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They sent a different product with a lower wattage output which is dangerous
on January 4, 2014
They sent a "V19" instead of a "V10" equivalent. The "V19" only provides 3.9 amps output (giving ~76 watts of power) instead of the 4.7 amps needed to provide 90 watts of power. If your PC needs more wattage but you use a smaller power supply it will result in the power supply overheating and possibly causing a fire.
Make sure that you get the proper wattage. Go to [...] and look for the accessory catalog for your unit. Do a search on the specific power supply model number to determine the wattage needed to replace it. The last two digits of the model number appear to represent different wattage outputs.
To calculate wattage given the voltage and amperage just multiple the voltage by the amperage.