richardr33 Posted June 2, 2019 Share Posted June 2, 2019 Hi guys, can someone help me, me and my boys want to get the buggy’s out but I don’t know if are Lipos are ok, they have not been used for about a year, they are 2s 3s and 4s lipos, will they be ok to charge and use on are buggy’s, mine is capable of running 6s the other can run on 4s and the last can run on 3s. Can someone give me some advise and how and what to do. Thanks Quote Link to comment Share on other sites More sharing options...
Kpowell911 Posted June 2, 2019 Share Posted June 2, 2019 What voltages are they at? Quote Link to comment Share on other sites More sharing options...
Tug Posted June 3, 2019 Share Posted June 3, 2019 Did you storage charge them? Quote Link to comment Share on other sites More sharing options...
Bajadre Posted June 3, 2019 Share Posted June 3, 2019 fully charged they should read 2s 8.4v 3s 12.6v 4s 16.8v check packs for any puffed cells if not should be good to go buddy Quote Link to comment Share on other sites More sharing options...
Tug Posted June 3, 2019 Share Posted June 3, 2019 But if they were fully charged for a year, they're knackered. Quote Link to comment Share on other sites More sharing options...
richardr33 Posted June 3, 2019 Author Share Posted June 3, 2019 16 hours ago, Tug said: Did you storage charge them? Hi, I didn't storage charge them Quote Link to comment Share on other sites More sharing options...
richardr33 Posted June 3, 2019 Author Share Posted June 3, 2019 9 hours ago, Bajadre said: fully charged they should read 2s 8.4v 3s 12.6v 4s 16.8v check packs for any puffed cells if not should be good to go buddy So if the battery's show these reading can I just charge them as normal? Quote Link to comment Share on other sites More sharing options...
Bajadre Posted June 3, 2019 Share Posted June 3, 2019 if there showing those volts buddy there fully charged standard volts will be 7.4,11.2,14.8v etc Quote Link to comment Share on other sites More sharing options...
terry.sc Posted June 4, 2019 Share Posted June 4, 2019 2S should be between 6.0v and 8.4v 3S between 9.0v and 12.6v 4S between 12.0v and 14.8v If they are and the batteries haven't puffed up they should be fine. Balance charge them to bring them back into sync in case any cells have discharged at a different rate to the others in the pack. If the voltage is too low the charger won't charge them. Quote Link to comment Share on other sites More sharing options...
Tug Posted June 4, 2019 Share Posted June 4, 2019 Left fully charged causes irreversible damage, shouldn't be dangerous to use, just not quite what they once were. Quote Link to comment Share on other sites More sharing options...
richardr33 Posted June 4, 2019 Author Share Posted June 4, 2019 Right guys I've used a capacity controller to measure the volts and percentage here's the results 1st 2s 4200 25c reads 7.3 volt 9% 2nd 2s 4200 25c reads 7.5 volt 31% 3rd 3s 5000 40/50c reads 11.5 volt 49% 4th 3s 5000 40/50c reads 12.3 volt 90% 5th 4s 5000 30/40c reads 15.2 volt 38% 6th 5s 5000 30/40c reads 20.5 volt 91% A couple are a little puffed not by much Quote Link to comment Share on other sites More sharing options...
richardr33 Posted June 4, 2019 Author Share Posted June 4, 2019 First 2 battery's are Orions the other 4 are Turnigy Quote Link to comment Share on other sites More sharing options...
Tug Posted June 4, 2019 Share Posted June 4, 2019 It doesn't matter what they're reading, if they've been left fully charged, the damage has been done. Quote Link to comment Share on other sites More sharing options...
richardr33 Posted June 4, 2019 Author Share Posted June 4, 2019 (edited) Ok cheers for the info, I'll have to get some new ones, suppose I can use them on the kids buggies they won't be bothered Edited June 4, 2019 by richardr33 Quote Link to comment Share on other sites More sharing options...
terry.sc Posted June 5, 2019 Share Posted June 5, 2019 Try them before binning them, leaving them fully charged can shorten their life and reduce capacity and punch but doesn't mean they are junk. No need to get rid of them if they are still working fine, just don't expect the ultimate performance of new packs. 1 Quote Link to comment Share on other sites More sharing options...
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