Canon NB-4L (NB4L) Genuine battery 
Battery Type:

Li-ion Long Life Voltage: 3.7v Capacity: 760 mAh

Compatible Models:

IXY 210 IS, IXY 510 IS, Digital IXUS 100 IS, Digital IXUS 110 IS, Digital IXUS 120 IS, Digital IXUS 30, Digital IXUS 40, Digital IXUS 50, Digital IXUS 55, Digital IXUS 60, Digital IXUS 65, Digital IXUS 70, Digital IXUS 75, Digital IXUS 80 IS, Digital IXUS i zoom, Digital IXUS i7 zoom, Digital IXUS Wireless, IXY Digital 10, IXY Digital 20 IS, IXY Digital 40, IXY Digital 50, IXY Digital 55, IXY Digital 60, IXY Digital 70, IXY Digital 80, IXY Digital 90, IXY Digital L3, IXY Digital L4, IXY Digital WIRELESS, PowerShot SD1000, PowerShot SD1100 IS, Powershot SD200, PowerShot SD30, Powershot SD300, PowerShot SD40, PowerShot SD400, PowerShot SD430 WIRELESS, PowerShot SD450, PowerShot SD600, PowerShot SD630, PowerShot SD750, PowerShot SD780 IS, PowerShot SD940 IS, PowerShot SD960 IS, PowerShot TX1