From February 18, 2027, the European Union will force phone, tablet and cordless phone makers to design batteries that users can remove and swap without harming the device or the cell itself. Batteries must come out using common tools—or none at all—and any special tool a company insists on has to ship free with the product. That rule aims to end today’s sealed, glued designs that push most repairs into authorized service centers. The regulation spells out who counts as an end user: any adult without technical training. Companies can’t lock battery changes behind proprietary gear or skills. In niches like light electric transport, independent pros may handle swaps, but manufacturers still must offer needed tools at fair prices. Beyond repair, the rule covers battery handling and disposal, pushing spent units into proper recycling and treatment channels. Though this rule applies only in the EU, phone makers rarely build distinct versions for each region. Think back to the EU’s USB-C mandate—manufacturers quickly rolled it out worldwide and India followed with its own law. The same pattern could play out here. By 2027, most new handsets sold in Asia, Africa or the Americas might let you pop out a worn battery and snap in a fresh one yourself.