I am trying out a Unity XG-100 and after several hours of use, I had placed the radio in the charger. The battery light indicated first started with steady yellow (rapid charger) and about 10 seconds later, the light changed red (system fault). About 7 hours later, I looked at the charger and the indication light was still red. I took the radio out of the charger and powered it on, and the battery indicated was showing 1 bar of power left. So no charge to the battery occurred, as it had one battery bar left when I placed it in the charger. I swapped out battery and same thing happened with the other new battery. Started with rapid charger for a few seconds, then goes to system fault. Has any else experienced this issue before. I am guessing the charger must be bad. Thanks.