Amazon.com : Kastar Compatible Battery 1 Pack and Charger Replacement for Canon PowerShot SD300 SD450 and Canon NB-4L NB4L : Digital Camera Battery Chargers : Electronics
Canon NB-4L Lithium-Ion Battery Pack (3.7v 760mAh) – Pro Camera Hawaii
Canon NB-4L Battery (2-Pack) and Charger by Wasabi Power
Cb-2lv Battery Charger for the Canon Nb-4l Li-ion Battery and Canon PowerShot SD40, SD30, SD200, SD300, SD400, SD430, SD450, SD600, SD630, SD750, SD780 IS, SD940 IS, SD960 IS, SD1000, SD1100 IS, SD110
Canon nb4l NB-4L Battery for Canon PowerShot Elph Cameras 9