NB-4L NB4L Battery Pack for Canon SD450 SD600 SD750 SD1000 IXUS 30 40 55 65 70 75 Battery type: Li-ion; Capacity: 1000mAh Voltage: 3.7V(compatible with 3.6V) Compatible with Canon: Canon NB-4L NB4L SD1400 SD1000 SD1100 IS SD630 SD450 SD600 SD750 IXUS 30 40 55 65 70 75 Dimension: 40.40 x 35.40 x 5.90mm 1 Year Warranty Package Includes: 1 x Battery