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Volker 03/05/2018
One strip should have 39 Watt power. With this power supply only 6 Watt maximum. If I connect 2 strips to this power supply, the power output rises from 6 to 7 Watt, only 3,5 Watt each strip. The description say i get 78 Watt power. The output Voltage of the power supply has only 9.9 Volt at 7 Watt. If you Power one strip with 11.9 Volt by using a good power supply, one strip has10 Watt. The Voltage dropps in the strip from 11.9 Volt to 8.8 Volt in 5 Meter distance, because the Strip has a high electric resistance. Powering both sides of one strip with 11,9 Volt, to keep the voltage higher in the strip, rises the power of one strip from 10 to 14 Watt. Even with 3.5 Watt low power and 9.9 Volt all funktions work, but ist dark.
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  • Banggood Dear customer, Thank you for your order and before even attempting to explain the reasons leading to this unintended mistake, we would like to sincerely apologize to you. In our attempt to serve you better and retain you as one of our valuable customers, please contact our customer service representatives by this link: http://www.banggood.com/Contact-Us_hi111 We would highly appreciate if you could send us all the information listed here below: 1.Some photos of the shipping label, which can be found on the external side of the package; 2.The SKU number of the products you received. You can find this information on the label placed on the item itself; 3.Some photos or video to show the entity of the problem; 4.The order number and the product ID. Looking for your kindly reply. Have a nice day. Best regards, Banggood team  

    02/06/2024
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