EOS 80D: Canon Battery Communication Error

[Dudu]

Hey Everyone,I really need help, I have a Canon 80D and I did not use it for 2 months and when I placed the battery 

it says that the battery is a not a canons its a battery communication error, when I press no its not a counterfeiting the camera shut off what should I do 

[p4pictures]

Is the battery a genuine Canon battery? 

You camera was supplied with the LP-E6N battery, but can use the older LP-E6 model. More recently Canon has updated the battery to the LP-E6NH and the newest version is the LP-E6P. It is possible that the LP-E6P is not able to work with your camera, other R-series cameras needed a firmware update to support the LP-E6P and no such update was released for the EOS 80D. 

If your battery is not a genuine Canon battery then you should get a Canon battery. 

See the note here about counterfeit batteries 

https://www.usa.canon.com/about-us/to-our-customers/notice-counterfeit-litionbp-miscpage