Replacement battery fits 34 Pentax compatible models. Specifications: 800mAh, 3.7V, Li-ion. Compatible with: Ricoh WG-M2, Ricoh WG-M1, Jupio CFU0011, OptioS12, OptioS10, OptioA36 and 28 more compatible models. Replaces: Pentax D-LI68, Fujifilm NP-50, Fujifilm NP-50A. Pentax replacement battery designed for Digital Camera devices. Engineered for consistent power output across many charge cycles.