Sometimes the cells just loose performance without showing any obvious signs.
I had a couple of PolyQuest packs that were 4500mah 4s 30C that just slowly faded to nothing. Even tho they balanced near perfect, thay had lost capacity and power without puffing.
Storing them for 2 years at 3.8 certainly didn't help, kinda surprised they worked as well as they did for you.
Quote:
Originally Posted by candy76man
Do you think after cycling them a few times they might start coming back to life and hold a charge longer or are lipos done for once they get like that?
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Wouldn't hurt to try but don't hold your breath.