The canon lp e10 is a rechargeable lithium ion battery pack which is compatible with eos 1100d digital slr cameras batteries provide the best power for your digital camerathe batteries for all current eos models make use of lithium ion technology this provides longer battery life and does not suffer from a memory effect they also hold their charge well when not used for long periods of time lithium ion battieres offer one of the best energy to weight ratios of any battery technology currently av