Asked how I am powering the radio etc... well I have a hub dynamo on front and a bottle dynamo on rear wheels both connected to one of these homebrew gyzmos with is as simple as it gets a voltage tripler(do a google sreach) and I get c 15-18V depending on peddle speed. this charges a front 4.2AH 12V and a real 7.2AH 12V SLA (HEAVY!!). I also have a small solar panel that trickle charges either battery too.
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