ALLPOWERS Solar Panel 5V 21W Portable Solar Charger USB Output For Camping Hike
Why Choose ALLPOWERS Solar Charger?Sunpower solar charger has high efficiency conversion rate, so it can capture more sunlight than conventional solar panels, do not need much sunlight to charge items. The transformation effeciency is up to 23%-25%, while most of the similar products on the market is 15% or even lower .
