Charging Current: 25 Amperes for 6 Volt and 12 Volt batteries; 12.5 Amperes for 24 Volt batteries. Capacity Range: 6 Volt and 12 Volt up to 1,000 Ampere-Hours; 24 Volt up to 500 Ampere-Hours. Battery chemistry coverage includes lead-acid and lithium batteries in AGM, CA, EFB, Gel, Lithium, MF, and Wet types.