The very first “Battery-Free” solar powered charger, The Solsol Solar Hat extends the battery life and charges the battery of your iPhone, Android cell phone and other mobile devices. The Solsol Solar Hat That Charges Your Phone delivers renewable energy and clean power to your iPhone and Android smart devices when the sunlight hits the proprietary solar panel on the flat brim of the SOLSOL Hat. The SOLSOL Hat is SAFE. It is light weight, comfortable and water resistant.