If your Windows 11 laptop’s battery life feels shorter than it should, the usual advice—dim the screen, close background apps, choose a power‑efficient mode—helps, but it may not be the whole story; one often‑overlooked background system, the Windows Search Indexer, can silently chew CPU, disk I/O and RAM and meaningfully shorten runtime. The good news is that the indexer is controllable: you can tune, pause, or disable it when you need maximum battery life, and then restore it when you’re...