21 watt sunpower solar array is 21 5 23 5 efficient providing enough power to charge two devices simultaneously.
Anker 14w solar panel.
Anker 14w solar panel foldable dual port solar charger for 5v usb charged devices consider these available items ifitech 40w portable dual output 5v usb 18v dc waterproof foldable camping travel solar panel charger for laptop tablet gps iphone ipad camera android cellphone other 5 18v device 17 750 00 17 750.
It s good to have options.
The anker 21 is made of industrial strength pet polymer faced solar cells surrounded by durable polyester canvas.
I review the 14w fold up usb solar charger from anker on a perfectly clear sky sunny day.
Rawpower 15w solar charger in action this time in direct sunlight.
The anker 21 charged our phone 4 when plugged in next to a battery pack which is similar to panels of the same size and earns the anker a high score in this metric.
The anker has delivered a durable well made product.
The weather conditions were definitively not perfect due to cloudy sky but the ravpower solar charger seems to.
The maximum i ve been able to get out of this unit is 8 watts no matter how i angle it towards the sun.
14w portable foldable outdoor charger.
I decided to use only one panel each time so it is easier to calculate the total power output.
A comparison between the ravpower 15w and the anker 14w solar charger in action.
I already have the biolite stove so adding a good solar power option rou.
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Anker 14w solar panel foldable dual port solar charger with poweriq technology for 5v usb charged devices including gps units iphone 6 5s 5c 5 4s ipad 5 4 3 2 air mini android phones and android tablets by anker.