Before diving into Quicksilver, a quick refresher. The kernel is the lowest level of software on your phone. It acts as a translator between the hardware (CPU, GPU, RAM) and the operating system (Android).
Quicksilver includes a curated list of wakelock blockers (e.g., IPA_WS , qcom_rx_wakelock ). These prevent the phone from waking up unnecessarily during deep sleep, drastically improving idle battery drain. Users report losing only 1-2% battery overnight (8 hours). Quicksilver Kernel Redmi Note 8