OEM LG 3000mAh Extended Battery w/ Battery Cover for LG Spectrum VS920 OEM LG 3000mAh Extended Battery w/ Battery Cover for LG Spectrum VS920 Lithium-ion technology; 3000mAh capacity Includes extended-size battery cover door (replaces original battery door) OEM LG battery ensures your cell phone works at optimum performance and reliability Compatible with LG Spectrum VS920