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All Forums >> Radios, Batteries, Clubhouse and more >> Batteries & Chargers >> Lipo storage charge
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Lipo storage charge - 4/28/2008 3:14:22 AM   
Indiomike


 

Posts: 21
Joined: 2/5/2008
From: Indio, CA, USA
Status: offline 		There may be a simple answer for this but for the life of me I can't see it. My understanding is that for long term storage, a lipo pack should be charged to about 50 percent capacity. What harm is done if the pack is charged 100 percent and then stored for say 6 months or so?
Many thanks....
Mike
       Post #: 1

RE: Lipo storage charge - 5/1/2008 6:59:28 AM   
PlaneHeli


 

Posts: 593
Joined: 2/1/2006
From: Australia & Asia &, NEW ZEALAND
Status: offline 		I had 3 2200mah lipos ruined by leaving fully charged for 6 weeks.

They indicated full charge after charging but would not last more than 30-60secs.

Most new packs are about 3.80 -3.85 volts per cell.

The storage feature on one of my chargers charges to 3.85v per cell.



_____________________________

Useless Things...Runway behind you, Sky above you, Air in your Tanks, Engine Oil in the Hanger.

(in reply to Indiomike)
       Post #: 2

RE: Lipo storage charge - 5/1/2008 1:47:59 PM   
jeeprubicon2k3


 

Posts: 113
Joined: 9/25/2006
From: Granby, MA, USA
Status: offline 		My Hyperion Charger manual says 55-60% charged. My two brand new Airthunder packs are sitting @ 3.8vpc or 25%. Who really knows is a good question.

< Message edited by jeeprubicon2k3 -- 5/4/2008 1:32:44 AM >

(in reply to PlaneHeli)
       Post #: 3

RE: Lipo storage charge - 5/2/2008 3:14:34 PM   
SilverFoxCPF


 

Posts: 58
Joined: 1/5/2008
From: Bellingham, WA, USA
Status: offline 		Hello Mike,

You may find this article informative.

Tom

(in reply to jeeprubicon2k3)
       Post #: 4

RE: Lipo storage charge - 5/2/2008 6:27:41 PM   
Indiomike


 

Posts: 21
Joined: 2/5/2008
From: Indio, CA, USA
Status: offline 		Tom, thank you. I read the article. It seems that a full charge combined with ambient temperature produces a capacity loss which is permanent. The higher the surrounding temperature is the worse the loss becomes.
Mike

(in reply to SilverFoxCPF)
       Post #: 5

RE: Lipo storage charge - 5/4/2008 7:06:59 PM   
SilverFoxCPF


 

Posts: 58
Joined: 1/5/2008
From: Bellingham, WA, USA
Status: offline 		Hello Mike,

Please understand that is the theory. There are lots of people that store their packs fully charged and report that they have no problems at all. I believe most of them try to keep them cool, but they are still stored fully charged.

On the other hand, I usually don't worry too much about storage... I "crash and destroy" before I "store" packs to death...

Tom

(in reply to Indiomike)
       Post #: 6

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