Battery‑powered UAV Detector Removable Li‑ion Battery Up To 8h Runtime For Outdoor Missions 1, Overview KZ‑12 (E) Built for remote sites without mains power supply, this drone detector uses a swappable 7.4V 2800mAh lithium battery. A full charge supports up to 8 hours of continuous spectrum sensing. The standard Type‑C port enables convenient field charging. The modular battery can be replaced rapidly without tools, and low‑power hardware tuning ensures stable performance