Note 4 Battery Issue

Hello, all!

I'm not sure if this has been discussed before (apologies in advance if it has been so), but I've had some atypical behavious with my Note 4 battery. (On both Lollipop and Marshmallow) the battery just seems to suddenly drain at an alarming rate regardless of usage or running apps and starts to kinds lag and hang up. But after a full recharge (including leaving it on charge for quite sometime after 100%) it seems ok-ish, though I feel it still drains more.

Happened 6 months ago...

Note 4 Battery Issue

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