Why can't you connect two power supplies of different voltage or current ratings in parallel nor a series? - Quora
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Power Supply 120W, Output: DC 19V/6.31A, Input: 100V-240V~, 2.0A, 50-60Hz Max, EDAC Power Electric Model#EA11013M-1900 (with Power Cord)
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Is it okay to use a power supply that provides slightly more voltage and amperage than what's rated? - Electrical Engineering Stack Exchange
![The challenges behind paralleling and series configurations of power supplies when used to increased current and voltage respectively The challenges behind paralleling and series configurations of power supplies when used to increased current and voltage respectively](https://www.newelectronics.co.uk/media/ibmdk5vv/powerpic.jpg?anchor=center&mode=crop&width=1002&height=564&bgcolor=White&rnd=132877557477100000)
The challenges behind paralleling and series configurations of power supplies when used to increased current and voltage respectively
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