Kastar Charger + 2 Battery for Canon NB-4L NB4L and PowerShot SD300 SD400 SD450 TX1 SD750 SD1000 Cameras Battery Capacity: 1500mAh; Battery Type: Lithium-Ion 3.7V This Kastar battery charger with foldable flat pin for easy storage Charger Input: AC 100~240V 50~60 Hz; Charger Output: DC 4.2V 0.6A Smart charging LED indicator: Green light is for standby; Red is for charging Package Includes: 2 Battery and 1 Charger Kit