ProMariner 02012 True Power 2000PS Inverter/Charger - 2,000 Watt True Sine Wave Inverter with 12 Volt, 70 Amp Battery Charger Fully Automatic Battery Charger and Inverter Pure Sine Wave AC output 2.8x Surge Rating with 1.0 Power Factor 7 Selectable 3-Stage Battery Charge Profiles Instant AC transfer switch