The anker 21 watt product produced 5 11 volts at 0 52 amps for a total of 2 6572 watts.
Anker 21 watt solar panel review.
As discussed above the results show that models with higher wattage are more effective at charging multiple devices at once.
We were impressed by the sunjack s overall power and efficiency in this metric.
Anker is the global leader in charging technology taking your mobile devices further than you ever thought possible.
After trying such a large range of panels we realized that in this case the larger the wattage makes a big difference after all.
Review of the 21w anker powerport solar charger.
I ll let you know the best way to use this solar charger.
Poweriq delivers the charging speed up to 2 4 amps per port or 3 amps overall under direct sunlight.
The anker 21 is made of industrial strength pet polymer faced solar cells surrounded by durable polyester canvas.
Anker 21w dual usb solar charger.
The cost of a solar panel is dictated by the market price of solar in units of watt.
This construction makes the anker panels durable and able to withstand the harsh conditions found in the outdoors.
That s where the anker 21w powerport solar charger comes in.
They also have a thirty day return policy if you have any issues and will give you a full refund.
I strongly suspect that both the anker and aukey solar chargers would have charged at a much higher rate had something more than a 5 smart phone been used.
21 watt sunpower solar array is 21 5 23 5 efficient providing enough power to charge two devices simultaneously.
It may sometimes be more economical to purchase two 200w solar panels with higher efficiency ratings as opposed to one 400w panel with lower efficiency.
Despite being rated at 21 versus 20 watts both chargers supplied about the same power to the smart phone.
Therefore the higher the wattage rating the more expensive the panel.
At roughly 11 x 6 inches weighing only 15 ounces and priced under 100 this is a device that won t break the bank or add a lot of.
This is great for camping hiking or fishing.
I point out the pros and cons of this model.
The big blue anker 21 and sunjack were high scorers as was the goertek 25 000mah.
Solar panel anker 21w 2 port usb portable solar charger with foldable panel powerport solar for iphone 11 xs xs max xr x 8 7 ipad pro air mini galaxy s9 s8 s7 s6 and more visit the anker store 4 3 out of 5 stars 2 437 ratings.
