Kastar D-Li109 Battery Replacement for Pentax D-Li109 DLI109 and Pentax K-R K-30 K-50 K-70 K-500 K-S1 K-S2 KP Cameras Kastar Battery Replacement for Pentax D-Li109 Battery Battery Type: Lithium-Ion; Battery Voltage: 7.4V Battery Capacity: 2100mAh Package Includes: 1 Battery Compatible with: Pentax K-R K-30 K-50 K-70 K-500 K-S1 K-S2 KP Cameras