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			 Whatever power supply you do find, also make sure it has sufficient wattage rating to run the pump. It's not just about volts.... so for a 2640 model like yours, you need at least 85 watts, 100 would be better. My ancient Compaq notebook power supply produces 18.5 volt & 120 watts. 
		
	
		
		
		
		
			
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			Mike 77g sumpless SW DIY 10 watt multi-chip LED build Last edited by mike31154; 04-11-2014 at 08:30 PM.  | 
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