Battery problems - Not fully charging and fast draining

I have a Problem with my unit and couldn’t find a solution that works for me in the forum:

My PPM never charges to 100% (98% at max.) Within the first 5 minutes after i unplug the charger the Battery goes down to 90% and keeps dropping very fast!! (brightness mode: “normal” , no apps opened, just showing the home screen! so actually not much energy should be needed) …

P.S: I have already tried the battery-calibration mentioned in he forum (drain battery, wait over night, charge full plus a couple more hours etc. ) … I have the latest Software-Update installed!

What is the solution to this Problem? Do I need a replacement unit? And would it even be better with a new one?

Please help

A post was merged into an existing topic: Battery draining so fast.