The Sony cable is irrelevant... PRS300/600 readers either charge by USB when connected to a computer (not asleep or hibernating) or by barrel connector to use an external wall charger. Using a USB based wall charger will discharge it... that's why you've got both sockets... also using the barrel connector means you can still read whilst charging
Quote:
Originally Posted by ExEmGe
Not so bad as that, but I've just learned the hard way (whilst on holiday!) that an Apple iPod USB charger not only does not charge my 300 but actualy discharges it. That was using the Sony cable of course.
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