This solar powered cell phone charger is the perfect solution to recharging most digital devices during emergencies, camping trips or anytime normal power is not available. Also features a powerful LED flashlight and two level room light. Output charge - USB port - 5V - 700 mA Input charge - micro USB port - 5V - 700 mA .55 watt solar panel - 17% efficiency Charging time with USB port - 2.5 hours Charging time with built-in solar panel 12 hours Lighting time - 2 - 5 hours Rechargeable lithium ion battery - 1700 mAh 5.25" x 3" x 1".