SunLabz&reg; Portable Solar Charger (7w) Ultra-Efficient Solar Panels BE ACTIVELY ENERGY EFFICIENT: Enjoy nature and preserve it at the same time with the Sunlabz 13W Travel Solar Charger. Ideal for hiking, biking, or camping, the light, portable panel can charge all your small mobile essentials using solar energy and our Voltage Stability Controller. Thats what we like to call proactive, literally. STAY CONNECTED, OFF THE GRID: Whether you are bringing along a tablet for GPS, a phone for photography, or an iPod for some motivating music, the Sunlabz travel solar charger will keep the juice flowing with high-efficiency 22% transfer rate solar cells, a 5V USB port, and protective Voltage Stability Control, which prevents unstable or damaging currents. DEPEND ON DURABILITY: Crafted to withstand adventure, the Sunlabz portable solar charger is crafted from sport quality PVC fabric finished with a scratch and damage resistant hardened coating. Sunlabz uses only the highest quality cells available for guaranteed reliability and unmatched performance. PROTECT YOURSELF, YOUR PLANET, AND YOUR DEVICES: Whats not to love? Put safety first with the solar charger, ensuring you're never left with a dead phone in an emergency. Utilize clean, natural energy from the sun to power your devices, on the road or at home; anywhere you have direct sunlight. And prevent damage to your devices from unstable currents with our Voltage Stability Controller to regulate shifts in current and ensure your device is safely powered. KNOW THE FACTS: Solar power is abundant, clean, renewable, and effective. In fact, each hour, enough sunlight reaches the earths surface to provide for the worlds energy demand for a year.