BM Premium 2-Pack of BP-1900 Battery and Battery Charger for Samsung NX1 Digital Camera BP1900 Li-ion Rechargeable Battery for Samsung NX1 Digital SLR Digital Camera Battery Specifications - Energy Storage Capacity: 1860mAh /Voltage: 7.4 volts /Wh: 13.8 Wh, Chemistry: Li-ion 100% Memory Free Super Long Time Recording battery has a one-year warranty Includes Qty 2 BP1900 Battery + Rapid AC/DC Battery Charger + Micro Fiber Cleaning Cloth