[Elecraft] Premade tab welded battery packs

[Walter Underwood]

One of the Elecraft engineers mentioned that they worked hard to find a battery holder with low resistance contacts and conductors for the KX3.

wunder
K6WRU

On Jul 13, 2014, at 5:47 AM, David Christ <radioham at mchsi.com> wrote:

> Art sees the same thing I do.  Take those 10 springs, uncoil them and fasten end to end.  That surprisingly long, hight loss length of wire is what all the current has to pass through.  Far from ideal for keeping the voltage and efficiency up.
> 
> I have seen better designs incorporated into equipment but never in the secondary market.
> 
> David K0LUM
> 
> 
> On Jul 12, 2014, at 11:39 PM, Acbross via Elecraft <elecraft at mailman.qth.net> wrote:
> 
>> Less loss than spring connected packs.
>> 
>> http://www.onlybatterypacks.com/items.asp?db=37
>> 
>> Art - KC7GF
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--
Walter Underwood
wunder at wunderwood.org