1. Your phone battery isn’t changing anytime soon All mobile phones — and most personal electronics and electric vehicles — use lithium-ion (li-ion) rechargeable batteries. It’s a tough slog to create batteries that last longer, because battery technology hasn’t changed in decades. Instead, much of the recent progress in battery life has come from power-saving features … Continue reading 4 Truths about your phone’s battery life: Overcharging, overheating, fast charging