liverpoolman1990 Posted January 7, 2017 Share Posted January 7, 2017 Looking for some advice really I bought a hpi wr8 and a new 3s lipo I probably used it without charging first for 20 mins then work got in the way and haven't used it since long story short wanting to use it again is there anything I should do before putting it in the model thanks for any info 1 Quote Link to comment Share on other sites More sharing options...
evssv Posted January 8, 2017 Share Posted January 8, 2017 well it depends what volt the cells where at when u left it...so its either 1.fudged 2.saveable ....so charge it and see what happens volt wise.......what charger u got??? 1 Quote Link to comment Share on other sites More sharing options...
m4inbrain Posted January 8, 2017 Share Posted January 8, 2017 I was in the same boat 2 days ago. Had a LiPo lying around for at least 18 months, plonked it on my battery tester, still had 50% juice and 7,3v in it. But that wasn't empty when i stored it. I'd get something like this. http://www.gearbest.com/rc-parts/pp_27348.html?currency=GBP&lkid=10133836&vip=760928&gclid=CIn63_nDstECFQg6Gwod0C8O4g (you can get that cheaper too) Always handy and tells you immediately how far a battery is gone. 1 Quote Link to comment Share on other sites More sharing options...
RCbutcher Posted January 13, 2017 Share Posted January 13, 2017 I thought so long as it's storage charged it'll be fine. My lipos have sat for a year and hardly used I did check the voltage afew months ago and seemed ok. I think I need a better charger tho, I brought mine thinking a charger is a charger 2-6s perfect. Now think I want more wattage than 50 or 60. I hope these lipos are good £70 ish used but lightly used no swelling or anything and balanced within 0.1 I'll cycle them with extension cord in the garden mayb. The lipos have been stored in a dry cold place in ammo tin and lipo sacks. Quote Link to comment Share on other sites More sharing options...
froggy8 Posted January 13, 2017 Share Posted January 13, 2017 3 hours ago, RCbutcher said: I thought so long as it's storage charged it'll be fine. My lipos have sat for a year and hardly used I did check the voltage afew months ago and seemed ok. I think I need a better charger tho, I brought mine thinking a charger is a charger 2-6s perfect. Now think I want more wattage than 50 or 60. I hope these lipos are good £70 ish used but lightly used no swelling or anything and balanced within 0.1 I'll cycle them with extension cord in the garden mayb. The lipos have been stored in a dry cold place in ammo tin and lipo sacks. yeah you meant to keep checking them as it could go down, if so then just top it back up to 3.7. 1 Quote Link to comment Share on other sites More sharing options...
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