The Hahnel HLX-E8N Extreme is a generic spare or replacement Canon LP-E8 battery. The battery pack features a higher capacity of 1200mAh, 7.2V, 8.6Wh and better durability than the standard 1120mAh 8.1Wh Canon LP-E8.Better durability is thanks to high quality Li-ion cells,high energy density ratio, excellent voltage stability, and 3m drop proof shock absorption.