I'm looking to put together a small solar power kit to run my phone, a nook, and laptop. The largest portable solar array I found was a 27w model, but now I need to figure out a battery configuration that would charge those gadgets adequately and in a relatively small package. I don't need an inverter, I can charge my laptop from 12v DC and everything else from 5v DC. My phone and e-reader each pull 1A @ 5v, and my laptop power supply (car charger type) pulls 2.1A @ 19v. The battery is rated for 10 hours of life, I'm not sure what that would translate to in watt-hours (charging rate is 40w). What sort of system/products/parts should I look at for this application?
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