Avoiding those $@#$^!! Fiberglass splinters - Page 2 - RC Groups
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Jan 30, 2013, 10:46 PM
Space Coast USA
hoppy's Avatar
Good point. How about 3.7V? 80% discharged.
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Jan 31, 2013, 09:02 AM
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Quote:
Originally Posted by hoppy
Good point. How about 3.7V? 80% discharged.
I am storing mine lower i left mine for a year at 3.85v per cell and did not notice hardly any voltage drop..... i figure 3.4 maybe 3.5v cell for a few months at a shot do a simple voltage check on them would be much safer tthis way.

and i would think storing a pack with more energy in it would make the packs life shorter anyhow.
Jan 31, 2013, 10:07 AM
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Mark Wood's Avatar
Why store them at a lower voltage when the manufacturers store and ship them at 3.7 volts/cell?

mw
Jan 31, 2013, 10:54 AM
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I store all mine at 3.8 lipos are getting hard to get from China due to shipping regulations. I stocked up.
Jan 31, 2013, 11:02 AM
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Quote:
Originally Posted by Mark Wood
Why store them at a lower voltage when the manufacturers store and ship them at 3.7 volts/cell?

mw
because less voltage less energy no fires when stored I am thinking.

i bet you puncture a 5000 2S lipo stored at 3.85V per cell it will catch fire but i bet you do the same stored at 3.4V and no fire will happen.... that's what i am thinking.
Jan 31, 2013, 11:12 AM
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Quote:
Originally Posted by reptileman
because less voltage less energy no fires when stored I am thinking.

i bet you puncture a 5000 2S lipo stored at 3.85V per cell it will catch fire but i bet you do the same stored at 3.4V and no fire will happen.... that's what i am thinking.
I just think the lower storage charge helps preserve the battery.
Jan 31, 2013, 11:23 AM
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Mark Wood's Avatar
Quote:
Originally Posted by reptileman
i bet you puncture a 5000 2S lipo stored at 3.85V per cell it will catch fire but i bet you do the same stored at 3.4V and no fire will happen.... that's what i am thinking.
I'd say it will catch fire either way. I'll stay with manufacturer's storage levels. It just plain makes sense.

mw
Jan 31, 2013, 11:38 AM
Registered User
Pretty sure I remember seeing published info somewhere that storing fully discharged degrades the pack at about the same rate as storing fully charged.
Jan 31, 2013, 11:52 AM
Registered User
who knows i still think 3.85v cell is kind high for storage
Jan 31, 2013, 02:25 PM
Registered User
Quote:
Originally Posted by reptileman
who knows i still think 3.85v cell is kind high for storage
What you "think" is irrelevant. It's the hard physics and facts that are important.


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