SDNPBD1 Lithium-Ion Rechargeable Battery Pack Ultra High Capacity (3.7v 800mAh) Replacement for Sony NP-BD1 & NP-FD1 Batteries - For Sony DSC-T2, DSC-T70, DSC-T77, DSC-T200, DSC-T300, DSC-T500, DSC-T700, DSC-T900, DSC-TX1 Replacement battery for the Sony NP-BD1, Lithium-Ion (Li-ion) 3.7V (800mAh) 100% compatible with your OEM battery - 3 year warranty. Made with high quality Japanese cells. Synergy Digital is a Registered Trademark