The AccuMate Battery Charger works for both 6 volt or 12 volt batteries with the flick of a switch. This very simple-to-use charger has an LED status indicator for power on, charging, voltage selection, and inverse polarity connection. Great for use with all rechargeable, lead-acid, deep cycle and starter batteries. Ideal for use with batteries used on seasonal vehicles, boats, motorcycles etc. Comes complete with 15' long input/output leads, detachable battery clamp and fused weatherproof eyelet connection set for direct connection to the battery.