I have had similar experiences with NiMH batts. After several meltdowns I now use a temperature probe when charging them. I have also gone back to NiCads. Regis --- In [EMAIL PROTECTED], [EMAIL PROTECTED] wrote: > > I am writing this post to see if anyone else out there is having battery > problems out there. > > I am not trying to start a flame war or to discuss the high internal > resistance of AA NiMtl batteries or 4 cell vs 5 cell in sailplanes. > > I think I am more concerned about old fashion quality control. > > About this time last year I purchased 36 - Sanyo 2700's. AA size. I > purchased them mostly for my digital cameras (it used four at a time) and to make a > couple packs for my sailplanes. > > I made a five cell pack for my Pike Perfect on 72 mhz. Several months later > I crashed at Visalia, from total loss of control. I took a lot of heat > because I was defending the JR 790 scan select receivers which was also flying > in the Pike Perfect. Well I sold the crashed plane to Tor who did a very good > job rebuilding it. Tor's second flight resulted in a loss of control and > another crash. > > he gave me the battery to test and the test results really sucked. At 1/10t > h C the batteries took a full charge. Anything more than that and they would > only take about 800mah. The real down side was that the 5 cell pack fully > discharged over night. > > While all this is going on, I still had 5 sets of 4 batteries for my digital > camera. That way I would always have a fresh set of batteries. Every time > I picked up a pack I charged just a couple of days ago, the camera would take > a couple of pictures and the red battery dead symbol would pop up. These > batteries, just 6 to 7 months old were self discharging in less than a couple > of days. > > I use a Schulze isl 8-936g for my planes and several other charges for my > cameras. I got so bad that I wound up throwing out the Sanyo 2700's and > replacing them with intllect 2000's (4/5th A) or Sanyo Enlopes or other slow > discharge ni-mtl batteries. So far so good. > > I tried using the enloops in my wireless mouse (I had given up on > rechargeable batteries in this use because they would only last a couple of days). > they worked great. Several months at a time before recharge. About the same > amount of time I was getting with alkaline. > > Suddenly, a fresh set of Enloops died in the wireless mouse. One cell > started the charger and the cell took a full charge. The other cell would not > start the charger (I don't think the charger recognized a cell at all.) It > would only take 600 mah before the charger would kick off. > > I really like the way the enloops hold their charge. They really do what > they claim. But this failure less than two months after purchase has me a > little worried. some research on line seems to indicate that there might be a > quality control problem coming out of China in general, and not related to any > particular brand. > > Is anyone else out there having problems with the newer, high capacity ni > mtl cells with quick (over night) self discharge or a cell simply stop working? > > > It has been interesting. > > Sherman Knight > > > > > > **************Get fantasy football with free live scoring. Sign up for > FanHouse Fantasy Football today. > (http://www.fanhouse.com/fantasyaffair?ncid=aolspr00050000000020) >
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