BM Premium 2 Pack of EN-EL22, Batteries for Nikon 1 J4, 1 S2, Digital Camera ENEL22 EN-EL22 Li-ion Rechargeable Battery for Nikon 1 J4 1 S2 Digital Camera Battery Specifications - Energy Storage Capacity: 1200 mAh /Voltage: 7.2 volts /WH: 8.6Wh, Chemistry: Li-ion 100% Memory Free Super Long Time Recording Battery has a one-year warranty Includes QTY 2 ENEL22 Batteries + Micro Fiber Cleaning Cloth