Nextop-Pentax D-LI78 Brand New 900mAh COMPATIBLE Battery + Compatible Wall & Car Charger (FREE European Adaptor) for Pentax Optio M50, Pentax Optio M60,Pentax Optio V20,Pentax Optio W60 Brand New High Capacity Rechargable Battery No memory loss effect Integrated microchip prevents overcharging & lengthens battery life premium Japanese cell for top performance