Rack/Tower convertible design Online double conversion with full digital control Wide input voltage range: 110~300Vac Input power factor 0.99 with PFC Selectable output voltage: 208/220/230/240Vac Smart charger design for optimized battery performance Maximum charging current can be expanded to 12A (Long run unit) Emergency power off function (EPO) ECO mode operation for energy saving Generator compatible Hot-Swappable battery design Cold start智能风扇速度调节负载段可设置(可选)多功能LCD人体计算机界面多个通信接口:RS232(USB/EPO/DIRY接触卡/SNMP卡可选)多个保护功能:短路,过载,过载,过重,过热,电池过热,电池超额电荷和过度递减,低电压和范围的Dive