Tripp Lite 1250W RV Inverter / Charger 12VDC 120VAC with Built in Isobar - 12V DC, 110V AC - 12V DC - , 120V AC - Continuous Power:1250W"

3 stage, 14/55 amp selectable wet/dry cell battery charger Built-in Isobar premium AC surge protection and Auto Transfer Switching option for battery backup / UPS operation 12V DC or 120V AC input; 120V AC output (hardwired) 1250 watts continuous and 2500 watts DoubleBoost inverter output High reliability large-transformer design with protected DC and AC wiring terminals Tested to power inverter standards UL458 (USA) and CSA (Canada)