How long can I store my Lipo without adding some charge - RCCanada - Canada Radio Controlled Hobby Forum
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Old 11-26-2019, 09:41 PM   #1
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How long can I store my Lipo without adding some charge

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So, at the risk of coming off as lazy... I haven't flown this past year or so but I know I will get the itch again in the Spring. I always leave my batteries at storage voltage however, theyve been stored now for more than one year. Constant temp is about 18 Celsius downstairs.

Should I be adding some charge to them periodically or am I ok to ignore them for a while longer? I have 12 so its a few hours of work. Ok that sounded lazy but the any intel on this front would be appreciated
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Old 11-26-2019, 10:14 PM   #2
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Re: How long can I store my Lipo without adding some charge

Just check the voltage of each cell. If it is at 3.79 or 3.80 (or a bit higher), leave it alone.

I keep a bunch of batteries "on reserve" I check my battery reserve once a year, and some of the packs have been sitting for several years and they are still at 3.8/cell
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Old 11-26-2019, 10:49 PM   #3
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Re: How long can I store my Lipo without adding some charge

I've been flying large electric for a long time, and I have some lipos that are over 5 years old and still going strong. Some info I found about long term storage that I've stuck with is to "cycle" them every 3 months. My charger (PL8 Duo) has this feature built in and it automatically puts the packs back to storage voltage after, simple plug and play. And I just do however many packs per day as is convenient till they're all cycled.
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Old 11-27-2019, 04:06 AM   #4
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Re: How long can I store my Lipo without adding some charge

I've had Lipo's in storage mode for over 4 years with no issues after I started using them again. But I now check the voltage every few months to make sure. Cheers Floyd
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