WirthCo 20033 Battery Doctor 12V 2 Amp "Wall Mount 2" Battery Charger with Adapter 12 Volt, 2 amperes Charges and maintains batteries from 5 to 200 ampere hours Maintains batteries up to 400 ampere hours 3 LED displays indicate charge status Suitable for safe charging and maintenance of 12 Volt, wet-cell, lead-acid, fully sealed lead-acid and gel-cell batteries, plus AGM and deep cycle