Amazon.com : Kastar Battery (2-Pack) and Charger Kit for Canon NB-4L, CB-2LV work with Canon PowerShot SD40, SD30, SD200, SD300, SD400, SD430, SD450, SD600, SD630, SD750, SD780 IS, SD940 IS, SD960 IS,
Nb-4l Battery Pack For Canon Vixia Mini And Legria Mini Hd Camcorder - Digital Batteries - AliExpress
Power2000 ACD-243 Rechargeable Battery for Canon NB-4L - New York Camera And Video