... : Bypass Diodes for shadow Tolerance 5) factory 3W/5V Portable Folding solar charger with storage lithium-polymer batteryTechnical parameters TOLERANCE(+- 0 ... , very light weight,thin film,endurable,very little influence with temperature, anti-reverse charging protection,shadow tolerance & hot ... charging voltage 2SC1-3-LI 3W/5V Portable Folding solar charger with storage lithium-polymer battery