Title: Short lifespan, poor construction.
Product review: I bought two of these, one to travel in my bag, and one to use at my desk at home. Both units developed open circuits after a few months. If the input cord is wiggled just right, the power supply will come on. Replacing the cord did not fix the problem, the broken circuit is inside the power brick.Also, one of the two units is very noisy. When connecting speakers to the laptop there is a loud buzzing sound (not ground loop). Removing the AC adapter, or switching the OEM IBM one, the problem goes away. Would not buy this product again.
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