Originally Posted by White Heat
I have an IGo power supply (from radio shack) and when I plugged it in @ work, it would only charge to 67% no more. I came home and plugged it in my original charger and all was fine - charged to 100%. I took it back to work the next day and plugged it back into the IGo and still nothing above 67%. I then found I had the wrong tip for my laptop and installed that tip and it charged to 100%.
Just something to consider.