How To replace Panasonic Beard Trimmer Battery ER224

The Panasonic ER224 Trimmer is fantastic all in one unit BUT the battery only lasts about 2 to 3 years. Rendering the unit only usable plugged into the wall BUT even that will only work for an extra 2 years. Once the internal battery burns out, it shorts the unit and the motor will no longer spin fast enough for proper use. I show you how to tear unit apart to replace the battery.