https://www.theregister.co.uk/2019/08/07/surface_bulging_batteries_and_borked_firmware/ > Microsoft seems unable to catch a break with its Surface slab-tops: a software update appears to have broken Wi-Fi for some users, while bulging batteries cause grief for others. > The bulging of batteries is not an unheard of thing. As devices become ever less repairable and manufacturers strive to slice that extra half millimetre from a slab's thickness, battery technology has struggled to keep pace, and there comes a time when something has to give.