Energizer ENB-C6L Digital Replacement Battery NB-6L for Canon PowerShot SD4000, D10 and IXUS 85 IS (Black) Replaces the Canon NB-6L Li-ion Battery Battery Specs: 7.4V 750mAh Compatible with Canon PowerShot SD4000 /D10/IXUS 85 IS and similar camera models Can be used with original lithium-ion battery charger This Li-ion battery is 100% memory-free and will not suffer from the inconvenient memory effects that are typically associated with similar battery types.