Special‑purpose Solid‑state Emergency Power Supply is built with high‑safety solid‑state battery cells and packed in a portable trolley protective case. It delivers high energy density, wide‑temperature working range and strong shock resistance. With excellent waterproof and dustproof performance, it can be quickly transported and deployed for field work and emergency rescue.It provides multi‑specification AC and DC power output to supply stable, long‑lasting energy for communication gear, medical devices and field equipment.