Features: Using the technology of lithium iron phosphate cell, superior safety,thousands of cycles, 100%DOD, under normal conditions. Built-in BMS protection for over-charge, over discharge, over current and over temperature. LCD screen display showing the battery remaining Free of maintenance Internal cell balancing. Lighter weight: About 40% ~50% of the weight of a comparable lead acid battery. Can be charged using most standard lead-acid charges (set). Wider temperature range:-20°C~60°C. Support for Series application expansion (up to 51.2V) and two in parallels. Specifications: Life Cycles: 2000 with 100% DOD, 3500 with 80% DOD, and 6500 with 50% DOD Power Capacity: 768Wh Nominal Voltage: 12.8V Nominal Capacity: 60Ah@0.2C Max. Charging Voltage: 14.0-14.6V Charging Current: 30A Max. Charging Current: 60A Discharging Current: 30A Max. Continuous Current: 60A Charge Temperature: 0°C-45°C Discharge Temperature: -20°C to 60°C Water Dust Resistance: IP55 Dimension: L223x W150x H178mm Weight: 6.8kg Terminal: M6