Battery + Charger for Sony CyberShot Camera DSC-T20 BG1 NP-BG1 + car plug Battery Capacity : 3.1 Wh Battery Type : Lithium-Ion - Battery Voltage : 3.7 V Charger Input Voltage : Ac 100-240V 50-60 Hz - Charger Output Voltage : Dc 4.2V Or 8.4V 0.6A This Product Has 12 Months Replacement Warranty Package Includes :1 Battery + 1 Charger + Car Plug