DigiPower - Rechargeable Lithium-Ion for Canon NB-4L | P.C. Richard & Son
Canon NB-4L Li-Ion Camera for sale online | eBay
Bower ENB-C4L Energizer Digital Replacement Battery NB-4L for Canon IXUS 120 IS, 30, 50, 80 and PowerShot SD1000 and TX1 (Black) - Ace Photo
Canon CB-2LV Battery Charger for NB-4L Batteries.
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,