[Full Coded] Kastar LP-E4 Battery (1-Pack) 11.1V 4400mAh 48.4Wh for Canon LP-E4 LPE4 Li-ion Battery work with Canon EOS-1D C, EOS-1D Mark III, EOS-1Ds Mark III, EOS-1D Mark IV Cameras Kastar Battery 100% decoded and 100% Compatible with Canon LP-E4, LPE4 Battery and LC-E4, LCE4 Charger. Kastar Brand Replacement Lithium-ion (Li-ion) Battery use Premium Japanese Cells with no Memory Effect. Long Lasting for longer battery life and Cools the battery by forcing cool air through the battery's built-in air vents. Use Integrated Japanese microchip which can control current, voltage & temperature to maximize battery life. Manufacture Price and Include 30-DAY Money Back and 18-Month Manufacturer Warranty.