Pack of 2 D-LI109 Batteries for Pentax K-R, K-S1, K-S2, K-30, K-50, K-70, K-500 Digital SLR Digital Camera D-LI109 DLI109 Li-ion Battery for Pentax K-R, K-S1, K-S2, K-30, K-50, K-70, K-500 Digital SLR Digital Camera Battery Specifications - Energy Storage Capacity: 1200mAh /Voltage: 7.4 volts, Chemistry: Li-ion 100% Memory Free Super Long Time Recording Battery has a one-year warranty Includes Qty 2 D-LI109 Batteries + Micro Fiber Cleaning Cloth