I had to quit using NiMh in my GPS units because they self discharge too
rapidly... WIth the NiMh I was having to recharge the batteries every
couple of weeks...Went back to NiCd and am happier, however when the current
set of NiCd's goes I am going back to alkaline... The GPS units run off ship
power excpet for maybe 30 seconds when I shut down after a flight, from the
time I snap the master off to the time I turn the two GPS off.. The AA
batteries are there for back up if I lose both generators and the airplane
battery...

Denny
"Casey Wilson" wrote in message
...
So what's the battery solution here?