LI90 2900mAh Li-Ion Rechargeable Battery for Pentax K-5 II, K-5 IIS, K-01, K-7, K-5, K-3, K-S1, K-5 IIs, K-50, 645D DSLR Cameras & eCostConnection Microfiber Cloth 2900mAh Lithium Ion Memory Free Battery Ultra High Capacity Rechargeable Batteries replacement lithium ion Can be charged with an original Pentax D-BC90 charger or any other compatible third-party charger. Best replacement for the following OEM battery part numbers: Pentax D-LI90, DLI90, Pentax D-L190, DL-190, DL190.