[Elecraft] kX3 and L ion battery

[Phil Townsend]

Charging Lion batteries to only about 90 percent of capacity will help to extend the life of same. Likewise do not totally discharge Lions. Unlike nicads.
Nicads like to be stored in a discharged state. Lion like to be stored in a charged state. 

Phil
Santa Fe
k5SSR


Sent from my iPad

On Sep 17, 2012, at 7:44 AM, Ignacy <no9e at arrl.net> wrote:

> The regular Li-Ion charge to 4.2V per cell so it is 12.6V max for 3 and 16.8V
> for 4. I use 12.6V but get full power only for the first 30% of charge. May
> be a bit better if a series diode in KX3 is removed that adds about 0.6V
> drop. One can charge the 4 cell Li-Ion battery to 15V only, for less charge.
> There may still be weight gains compared to LiFePO3.
> Ignacy
> 
> 
> 
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