The Best 12 Volt Battery Charger of 2023

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

RELIABLE POWER: 40 Amp quick boost mode and 200 Amp engine start for cars, trucks, SUVs, marine vehicles, and RVs; compatible with standard and AGM batteries

AUTO AMP ADJUST: Microprocessor-controlled to automatically adjust the amperage rate to charge and maintain

BUILT-IN TESTER: Battery and alternator tester provides charge level and helps diagnose electrical problems; auto voltage detection feature identifies 6V or 12V batteries

FLOAT MODE: Float mode monitoring automatically maintains optimum battery charge

SAFE AND RELIABLE: Reverse hook-up protection helps prevent damage to battery

【10-AMP QUICK CHARGER】12V 10-Amp and 24V 5-Amp 7-stage quick battery charger, charging speed is much faster than 8-Amp or 5-Amp automatic chargers. Charge or repair all 12-volt and 24volt lead-acid automotive, marine and deep-cycle batteries including AGM, GEL, SLA, Flooded in cars, trucks, SUVs, motorcycles, lawn mowers, boats marine, etc.

【8 CHARGING PROTECTION】Smart control, temp compensation in hot climates and under-charging in cold climates, reverse protection, cooling system, overcurrent, fireproof material, overvoltage, short circuit. Trickle charger with multiple protection ensure the safety charging at anytime anywhere. No worries!

【HIGH-EFFICIENCY PULSE REPAIR】Automatically detects battery sulfation and acid stratification, take newest pulse repair function to restore lost battery performance for stronger engine starts and extended battery life. Note: can not activate or charging totally dead batteries.

【VISUALIZED CHARGING】 Large LCD display the charging and battery status; charge voltage and current, inside temperature, charge percentage, summer mode, winter mode, etc. More convenient to use.

【PLUG AND PLAY】 no complicated steps, just plug and charge, stay at home and charge your batteries on your own. All-in-one battery solution as battery charger, battery maintainer, trickle charger, plus battery desulfator. The must-have tool for your garage

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.

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.

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

🚗▶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

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