 "Canon LP-E4N Battery Pack"@en Pack (5751B002)"@en
 "Canon LP-E4N - camera battery Li-Ion" " Canon Li-Ion 5751B002 Digital Camera Batteries CDW.com
"The LP-E4N battery pack is a rechargeable Lithium-ion battery. The battery pack also communicates with these cameras so that you can check the remaining charge, shutter count, and recharge performance in the camera's power source info screen." 