Harry - I am aware that attempting to charge the Sony reader via USB doesn't work, unless you're charging with USB from a computer. But I first attempted to charge the reader using my Netbook (which was plugged in), but it still drained the battery. Perhaps the power supply in a netbook isn't sufficient to run the computer and also charge the reader.
It's when I used the Tekkeon portable power (runs on batteries) that I got into trouble. One of the Tekkeon tips fits the DC input on the Sony, so I used that input rather than the USB input. I've used the Tekkeon to charge other devices, with no problems. But it caused a huge problem with my reader. I was very concerned when my reader would not respond to any button I pushed. Draining a battery is one thing, but I thought I had "bricked" my reader. I'm still not sure why it so adversely affected the reader; my guess is that the Tekkeon wasn't providing the required 5.2 volts to the Sony.
Fortunately, the problem was resolved with no apparent lasting effects. I definitely won't be doing that again, and hopefully my near miss with killing my reader will prevent similar problems for others.
Thanks.
SteveK
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