Standard: National Standard Rated voltage (V): 12 Rated capacity (Ah): 20 Battery size (mm): 180*78*170 Reference Weight (kg): 6.95 Outer case size (cm): 36.6*24*19.9 Packing Number (pcs): 6 20ft container loading (pcs): Terminal direction: – + OEM Service: supported Origin: Fujian, China.