How to replace battery pack on KUPA MANIPro Mini Passport Nail Drill

This video will show you how to fix your drill if it only run while it plugged in. How to replace or change battery for KUPA MANIPro inside the control box. Drill only runs while plugged in. Drill does not run when unplug. Drill does not run on battery. KUPA MANIPro nail drill battery replacement. Nail drill only run a short time. Nail drill doesn't works.