Kastar Compatible Battery 1 Pack and Charger Replacement for Canon PowerShot SD300 SD450 and Canon NB-4L NB4L Battery Type: Lithium-Ion; Battery Voltage: 3.7V; Battery Capacity: 1500mAh 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: 1 Battery and 1 Charger Kit Compatible with the original battery and charger