3V1 and 3V2 Power Banks store electrical power and deliver it to your device upon demand.
This device provides "portable power" for small electronics. Use it for telecommunications systems, laptops, cell phones. We powered an airport base station at WWDC. It can be used while traveling as a second battery. Use it for small dc devices in remote homes, recreational vehicles, boats. With a Verizon or Sprint air card and the Power Bank - one has both mobil electricity and connectivity. PowerBanks can be daisy chained together for double the capacity. The PowerBank is the perfect device for low power needs at "Burning Man" to run lights, computer, music. It is ideal for developing countries or villages without a dependable power grid. As back up power for storms, tornadoes, hurricanes use the Power Bank as an uninteruptable power supply (UPC). Inside is a safe lithium polymer battery which has a long stable discharge curve. Lead Acid, Gel and AGM batteries are much heavier and larger for the same wattage.
Charging - use your laptop ac adapter. There are 4 input plugs (charge 1-4) which will accept most ac adapters plug tips. You can also use a solar panel - see picture left. We are using a Kyocera 40T panel which charges the 3V1 in 4.5 hours. Roll up and thin film panels will work too with a slower charge rate.
Using = power out 5V USB, 5V, 8-12V, 15-16V, 18-20V. Run your laptop and charge your cell phone at the same time.
Includes cables and 4 different tips for PC laptops including Sony Viao, Dell, HP. PowerBook or MagSafe cords sold separately.
3V1 is 24000 mAhr / 89 Watts= 4.8 X average (5000 mAhr) laptop battery
$248.00 
3V1 and Kyocera 40 together $500
3V2 is 36000 mAhr / 133 Watts = 7.2 X average laptop battery