SPECIFICATION Rated Voltage: 12.8V Rated Capacity: 66Ah Charging Voltage: 14.6V End of Discharging Voltage: 10V Rated Energies: 844Wh Normal Operating Temperatures: Charging: 0-45 degree Celsius; Discharging: -20-55 degree Celsius *Consult factory for operations beyond normal operating temperatures Dimension: 260 x 160 x 180mm (L x W x H) Weight: Max. 13kg Approval: IPX3, RoHS APPLICATION The Standard Battery Packs are specially developed for GREEN ENERGY applications, such as Photovoltaic, Wind, LED lamp, LEVs, and other Energy Storage applications such as UPS, Communications, Domestic Backup Power Systems, and Industrial Drives.