Made with premium lithium-ion cell, and tested for high performance and safety, this LP-E4 replacement battery pack is 100% compatible with

Canon EOS 1D MARK III and 1Ds MARK III Cameras.

It can be charged with an original Canon charger or any other compatible third-party charger.
        
    
Features:

    - 11.1V, 2500mAh
    - 100% Compatible with original manufacturer equipments and chargers
    - Premium Li-Ion Cell Made In Japan
    - Absolutely no memory effect so that you can charge battery at anytime
    - Low impedance battery design