Good voltage for Lipo storage

[DaveG28]

What's a good voltage to leave lipo cells at if they won't be used for a while? Will 4v be ok or is that too high?

[c0sie]

Google seems to suggest that 3.80v-3.90v per cell is about right.

That should see you at about 50% charged.

Google for LiPo storage voltage and you'll find loads of stuff fella.

[mark christopher]

what charger do you have? bc6 has a storage charge mode

[DaveG28]

Originally Posted by mark christopher

what charger do you have? bc6 has a storage charge mode

Yeah it is, was a little worried it may store them a little low?

[chb]

3.7 / 3.8v seems to be the consensus (40 to 50% charge)
In addition to that, lowering temperature for storage helps durability. So fridge is also good (but not to the taste of the wife)

[DaveG28]

Lipo can handle slow charge/discharge without damage can't they? Just askig as I have used the storage option, and it is very slow as it is discharging them to 3.80v at @0.5A?

[emtee]

Originally Posted by chb

3.7 / 3.8v seems to be the consensus (40 to 50% charge)
In addition to that, lowering temperature for storage helps durability. So fridge is also good (but not to the taste of the wife)

That reads FRIDGE not FREEZER...! The freezer will degrade the structure so when it is defrosted it'll pop... well it did to mine...

[JJ The Boat Wizzard]

Hmm dont know where your getting your ideas from but I recommend not putting them into the fridge , lipo's like it to be not 2 warm but not 2 cold as the internal cells composits thickens as lipos cool and expand when very warm , room temp is ideal for lipo storage.

Oh store them at about 40 - 50% charged

Hope This Helps
John

[chb]

lipo like(do they?) being warm but just because it lowers their internal resistance(more punch), not too warm though. I have not seen anywhere that it increases their lifespan to get warm for discharge.
About cold storage...a book at work... But I have to say it states that regarding Lithium-ion batteries.
Lithium-polymer might or might not be different in that respect? But I found this link googling it(seems quite serious):

http://barnson.org/node/1154