I bought the RAVPower Solar Charger 28W Solar Panel with 3 USB Port Travel Charger ( https://amzn.to/3hyKIhZ) on Amazon for $49. I was planning to take this solar panel on my camping trip this week. In this video I will unbox and review this portable solar travel charger.
It comes with the 28W solar panel, 2 USB micro cables, and 4 metal hooks.
Why: I needed a portable compact solar travel charger for my road trips and place on my under my windshield when I was parked with the window open. The specifications and function is quite good on this charger 28 Watts with 3 USB ports outputting 2.1A per port. The built in charge controller works well.
The solar panels are very efficient and stores very compact compared to my previous DOKIO 80 Watt folding solar panel kit ( https://amzn.to/2OXphuA ). I typically use my 80 watt during multiple day camping trips to charge my USB devices and my 12 volt car battery by leaving it on top of the car windshield. I also use several solar security lights ( https://amzn.to/3hAE0b3 ) for my house to quickly add security lighting to places with limited power. They have worked well for the past 2 years.
REVIEW: I tested the panel on my porch to charge my power banks. In 4 hours, it topped off half-full my Miady 26800mAh PD Portable Charger Power Bank ( https://amzn.to/2WXHWuL ). The temperature was about 70 degrees worked well with all 3 USB ports at 2.1A. I decided to place the unit on my car dash board to check size and fit. 5 minutes placing it on my dash, 3 USB port charge controller fell off! Apparently the glue or adhesive backing did not stick well to the nylon material.
CONCLUSION: While it still charges, the glue is not durable in heat. The temperature was less than 75 degrees in the car. I will still bring it with me on my trip however i feel who ever designed it did not pick the correct adhesive. I read more reviews on Amazon ( https://amzn.to/3hyKIhZ ) and others experienced similar glue issues. If i had mounted this on my backpack, the charge port would have torn off during the hike. The charging is fine, the build and design missed the mark. I have sent an email to RavPower for a resolution, if not its going to be returned.
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