A:AnswerYes, you can use the TC-U450 to charge the LP-E6. However, you can also get a more specific charger, such as he RF-DSLR-500C, which works specifically to your battery power's needs.
A:AnswerIf your Cellular Device has a removable battery that can fit in this charger with contacts that can be connected to the prongs on the charger then yes, it will charge your cellular battery.