Model Li-ion 18650 5600mAh 14.8v Size 18650 Chemistry Lithium Ion(Li-ion) Nominal Voltage 14.8V Cut off Voltage 11.0V Capacitz 5600mAh Weight 900g Dimension 220mm 70mm 40mm Application Stairlift Acorn 180, Acorn 80, Bison 80, Brooks 80 Packing: box inside, Carton outside Certificate CE, ROHS, UL, UN38.3, MSDS