Feature●Battery Type: Lithium ion battery●Specifications: Capacity: 1,050 mAh / 7.8 Wh●K-BC109J D-LI109 battery charger (sold separately)●Compatible models: PENTAX KP, K-70, K-S2, K-S1, K-50, K-3 AppliancesDescription K-BC109J D-LI109 battery charger (sold separately)