Quote:
Originally Posted by Huw333
Ok i may have this wrong - i was thinking that these power supplies can be used on their own, without being plugged into the mains - except when they need charging?
Or are they just like a step-down transformer so need a constant 240V supply to run?  |
No, they stay plugged into the wall, some magic happens inside and 12v DC comes out the front for your charger
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