Xantrex 807-2055 Freedom HFS 2055 Inverter/Charger; 2000 watts continuous AC power; Powerful fast charging 55 amp, 12 Vdc multi-stage charger; 2X continuous power surge for demanding loads Cold temperature performance down to - 20C for the harsh winter environments Configurable Ignition control that helps to minimize battery drain, Dead battery charging down to 0 Vdc Quick connect AC terminal block for fast and reliable installation, Detachable remote panel for convenient system status monitoring Programmable Smart Battery Management logic to facilitate extended battery use & life Quality, reliability and safety that meets stringent CSA and UL458 with marine supplement standard