Brand NEW non-OEM Lithium-Ion Battery for Sony NP-FT1 NPFT1 DSC-T1 DSC-T11 T3 Brand new non-OEM Battery type: Lithium Ion 3.7v Integrated microchip prevents overcharging & lengthens battery life Can be fully or partially charged/discharged over 1000+ times without loss of capacity. Exceed OEM standards.