Cell Standby Battery Drain

Hello,
My phone is stuck at 12% charge while plugged into the USB charger. The needle doesn't move up. I have the latest android update 5.1.1 and Cyanogen 12.1-YOG4PAS1N0. What can I do?

howcan i monitor on wich cell band and frequency my phone is

hi folks,
i am looking for an app that shows in mhz or ghz on which frequency you are hooked to the nearest cell, can t find any.
do you guys know one?
thxx for helping