Used the unit for less than a month, did find it making a positive improvement, but I am no longer using have the equipment that takes it outputs. Unit has no scuff, no problems, and will come with original packaging + accessories.

https://www.amazon.com/dp/B07VRS6PLT?psc=1&ref=ppx_yo2ov_dt_b_product_details

Will throw in also throw Belker Universal 5V DC Power Cable USB to DC 5.5 2.1 mm Plug Connector Tip Charging Cord
https://www.amazon.com/dp/B09DCL56XM?psc=1&ref=ppx_yo2ov_dt_b_product_details

PM me if interested, will add some pictures. I will pay for shipping if its reasonable.