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Old Oct 24, 2004, 05:03 PM
Ay up it's warped
mtbrider's Avatar
Derbyshire UK
Joined Feb 2003
1,304 Posts
Storing Li/Po charged or discharged

Well due to the current glut of bad weather it is some 2 months since I had a flight and my mind was pondering on how I should be storing my Li/Pos. I have read that they will keep their charge for ages. I charged/topped one of them up, it was about 1/2 empty. The other I have left. The cells are 3S2P but do not have the individual cell taps on them.
What is the best regime for long term storage please.
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Old Oct 24, 2004, 06:20 PM
Whistling Death
RC4ZEKE's Avatar
WA,USA
Joined Jun 2004
1,544 Posts
Half charged, from what I have read on here.
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Old Oct 24, 2004, 06:31 PM
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ebill3's Avatar
United States, WA, Puyallup
Joined Oct 2004
5,965 Posts
The following is a lift from the Kokam/FMA Lithium Polymer Cell
application manual
, available at www.fmadirect.com

Kokam cells are shipped with a 50% charge and should receive charge to full capacity with the appropriate charger before use. LiPoly cells may be stored at full charge or discharged to 50% capacity for storage. It is desirable to store the cells at room temperature as shown in Exhibit 10 unless cells will be cycled before use in packs.
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