For beaucoup power from a KX1, you can use a 4S1P A123 pack, and even recharge it remotely with a small solar panel and a Genasun controller. Mine puts out well over 5 watts with this setup, however Wayne has said this much power can endanger the finals. So far, no problems. It is a bit bulky, but pretty light.
This way, you maintain the ability to use internal Lithium AAs when you positively need the lightest possible setup.
73
Eric WD6DBM
Sent from Yahoo Mail on Android
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