Solar Powered Mobility

Parts List
• Junxion Box wireless gateway $700; junxionbox.com
• Verizon Wireless EV-DO PCMCIA card $100; verizonwireless.com
• Voltaic Systems solar-charging backpack $230; voltaicsystems.com

These parts are available at any electronics store:
• 12-volt battery with spade terminals, 1.2 or higher amp-hour $15
• Male DC power plug, size M $5
• 18-gauge wire, black and red $5
• Female insulated quick-disconnect connectors, crimp-type, sized for battery spade terminals $3
• In-line fuse holder $7
• 20-amp fuse 50 cents

From Popular Science.