SmartCharge 10A is a powerful charger and is ideal for maintenance charging for batteries in cars, motorcycles and boats. Designed to make charging simple and safe for everyone. Automatically adapts to your battery Will not overcharge your Built-in power supply mode Battery capacity 30 - 250Ah For all types of lead-acid, AGM and GEL batteries, open and closed What's in the box DEFA Smartcharge Charger 10A