selling New Lithium-iron phosphate battery (LiFEPO4). Capacity 20ach voltage 60v. The battery comes with the BMS board ready-made. Lithium iron phosphate batteries are more frost-resistant than conventional lithium-ion and lithium-polymer batteries. High current output, the ability to quickly charge (up to 2 hours) But without a case. Nominal voltage 64v maximum voltage (charge): 73v minimum voltage: 44v Maximum discharge current: 80A nominal discharge current: 30A Maximum charge current: 10A Nominal charge current: 4A Service life 2200 cycles (until% 20 loss of capacity) or 10-15 years Dimensions: 280 * 170 * 145mm weight: 12kg There is a possibility of individual production, according to your parameters (dimensions, capacity and voltage) It is possible to manufacture batteries for electric vehicles, for solar stations, wind generators, etc. 3 year warranty !!