Used Canon NB-4L Lithium Ion Battery Pack Genuine 3.7V in 'Good' condition
Amazon.com : Kastar Battery Charger for Canon NB-4L NB4L and Canon PowerShot SD750 SD780 is SD940 is SD960 is SD970 is SD1000 SD1100 is SD1400 is TX1 ELPH 100 HS ELPH 300
Digipower Re-Fuel Rechargeable Lithium-Ion Replacement Battery for Canon NB-4L RF-CN4L - Best Buy
Best Buy: eForCity NB-5L Battery Bundle for CANON PowerShot SD790 SD900 IS 217304
Amazon.com : Kastar Battery (3-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,