Nelson Cummings Posted May 27, 2022 Share Posted May 27, 2022 Any hope for getting a not charged for 2 + years euc (older inmotion ) Thanks in advance Quote Link to comment Share on other sites More sharing options...
Nelson Cummings Posted May 27, 2022 Author Share Posted May 27, 2022 Just now, Nelson Cummings said: Any hope for getting a not charged for 2 + years euc (older inmotion ) Thanks in advance OOps wont take a charge . any hope to get it going again ? Quote Link to comment Share on other sites More sharing options...
mhpr262 Posted May 27, 2022 Share Posted May 27, 2022 Had the same issue with one of those generic 16s1p battery wheels - interestingly only four batteries that were right next to each other on the board were dead, all others still worked. It is worth checking out which cells in your pack are dead, maybe you can just replace those. Quote Link to comment Share on other sites More sharing options...
duanew Posted May 27, 2022 Share Posted May 27, 2022 1 hour ago, mhpr262 said: Had the same issue with one of those generic 16s1p battery wheels - interestingly only four batteries that were right next to each other on the board were dead, all others still worked. It is worth checking out which cells in your pack are dead, maybe you can just replace those. This is usually not a good idea. If cells die in a pack, the others are not far behind. Quote Link to comment Share on other sites More sharing options...
Tawpie Posted May 27, 2022 Share Posted May 27, 2022 8 hours ago, Nelson Cummings said: Any hope for getting a not charged for 2 + years euc (older inmotion ) Thanks in advance There is hope, but it'll require someone that a) knows what they're doing and b) has a place to work that is suitable for the potential "what could go wrong" event. Even if successful, I most certainly would store the wheel in a fire-safe place until you can replace the packs... You'll for sure have to disconnect the pack from its BMS and try to 'awaken' any individual cells that have dropped below their low voltage internal cutoff. This requires disassembly of the pack, and 'unwelding' the individual cells. It's possible to do this, but generally not worth it because the cells are suspect from then on. They may have sustained damage due to how the chemistry behaves when undercharged and that makes them susceptible to fire later on. Quote Link to comment Share on other sites More sharing options...
alcatraz Posted May 29, 2022 Share Posted May 29, 2022 The first step is to open and measure the pack. The second step is to do something to fix it If your low cells are salvageable (easy - not without risk) then you won't need to replace anything (difficult - riskier). Quote Link to comment Share on other sites More sharing options...
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