Premium Replacement NP-BG1 Equivalent Lithium-Ion Battery For SONY Digtial Camera DSC-H9, DSC-H7, DSC-H3, DSC-H50, DSC-W30, DSC-W35, DSC-W50, DSC-W55, DSC-W70, DSC-W80, DSC-W90, DSC-W100, DSC-W200, DSC-N1, DSC-N2, DSC-T50, DSC-T20 Brand new non-OEM Battery type: Lithium-Ion. No memory loss effect. Integrated microchip prevents overcharging & lengthens battery life Compatible with Sony InfoLithium NP-BG1