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2 more awaken from the dead today. Couple of the things I noticed today was that 1 of the units the battery actually got flooded. Luckily when they built these the circuit board is pretty safe from water intrusion. On the other, the positive terminal of the battery had just cracked apart. When jumping from battery to board the unit awakened. Unfortunately there isn't enough battery lead to rework it, but the new batteries we're using are bigger and seem to be lasting folks longer anyways.
Mine just died on me. The soft hissing coming from the device indicated battery failure. Upon inspection the battery had expanded, and was wet. It's unclear which caused which, but the resin was obviously cracked. It could be that the battery threw a fit, expanded (seen that happen before with recharchables) then cracked the seal, or the seal crack, shorting the battery and causing the battery to swell. Either way, going so see what I can salvage.
Liberated the old battery, definitely swollen. Looking back, my first failure in 2010 was also a complete failure, and was due to the battery dying due to a faulty charching circuit (according to Uemis at the time). This makes sense, this technology is very sensitive to that. Question is, of course, if this means that a new lipo cell will eventually fry as well.
Also considering using Shoogoo or similar as sealant.
Last edited by ijdod; June 30th, 2012 at 07:39 PM.
HIi Ijdod, I had exacly the same problem with mine, swollen battery. I'm sending it back to uemis for repair. We'll know soon if it's just a battery faillure or if the crack in the seal has damaged anything else.