QIAOJINLIN Backup Battery for Sony Canon LP-E4 EOS-1D C, EOS-1D Mark III, EOS-1Ds Mark III, EOS-1D Mark IV, EOS-1DS Mark IV, EOS-1D Mark4, EOS-1DS Mark4 Digital Camera 1. Battery Type: Rechargeable Li-ion 2. Output Voltage: DC 11.1V 3. Can show battery level in camera's LCD screen as original version. 4. 24-month warranty,tested under strict quality control standards 5. Package includes: 1x Brand New Battery ; 1x User Manual