All in One - Fully Automatic 6 Amp 12 Volt Smart Car Battery Charger, it's smaller but packs more power. It's the complete solution: battery charger, battery maintainer, trickle charger, and battery desulfator. Charge or repair all automotive, marine, and other batteries. 12V deep cycle lead-acid battery, including AGM, GEL, SLA, and AAA batteries. Liquid electrolyte in cars, trucks, SUVs, motorcycles, lawn mowers, boats, ships, etc. LITHIUM BATTERIES ARE NOT ALLOWED Repair Your Battery - The built-in battery REPAIR mode allows you to restore your battery. and advanced mode allows you to restore old or inactive batteries and extend their life. If the car battery charger cannot charge the battery, please use the repair mode. The high and low frequency pulse technology has good repair and activation effects. Note: A discharged battery cannot be activated, nor can a damaged battery be repaired. Enjoy precise charging - Thanks to a backlit LCD screen, the car battery charger clearly