Big panels and large storage capacity make this version more useful than ever. It keeps most USB-chargeable devices rocking, even way off the road. Pre-charge the battery at home from a wall socket or a computer. In the field, unfold the panels, pop a pencil into the provided hole and aim the Classic sundial-style for maximum charging efficiency.

• Battery gives most smartphones three complete charges. Charge times vary depending on the device.
• Stores a charge for up to a year, with 10% loss per month, making it excellent for emergency kits.
• Charges via wall or USB in 6.25 hours, via solar in 8 to 10 hours.
• 3.7V, 3200mAh lithium polymer battery is user replaceable at end of life (average life 3 years).
• Max wattage is 5 watts.
• Discharge rate is fixed 5V, 1,000mA.
• Charging temperature range is 5 to 60°C, discharging temperature range is -10 to 60°C.
• Dimensions are 14.7 x 7 x 3.5cm.
• Rugged plastic shell is splash resistant.