Canon NB-4L
$29.95 to $42.99
at 4 stores
Battery Charger For Canon SD600 SD780 SD1000 SD...
$6.99 from eForCity
Canon NB-4L CB-2LV CB-2LVE Equivalent Digital C...
$19.00 from eBuyBatteries.com
High Capacity Battery For CANON PowerShot TX1 L...
$15.05 from MegaCapacity