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SWAPAN 2018-07-24 02:37:07
I required only for 5 V UPS. First of all without the operation manual, we can't operate the mode selection push bottom. The charging/discharging functions are working properly, but at the time of 5V input power fails the output voltage is also disappearing. Then how then the UPS will act properly?? The un-interrupted power supply is not working properly. Please discuss, if we have done any mistake to set-up the mode selection switch. Otherwise the UPS is useless.
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  • Banggood Dear SWAPAN, Thanks for choosing Banggood and sorry for your any inconvenience came up with the product. We are very sorry to tell you that we don't have detailed instructions for this product. Thank you for your feedback and we will update our supplier on this need to make improvement to our products. If you need any technical supports, please contact us:http://www.banggood.com/Contact-Us_hi111. We will help you solve the problem as soon as possible. Best regards, Banggood Team

    2020-12-04 03:01:37
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