Shawn Lin wrote:Probably not enough mA, the original one was 5V@700mA I think.
That's one of the major pieces of knowledge that I learned from being on this list for
years, Although you would think that too much
mA would burn your unit up and worst case, less just wouldn't work, less can actually
cause damage.
Also, the electronic gadgets that we are always talking about on this list, apparently
can handle some fluctuation in voltage
without causing damage (though as you discovered, you can have a Sharp unit that will
work just fine on 4.5 volts-even their car
adapter is 4.5 volts-yet 5 volts are required to charge the battery).
AA batteries are rated from 1200 mA up, depending upon the type of battery. The only
effect that more mA seems to have when it
comes to batteries is playing time. But the voltage of batteries range from 1.2 to
1.5 volts each, yet the units do just fine with
the lower voltage batteries, why is that?
Lawrence
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