Dell 4.5 mm, 7.4 mm barrel Laptop Power Bank Plus 65 Wh,18000 mAh, pw7015l
Dell 4.5 mm/7.4 mm barrel Laptop Power Bank Plus 65 Wh - 18,000 mAh, 2 x 4 pin USB Type A--https://www.dell.com/en-uk/shop/dell-45-mm-74-mm-barrel-laptop-power-bank-plus-65-wh-pw7015l/apd/451-bbmv/pc-accessories
