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Old 10-21-2019, 08:04 PM   #1
Mini-Skoolie
 
Join Date: Nov 2016
Posts: 57
computer power supply

Hi I was trying to figure out what would be the best way to power laptop,computer and monitor or two.
https://www.newegg.com/p/1AH-0028-01F24 or

picoPSU-160-XT, 160watt (200watt peak) , 12V input DC-DC ATX Power Supply
An psw inverter could power more but they cost more.
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Old 10-21-2019, 09:04 PM   #2
Bus Nut
 
Join Date: Feb 2019
Location: New Hampshire
Posts: 575
Year: 1990
Coachwork: Thomas 4 window w/lift
Chassis: G30
Engine: 350 Chevy
Rated Cap: 10K
https://www.amazon.com/Jackery-Porta...W061EYQ4WF71KN
Pricey but high quality, clean, long lasting, power source.
Optional solar power panel kit available for it...
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Old 10-21-2019, 09:32 PM   #3
Bus Crazy
 
Join Date: Feb 2012
Location: Salt Lake City Utah
Posts: 1,601
Year: 2000
Chassis: Blue Bird
Engine: ISC 8.3
It'll help if you can clarify the conditions when you want to power that equipment. Power from the alternator while the bus runs? From the starting and lights battery? A house battery? etc.

If you'll be powering from the bus alternator then efficiency of the power supply system isn't a factor. Either the bus is motoring along down the road and a few watts lost to inefficiency of powering that equipment makes a tiny difference in fuel consumption, or else the bus is idling while you work and it's converting fuel to electricity as a horribly inefficient generator. In these cases using an inverter to power the ordinary mains power supplies is the most convenient, off-the-shelf approach.

If you'll be powering from any kind of battery and want to make that battery last as long as possible, running the equipment direct from dc with a power supply like the one you listed at newegg may help you get about 10% more runtime out of the battery as compared to using an inverter. The dc power supply approach could be more physically compact as well.
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Old 10-21-2019, 11:31 PM   #4
Mini-Skoolie
 
Join Date: Nov 2016
Posts: 57
With the engine running going down the road so i can use a tablet to monitor the engine and a passenger maybe watch a movie. I will have shore power hocked up soon so that is not a problem.
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