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GGXingEnergy 8W 20W Portable Solar Charger for Mobile Phone iPhone Folding Mono USB Solar Panel+Foldable Solar Battery Charger
Model No.: GGX-F8W4
Regarding the power "8W 20W", we have to point out this. We see many of other sellers selling the similar items and describe the power as 20w…
They are cheating customers, just using the fake power description and low price to win orders… This kind of solar panel with the similar size as ours can be only max 8w!!
When you read the goods description from other sellers, you can compare the info with ours.
1, Below is an example.
It shows max power 20w, max current 2A, 18v and 5v. If it is real 20w, the max current should be 20w/5v=4A.
If 18v, max current is 20w/18v=1.1A. And this small solar panel can not reach 18v…
Its folded size is 10.5×16.5×1.5cm. Our folded size is 105*170*30mm.
So that they are using the same size of solar panel as ours.
The power of solar panel is decided by the efficiency of solar cell and the size.
If the efficiency and size are the same, how it can be 2.5 times more power?! It is out of current technology…
The right info is as this:
This solar model is made from 4pcs of small solar panels. Each small solar panel is only 2w/6v.
4pcs small solar panels in parallel to realize 8w/6v = 1.3A (max).
An USB controller is added to realize stable 5v to protect the charging for phone.
They write the solar panel is monocrystalline. But when we checking their reviews from the customers, we find the solar panels received by customers are polycrystalline…..
What is the difference for monocrystalline and polycrystalline?
Mono one is with efficiency up to 19%. Thus poly one is generally around 13%-15% efficiency.
And of course the poly one is cheaper than mono one. Mono one is with better quality.
We find some customers' reviews about the doubt for the real power.
One buyer writes as this, "Maybe it is necessary to fly to the sun itself so that the device showed 2.4A))."
The group for real customer reviews for that fake 20w panel (Above and below pictures are the reviews from other sellers, NOT ours.)
(Standard test condition for max power: AM1.5, 40,000 Lux, 25 centi-grade, 1000w/m2.
All solar panels' outputs are totally decided by sunshine intension.
Due to the working feature both for solar panel and iphone, when sunlight is weak, iphone will refuse the charging.
When sunlight becoming stronger enough, the Restart Charging one will resume the new work on iphone automatically.
But the one without restart charging will need you to do this manually.
You need to pull off the charging cable and do new connection with solar panel to restart the charging.
So that if you use iphone series, we suggest to choose the one with Restart Charging function.
Or if you do not use it, the general (cheaper) one will be ok.
And please kindly leave a message about the color you need when ordering it.
Otherwise, goods will be sent randomly as per current stock to let you receive it asap.
-Solar panel: frosted PET laminated
-Fabric (waterproof): 600D PVC
The Package Including:
4 in 1 USB charging cable, one usb cable with 4 connectors, iphone 30pin, iphone lightning 8pin, micro-usb and mini-usb.
(NOT included, if you needing it, please go to below link to pay $1 for it. We only charge its basic cost $1.)
Because lots of phones normally only need 1A for charging, as below. If not reach this current, it is due to the sunshine intension.
We sell this solar panel model since 10 years ago. The basic thing we can promise to buyer is we will never cheat customers about the real power!
Blue camouflage, Desert Camouflage, Digital Camouflage, Green camouflage, Red Camouflage, Restart Charging, Black
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