Cobra Electronics CPP 300 SP Dual Panel Solar USB Charger 2.1 Amp rapid charging to quickly charge your cell phone, smartphone, tablet and other mobile devices Dual high efficiency solar panels for rapid charging times Rechargeable via USB or Solar Panels for maximum recharging versatility Multiple charging outputs - Charge up to 3 devices at once Illuminated LCD Display - Indicates battery level, and 3.7V/6,000mAh Lithium Polymer Battery Pack - Charges a device multiple times