2 Pack of High Capacity Opteka NP-BN1 1000mAh (2000mAh Total) Ultra High Capacity Li-ion Battery Pack With 1 Hour AC/DC Rapid Charger for Sony CyberShot DSC-T99, DSC-TX5, DSC-TX7, DSC-TX9, DSC-W310, DSC-W320, DSC-W330, DSC-W350, DSC-W380, DSC-W390 & DSC-WX5 Digital Cameras 2 Pack - Ultra high power True 1000mAh (2000mAh Total), 1 Hour AC/DC Rapid Charger with European Adapater Extended shots - Up to 25% more then original Memory free for maximum performance Lithium Ion 3.6v (mean) Brand new, 2 Year performance warranty