NB-4L 4LH Battery or Charger for Canon PowerShot SD630 SD750 SD780 IS SD1100 IS | eBay
Canon PowerShot SD630 Battery
Canon Knowledge Base - Procedure for charging the battery PowerShot SD600 and SD630.
Kastar 4-Pack Battery and LTD2 USB Charger Replacement for Canon PowerShot SD450, PowerShot SD600, PowerShot SD630, PowerShot SD750, PowerShot SD780 IS, PowerShot SD940 IS, PowerShot SD960 IS Camera - Walmart.com
NB-4L Battery or charger for Canon PowerShot ELPH SD450 SD600 SD630 SD750 SD780 | eBay