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  • 05/10/2017

    Le produit est arrivé bien emballé.J'avais peur qu'il arrive endommagé mais c'était pas le cas car le produit était bien protégé.J'ai testé le voltage du panneau et j'ai trouvé qu'il dépasse 6V en jour bien ensoleillé.

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  • 31/10/2016

    These panels are half the price of the Radio Scrap equivalent panels and twice the current output. I tested them under ambient lighting and all of them produced close to 5 volts as you can see in the attached picture. In full sunlight I expect they will produce full rated output. I bought 3 of them to make an SLA smart charger so that I would have back up power for my Electronics during a power outage. I could have bought a complete system but it would have cost a couple of hundred bucks for one that actually would work. However, being an electrical engineer I decided to build one to my specs. It will be used to keep a 12v, 20Ahr SLA charged. The electronics will be easy since I already have a circuit design I currently use. The tricky part is mounting the panels so they have proper heat dissipation in full sunlight. This was my first order from Bang_good and I am very impressed with the quality of the items purchased. They took about 2 weeks to arrive but it was worth the wait getting them. I am looking forward to ordering more from Bang_good in the future.

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  • 28/12/2018

    Set this panel with a Panasonic 3400 MAmps and as the the blue light on theTP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board Charger Module shows that it is fully charged . This panel works great .

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  • 04/01/2019

    Placa solar bem acabada e com boa eficiência.

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  • 11/12/2016

    Solar panel works fine, even at low lighting I got 4.22 volts.

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  • 15/09/2019

    Good product. I'm using it to run DC 3v mini submersible water pump without battery.

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  • 28/06/2019

    works out of the box, in 5 min i was able to charge my phone

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  • 26/02/2019

    very good and efficient solar panel i just use it with mini inverter to glow 30watt cob led

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  • 08/03/2018

    Seems to work well

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  • 27/11/2017

    The parcel arrived within the specified time, all safe and sound. Thank you all !!!

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