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(More customer reviews)I was interested to see how well this power supply would work with my Asus laptop, replacing the normal heavy brick power adapter. Nine connections available for many different types of units, including one for an ipod. It charged my laptop, no problem, but I was stunned how hot the charger was during the charge. I decided to bring home a surface temperature measurement gun (a Raytec MiniTemp MT). The Raytec is a handheld non-contact infrared thermometer that you aim at a surface with a laser pointer and it displays a temperature at that point. Starting temp 75F. Temp during charging? On the piano black side, 142F. On the opposite side, 158-162F. That is more than warm. That is very hot. Hot enough to damage a plastic surface that it might rest upon while plugged in. While hot, the rear 158F surface is ribbed so some of that heat is dissipated, and not as hot to your skin as you might expect. The manual says it will get warm, I guess it is a matter of perspective. It is obviously current draw for my laptop requiring a printed output of 19.2V - 6.32 amps. Once the laptop charged, the temperature dropped to 115F and over 10 minutes another 10F to 105F. Charging an ipod the unit did not quite as hot ranging from 106-115F.
Temperature aside, the compact unit can charge two things at once (did not try), and has an car DC adapter with an automatic cut-off if it gets too hot. I have not had a chance to check that particular temperature for charging a laptop in the car, but will update this review if I do. There is no adapter for a mini usb cell phone connection, an increasingly common charger connection for smart phones like Blackberry and Droids. Adapters are cheap, but you may need one to charge your phone. It is a nice looking, light, and sturdy charger that could replace bulkier chargers, especially when traveling. Just be careful where you plug it in and what it might be resting on during charging.
Update: I guess that this charger just does not like my laptop's current draw. It started going on and off in its last charge attempt. It was making an audible buzzing noise each time it would cycle, about once every 5 seconds. The unit was as hot as it was before, 160F. I suspect that the automatic cut-off preventing overheating is kicking on and off. At this point, I would not recommend this charger if you have similar power requirements (19.2V-6.32A). Back to the old brick for my laptop!
Click Here to see more reviews about: Targus Premium Laptop Charger (AC/DC) with Limited Two Year Warranty APM69US (Piano Black)
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