Source: Slashdot: Hardware
3-D printed batteries bypass the constraints of traditional manufacturing—flat cells stacked in rigid housings—allowing engineers to shape cells around device geometries and integrate them directly into products rather than bolting them on as afterthoughts. This unlocks gains in energy density and form factor flexibility that conventional mass production cannot match. Major device makers are investing despite the technology's current cost premium. The shift breaks the assumption that batteries are modular components, changing how wearables, drones, and electric vehicles get designed.