The BigBlue 5V 28W solar charger also includes a convenient fold up design that may be stowed within a pack or opened up to be used to the path, and also incorporates a created-in voltage regulator. You'll want to also check for its charging abilities. The quantity of USB ports https://modernsmartdevices.com/product/appliances/home-appliances/power-bank-home-appliances/power-bank-10000mah-usb-type-c-fast-charging-quick-charge-3-0-power-bank-external-battery/