Solar Vest - Solar Battery + Charger for Portable Electronics Description Feature- Solar Vest - Canvas Material- 8, ... 20V Output- WeatherproofSpecification- Primary Function: Solar Battery + Charger Vest for Portable Electronics- Solar Charger Specifications: - Four Solar Panels - Capacity: ... pockets, 1 back pocket - Zipper and Velcro fastener- Portable Battery Charger Dimensions: L:120 x W:70 x D ...