Two 2.0 watt solar panels generate power in sunlight. They are waterproof, lightweight, and built to withstand abuse.
Power: 4 watts total peak output at 6 or 12 Volts (selectable depending on charging application).
Charge times: 5 hours in the sun fully charges a typical phone, 1 hour provides about 1.5 hours of talk time.
V15 Universal USB Battery
Included battery charges efficiently from solar and stores power for use anytime. When not in the sun, it can be charged using the USB Power Cable or optional AC travel charger or DC car charger, making it just as useful on the grid as off. Charge devices from the USB Port using your own cable or the included Micro USB and Mini USB adapters.
Capacity: 4,000 mAh, 15 Wh
Output: 5 V, 1000 mA
Input: 5-6 V, 1000 mA
Maximum Output Power: 5 Watts
Weight: 4.4 oz (126 g)
Dimensions: 4" x 2½" x ½" (102 x 65 x 16 mm)
Charge Time: In direct sun, fully charges in 9 hours from 4 Watts of solar panels. Can also be charged using any USB port or optional DC or AC chargers
Battery Type: Lithium Polymer
Protection: Short Circuit, Over Charge, Over Discharge, Over Current, Over Temperature
Charge Display: LEDs light sequentially when charging.
Capacity Display: 1 flashing LED 0%, 1 LED <33%, 2 LEDs 33-66%, 3 LEDs 66-95%, 4 LEDs 95%+ full
Bag
Detachable Charging Section: Solar charging section zips off and can be attached to another bag, bike rack, etc. with the included straps and clips
Volume: 1500 cubic inches (25 liters)
Dimensions: 18" high x 12"wide x 8" deep (46cm high x 30cm wide x 21cm deep)
Weight: 4.5 lbs (2050 grams) including battery and solar panels
Padded laptop pocket: Dedicated pocket fits up to a 17" laptop (17" MacBook, larger 17" laptops may not fit
Wire channels: placed throughout the bag for cables and bladder tubes
Phone pouch: Sits on the shoulder strap and allows you to charge with easy phone access
Removable waist strap
Built for Comfort: High density padding in the shoulder straps and back. Mesh backing material for better air flow
Fabric: 600D shell made from recycled PET (soda bottles),which is waterproof, lightweight, and UV-resistant