NOFX Posted March 6, 2018 Share Posted March 6, 2018 I found a 5000mah 2s Lipo in the outside storage bunker today. The voltage was at 3.2 . I thought "Sod it. I'll try to save it" So I plugged it in with the balance & charge leads. The low voltage beeper started screaming . So I plugged it in without the balance lead & charged it like a nimh at 4 amps. That took it above the low voltage cut off. Then charged it as normal . It's worked . That's saved me about 30 quid. Quote Link to comment Share on other sites More sharing options...
capri-boy Posted March 6, 2018 Share Posted March 6, 2018 So it was at ~1.6v a cell. And if the information is correct has permanently changed the chemistry of the cells, now making them much more likely to swell / catch fire. 1 Quote Link to comment Share on other sites More sharing options...
NOFX Posted March 6, 2018 Author Share Posted March 6, 2018 It ain't puffed at all. Still totally solid. Do you think it could go off whilst being used in the truck? It's stabilised at 8.4v. Quote Link to comment Share on other sites More sharing options...
stretch Posted March 6, 2018 Share Posted March 6, 2018 Lipos aren't expensive so not worth the risk of it going up in your truck or the house 1 Quote Link to comment Share on other sites More sharing options...
capri-boy Posted March 6, 2018 Share Posted March 6, 2018 15 minutes ago, NOFX said: It ain't puffed at all. Still totally solid. Do you think it could go off whilst being used in the truck? It's stabilised at 8.4v. That's the risk now, or go off on it's own in storage / on charge. Useable 5A 2S pack is £20 ish. Not worth risking your RC or worse imo. 1 Quote Link to comment Share on other sites More sharing options...
NOFX Posted March 6, 2018 Author Share Posted March 6, 2018 Cheers guys. I'll put it outside & get some cash together for another couple from hobbyking. I've got a 3s that's in good health. But it does something wierd to the esc . It's a 4s compatible esc so I'm baffled Quote Link to comment Share on other sites More sharing options...
NOFX Posted March 6, 2018 Author Share Posted March 6, 2018 It's up the end of the garden in the fire patch in a bag now. It'd lost over 3 volts just sat on the worktop. Oh well. I'll try anything once, twice if I like it . My birfday's coming up. I'll ask for battery money Quote Link to comment Share on other sites More sharing options...
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