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Originally Posted by raymo
Hi Damien, I have a PDF of the manual, and it states that running off
rechargeables is not recommended as 3 fully charged rechargeable AAs only
just supply the minimum required voltage [3.6v], so I always have used 3 normal AAs.
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Fair call, but didn't you quote in the other post that the 'new' unit was designed for rechargables, Alkaline, etc?
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The port is definitely for an external power source, it is listed as such.
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I agree that it makes no sense to supply 5v USB when the unit requires 4.5v, unless there is a very low dropout voltage regulator in the unit. But the LED brightness kinda rules that out.
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You have the wrong end of the stick; It is the hand controller [ actually its motherboard] that gets hot when running the tracker with external power, whether you leave the batteries in or remove them.
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Cool, I had a look online so now I know what it is as there was no mention of a hand controller in the posts, (I haven't used a tracker). Stick with batteries until you get a solid answer from the maker.
What was the end result with the USB lead and wiring as you mentioned it was different internally? USB is USB, maybe they have a special power supply with a custom wire USB plug?
Good luck and keen to hear if you get a fix.
Cheers,
Damien.