long story short:

Recently, I crashed an ultra stick. The plane was rebuilt, but the battery took a big hit in the crash--the shrink wrap was knocked off of it. However, it wasn't dented, and the connections were still all solid. So, I ran it through my triton about ten cycles--everytime it came back to 1100 mah, give or take. Seemed ok. I flew with it and it flew just fine, and took a charge from my field charger--this was about three or four weeks ago. Weather has been bad, and I was getting ready to go back out today, so I hooked it up to the quick field charger to top it off.

The charger went nuts. Would flash 80%, then back to 40%, then up to 80%, then stop flashing all together--like it wasn't charging anymore. I hooked the charger to another battery, and it charged ok, so the charger is fine. I checked the batter in question with my ESV, under 300 mA load. It read fully charged. I hooked the charger back up to it--same thing.

Needless to say, I'm trading the battery out in the plane right now--before I fly it. And, I'm starting the questionable battery back on the cycler again. However, maybe I don't know how to use the triton.

Here is my real question: When I use the cycler--any cycler, not just the triton--what do I look for if there is a dead cell? I thought that if I was getting full Ah rating on each cycle, then that meant the battery was fine. Is this true, or not?

Also, do you think I should just file the battery and get a new one? I'm definitely not flying with it again until I get it figured out. Right now I'm putting in a wimpy old 600 mAh battery I have laying around. I guess I'll just check it after each flight! I know the 600 mAh battery is good, it just won't last as long as the 1100 I pulled out of it :-(

OK, thanks for the input!