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Cobb · 09-13-2014, 06:54 PM

12 x 12 volt 3 amp bats in parallel = 12 volts 36 amps.

Lets assume you use a 12 volt usb power supply. 12 volts half an amp 72 hours for one pi.

09-13-2014, 06:54 PM	#3 (permalink)
Cobb Master EcoModder Join Date: May 2012 Location: USA Posts: 2,643 Thanks: 1,502 Thanked 279 Times in 229 Posts	12 x 12 volt 3 amp bats in parallel = 12 volts 36 amps. Lets assume you use a 12 volt usb power supply. 12 volts half an amp 72 hours for one pi.