Thursday, July 14, 2016

RE: [Electric Boats] Re: Lithium Sale

 

Well, thing about "no self-discharge" is there is no such thing as "no self-discharge".

Practically, that can be true, but probably in every case it can be quantified and it's non-zero.

Key factors that influence self-discharge time: SOC% and Temperature

 

Some of the best lithium cells today are the Enerdel lithium cells (3000 cycle rating and other factors).

At 50%SOC and 30degC, the self-discharge rate is noted as 5% over 4years --- i.e. 1.5%/year

At 75%SOC and 30degC, the rate is 12% over 4years

Hence why it's best to store lithium batteries near 50%SOC…

 

YMMV-

 

-MT

 

From: electricboats@yahoogroups.com [mailto:electricboats@yahoogroups.com]
Sent: Thursday, July 14, 2016 3:14 AM
To: electricboats@yahoogroups.com
Subject: RE: [Electric Boats] Re: Lithium Sale

 

 

 

 

No! The great thing about LiFePo4's is there is no self-discharge.

 

 

Steve in Solomons MD

Lagoon 410 SE

If they've been in storage for that long, wouldn't they have self-discharged to the point of ruin?



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Posted by: "Myles Twete" <matwete@comcast.net>
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