Hello Mzzchif,

I have checked it is heavy size adapter from dell, found it at singapore website. They are selling it with 1 year warranty please check- https://www.electronicscrazy.sg/dell-19.5v-10.8a-210w-7.45.0mm-dell-precision-m6400-precision-m6500/

Thanks

Heyy Mzzchif, This model works well. Dell Notebook Power Bank Plus USB C 65Wh, Part Number: 450-AHBO. It's the World’s first notebook power bank to charge the widest range of USB-C laptops, as well as mobile devices. May get it from this site - https://sourceit.com.sg/products/dell-notebook-power-bank-plus-usb-c-65wh