At your first sight, you may think this product–BlitzWolf 20W Charger is one kind of purse. Actually, it is a solar power charger that supports dual devices charging at the same time. It was equipped with three pieces solar panels for quick speed charging, suiting for different weather conditions. Then, let me share you something detailed about it.
It is one kind of convenient and portable product that you can bring it anywhere. Compared with almost other similar products in the market, which has a sum power transformation efficiency of near 15% or less, it is better that keeps up to 21.5% to 23.5%. Most important, it is perfect for multiple types of weather, even can be used in the cloud day.
In addition to, this type of usb car charger has two useful and practical features. One is that the Power 3S technology, which is able to smartly identify your connected device and provide the fastest and safest charging current for up to two devices. Another is the auto restart feature. When it on the sun fades and no enough light place, it will turn off. While when it in the enough sun power place, it will auto restart.
If you are interested in it, you can make a pre-order from banggood.com, and it will arrive on December 30, 2015. There is a good news that 500th before ordering customers will have separately discount. For example, the former 5th orders only pay $39.99 and you can get it. Its normal price is $49.99.