No USB charge bricks needed while on shore power...
http://eshop.macsales.com/item/Newer%20Technology/PWR2USB/ Cool idea.... I have a few 12v ports added with dual charger jobbers. But this is cool. You can get 15a and 20a outlets too.
Forum Discussion
Did you know that even GFI recepticals use power while nothing is plugged into them? It is only a few watts per hour, per GFI, but still a GFI consumes power, and might cause a solar powered home to require installing extra panels due ot the wattage used by the wall warts and GFI recepticals.
I didn't know this! Apparently older ones did not use power but the newer, smarter ones draw about 5 mA, which is P=IV = .005x120 = 0.6 watts. Or 0.6 watt-hours of energy every hour. Not much for one but the trend is to put a lot of GFIs into homes and garages.
http://forums.jlconline.com/forums/showthread.php?53902-AFCI-amp-GFCI-Power-CGonsumption
It amounts to 5 KW hours a year, which could cost as much as a dollar. For each GFI in the house. I think I will stock up on the older kind that doesn't use power if there are any left.
Some AC adapters are very well made and feel cool to the touch so their parasitic draw must be similar to the GFI. But others are warm all the time and waste a LOT of energy.
