... shadow Tolerance 5) factory 3W/5V Portable Folding solar charger with storage lithium-polymer batteryTechnical parameters TOLERANCE(+- 0.5)BATTERY CAPACITY: ... -resistance, very light weight,thin film,endurable,very little influence with temperature, anti-reverse charging protection,shadow tolerance & hot spots ... 2SC1-3-LI 3W/5V Portable Folding solar charger with storage lithium-polymer battery