Wasabi Power Battery for Pentax D-LI8, D-LI85, D-L18 and Pentax Optio A10, A20, A30, A36, A40, E65, L20, S, S4, S4i, S5i, S5n, S5z, S6, S7, SV, SVi, T10, T20, W10, W20, WP, WPi, X Rechargeable lithium-ion battery for Pentax D-LI8 Rated at 3.7V and ultra high 1300mAh for a longer run time than the original battery Compatible with many Pentax Optio cameras (see description) Premium Japanese cells with CE Safety Certification; Can be charged with the original charger Includes battery with 3-year warranty