Pentax D-LI90E Rechargeable Lithium-Ion Battery for 645, K-1II, K-1, K-3II, K-3, K-7, K-5, K-5II & K-5IIs DSLR's Battery for Pentax K-7 SLR Battery for Pentax K-5 SLR Battery for Pentax K-5II SLR Battery for Pentax K-5IIs SLR Battery for Pentax K-3 SLR