Tripp lites apsint3636vr 3 function dc to ac inverter with auto line to battery transfer and integrated charging system serves as an extended run line interactive ups or a standalone power source supplies up to 3600 watts of continuous 230v ac power from a 36 volt dc source when hardwire input ac cable is energized regulated commercial power passes through to connected equipment and the battery set is recharged via 3 stage 30 amp charging system built in voltage regulation adjusts brownou