Hello Patrick.?
I've been running my third experimental U3S off one of those USB charger units used for charging a phone.?
It can run for several days depending on ma capacity.?
I acquired several recently second hand and they are proving to be very useful.?
Not sure I could charge one from a solar cell though but in saying that, I've never tried.?
They make some compact units now at affordable prices.?
All I've done is to butcher a USB lead and soldered it directly to the U3S. That way when one goes flat, I can just grab another unit and plug it in.?
Kindest. James.?
toggle quoted message
Show quoted text
All,
I have 20m and 40m versions coming - Order #184 (yes I set my alarm early). ?I'm planning on building them into a case with an integrated LiPo battery. ?I've never designed a solution like this, but I know there are many inexpensive charger / regulator boards
that could be used with a small battery. ?My goal is to stay small but have enough power to operate at least 4 hours on a charge. ?What would be a good size battery and charge controller to integrate? Would be good if the radio could run off the power supply
/ charger line while charging, and even better if it could charge from a solar panel. ?
72 de AC3K
