This ginormous Lumia 950 XL battery lasts 3 full days
(Windows Phone Central)

Have you ever wanted a really big battery for your Lumia 950 XL? Look no further than this 9300mAh power pack. If you`re still rocking a Lumia 950 XL (god bless you) but aren`t too pleased with how long your battery lasts, we might have a solution. Mugen Power, an accessory maker, happens to sell a huge internal 9,300mAh battery for the 950 XL that costs $100 (though it`s currently on sale). But be warned: It makes your Lumia 950 XL look really silly. ...