 "Panasonic VW-VBT190 Lithium-Ion Battery Pack (Black)"@en-US "Accessories - Page 989 | EISF"@en-US
"This is an authorized aftermarket product. Fits with various Panasonic brand models. It has a oem part # VW-VBT190."@en-US 
 "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." 