Lapgrade Satellite C850, C850D, C855, C855D Series Laptop KeyboardProduct: Laptop Internal Keyboard Condition: New Layout: QWERTY (Standard) US Language: English Backlit: No Colour: Black Warranty: 3 month carry in warranty to be provided by My Laptop Spares Compatible Laptop Models: Scroll Below

cell Type: Polymer

Battery capacity: 37Wh

Capacity: 4000mAh

Features Adapter input voltage: 100-240v 50/60 hertz (worldwide compatible)

Screen size: 11

Length of the plug: 12

66 amp 50-60hz

Capacity:3650 mAh

battery damage

Product Description: Stay powered up wherever you go with the Dell Notebook Power Bank Plus - USB-C

No Physical Damage

please check the compatibility as there are two batteries that look same but are different