High power 12.8V 150Ah lithium iron phosphate (LiFePO4) rechargeable battery Size: 4S3P Volts (V): 12.8 Chemistry: LiFePO4 Capacity (mAh): 150Ah Diameter / Width (mm): 406 Height (mm): 240 Length / Breadth / Depth / (mm): 173 Weight (g): 16600