition without problems.

Portable Power Supply – More than a car battery charger, the GOOLOO GP2000 car jump starter battery pack includes three USB Ports (15W TYPE-C, USB 5V/9V/12V Quick Charge, USB 5V / 2.4A ). Provide portable electronic devices with additional charging convenience.

Ergonomic Design with Multi-Features – GOOLOO GP2000 portable car jump starter battery pack is lightweight, easy to carry, and includes an integrated LED super bright work light with three lighting modes (flashlight, SOS, strobe), providing maximum convenience and flexibility. A flashlight is always needed when you have a flat tire, camping, or need to find something in the dark. The GOOLOO GP2000 is more than just a jump starter.

Safe and Secure – SUPERSAFE is a safety protection technology by GOOLOO, which automatically detects reverse polarity to ensure a precise connection before providing power to most automotive batteries or electrical devices. You can rest assured to use the GOOLOO GP2000 car battery jump starter power pack.

Affordable and Powerful - Get an all-in-one car starter, power bank, LED flashlight at an affordable price.

In The Box - GOOLOO GP2000 Portable Car Jump Starter Battery Pack, Smart Jumper Cable, Wall Charger, USB to Type-C Cable, Storage Case, User Manual, Cigarette Lighter Adapter.

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.

Charge and Maintain 6 and 12 Volt Batteries

2/10/20 Amp charge rates for added versatility

Fully automatic operation

Advanced multi-phase charging process

Power supply mode provides stable power to maintain system voltage for use in a wide variety of applications

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.

Meet the 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.

VERSATILE COMPATIBILITY: Charges compatible battery types, including standard, AGM, gel, and deep-cycle batteries

MULTIPLE MODES: Features 30 Amp quick boost and 100 Amp jumpstart, powerful enough to start SUVs, trucks, and large batteries

FULLY AUTOMATIC: Microprocessor-controlled system automatically adjusts amperage; includes LED indicator lights

EASE OF USE: Battery and alternator tester provides charge level and helps diagnose electrical problems automatically; multi-stage charging and auto-voltage detection. Battery Type: Standard, AGM, Gel, Deep-Cycle

SAFE AND RELIABLE: Reverse hook-up protection ensures charger will not operate if clamps are reversed

RELIABLE POWER: Delivers 15 Amp rapid charge and 3 Amp maintain to automotive and marine batteries; compatible with standard, AGM, gel, and deep-cycle batteries

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

DIGITAL DISPLAY: LED display, indicator lights, and simple button controls for ease of use

VOLTAGE DETECTION: Automatically detects 6V or 12V batteries

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

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.

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.

🚗▶Fast Smart Battery Charger◀: Quickly charging all types of 12V lead acid batteries, including GEL, AGM and STD. It's the best smart charger for christmas gifts, automotive, motorcycle, marine, RV, Powersport, lawn&garden, children toys, etc.

🚗▶Start Aid Button◀: Energy saving design for activating battery whose capacity is not enough to start engine within one 120 second cycle

🚗▶Advanced Reconditioning Mode◀: Use our advanced Reconditioning Mode to reverse the damaging effects when batteries are left uncharged for extended periods to improve battery performance and longevity. (Do not charge a frozen or dead battery!)

🚗▶Smart Detect System◀: Automatically detect the battery voltage and capacity, and select the charge rate best fit for your type of battery. Automatic charge cycle functionality switches to float mode after fully charging the battery

🚗▶Advanced & Safety Protection◀: LCD helps keep driver informed of chargers operation. Certified by UL. No worry about battery over voltage, over heat, overtime charging and reverse polarity. 18-Month Hassle-Free Warranty, 24-hour friendly customer service and 100% customer satisfaction will be provided by contacting our professional customer service team

【THE LATEST INTELLIGENT CPU CONTROL】Portable battery charger/maintainer automatically adjusts the charge current and maintainability according to the temperature. Automatic detection of ambient temperature, so that winter can be full speed, summer is not overload.optimized for any climate, easy to deal with a variety of harsh voltage environments.

【HIGHLY COMPATIBLE】Suitable for both 12V and 24V batteries, making it easier to use.It works with Calcium, AGM, EFB, MF, FLOODED, VRLA, SLA and Wet batteries, meaning that it can be used for the batteries in Car, Truck, Motorcycle, RV, SUV, ATV, golf cart, tricycles, agricultural vehicles, bus, etc. ➤NOTE: LITHIUM BATTERY DISABLED.

【PULSE REPAIR FUNCTION】Intelligent control system, strong pulse repair technology, remove vulcanization, repair slightly damaged batteries, reduce water loss, Provides stronger engine starts and extended battery life. ➤NOTE: It can not activate a dead battery or repair a battery which is damaged seriously; it also can not repair a battery back to 100% new.

【MULTIPLE PROTECTION & SAFETY OF USE】This Automatic Smart Battery Charger owns safety technology including built in circuit protection, spark free system, reverse polarity protection, over-charge, over-voltage and over-temperature protection, stable performance for longer life.

【FULLY AUTOMATIC CHARGER WITH LCD SCREEN DISPLAY】Battery chargers Just plug and leave it for charging and maintaining your batteries automatically for long time, with intelligent digital LCD displays charging status and battery status, charge voltage, charge current, inside temperature, summer mode, winter mode, etc.

Charges standard, AGM and Gel and deep-cycle batteries

50A boost mode quickly brings deeply discharged battery back to life

6V/12V 250A Voltage

Digital display, LED indicators and push-button controls

Microprocessor controlled to automatically adjusts amperage rate, to charge and maintain

12-foot reach, 6-gauge output cables

Heavy-duty 300A color-coded clamps

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 safety