If you want to charge a phone in a reasonable amount of time 10 to 15w is about the lowest you want to go.
Solar panel charger for house.
The coleman 18 watt solar battery charging kit comes the coleman 18 watt solar battery charging kit comes with a 7 amp charge controller and is ideal for charging 12 volt batteries of cars rvs boats tractors atvs electric fences and deer feeders.
The suaoki model is the best solar generator that comes at a great value and it is easy to set up.
The kit s amorphous solar panel is operational in all weather.
The solar power generated by the solar panel is received by the solar charge controller.
It features three ways to charge making it easy to charge it outside via suaoki 60 w solar panel or with any compatible solar panel at your house with ac plugs or in your car with a dc input.
X dragon solar charger 40w solar panel charger 5v usb with solariq 18v dc water resistant laptop charger compatible with cellphone notebook tablet iphone android camping portable generator 4 3 out of 5 stars 64.
Enkeeo 50w solar charger foldable solar panel with mppt controller and tir c dc usb qc 3 0 and 2 0 output ports multiple connection cables for smartphones laptops car battery power stations 4 5 out of 5 stars 50 129 99 129 99 save 10 with coupon.
A solar charge controller is a component that helps manage the power that is going into the battery store from the solar panel.