Energizer
Bower ENB-C6L Energizer Digital Replacement Battery NB-6L for Canon PowerShot SD4000, D10 and IXUS 85 IS (Black)
$27.99
This high-power 3.7V 600mAh Li-ion battery from Energizer replaces the NB-11L for Canon PowerShot A2400/IXUS 240HS/ELPH 320HS and similar camera models. This rechargeable battery can be charged at any battery level, always allowing a full charge (100% memory-free).