Progo Rechargeable Battery Pack for Sony NP-BX1, Cyber-shot DSC-RX1 DSC-RX1R DSC-RX100 DSC-RX100 II DSC-HX300 DSC-WX300 DSC-HX300 DSC-HX50V HDR-AS10 HDR-AS15 HDR-GW66 Progo Brand Replacement Battery, 100% Compatible with original manufacturer equipments, guaranteed! Integrated microchip prevents overcharging, overheat & provide short circuit protection. High quality Li-Ion battery cell. 3.6v/3.7v, 1240 mAh Capacity Absolutely no memory effect so that you can charge battery at anytime 12 months warranty