[Elecraft] [KX3] Simple LiPo Power Source

[Gary Hawkins]

The power supply described here, 
http://chuckprice.wordpress.com/2014/04/06/kx3-portable-lipo-power-solution/, 
is indeed very elegant and offers lots of protection to a LiPo battery

However, if you want a more straightforward lightweight power solution 
I've had good experiences so far with a Zippy 30C Series 4200 4 cell 
battery.  Max voltage is 13.2V and for SOTA activations this has more 
that enough voltage stability to maintain full power over a couple of 
hours SSB operation.  I have two Zippys in case I'm doing a two day 
weekend activation.

I carry the Zippy in an old sock (washed!) and this in turn goes in an 
old biscuit box that contains my KX3 (wrapped in bubble wrap), my Yamaha 
CM-500 headset and other small accessories.   This then goes in my 
backpack and I've found this is more than enough protection for both the 
battery and KX3.  The power lead between the KX3 and battery can be 
fused for short circuit protection.  I use a Turnigy Accucell 6 for 
external charging.

Gary K6YOA