Ipax Replacement NP-E3 NPE3 Digital Camera Battery Package Includes 1 batery, 1 Extra Slim Battery Carrying Case Replacement Rechargeable Ni-Mh 12V 18Wh IPAX Battery with Premium Fresh Cells for NP-E3 7084A001 7084A002 Compatible with; Canon EOS 1D, Canon EOS 1D Mark II, Canon EOS 1D Mark II N, Canon EOS 1DS, Canon EOS 1DS Mark-II Mark2 30 Days Moey Back Guarantee , 1 Year Replacement Warranty