Report "Low Battery I purchased a Cobra Micro talk about 6 months ago. Used them a few times and left them in the RV. Recently turned them on and got an expected low battery indication. They would not charge up with the Conra battery charger. I took the rechargable batteries out and charged them correctly in another charger. Put them back it and got the same low level. Bought some newduracell batteries and got the same problem. I thought it might be a problem with one of the units but they are BOTH doing it. Suggestions????"