Portable Power Storage, a mobile power station in the palm of your hand

As city girl Xiaoya pulled out her induction cooker to make hot coffee at a Tibetan pass at an altitude of 4,500 meters, the black metal box in her backpack quietly released energy—this wasn't some magical Doraemon gadget, but a new generation of Portable Power Storage, a "super power bank" that fits in carry-on luggage.

These boxy metal boxes are essentially smart stewards for high-density lithium-ion battery packs. Unlike traditional power banks, they can directly power high-power appliances exceeding 1,000 watts: an induction cooker for two hours, a projector for six movies, and even an electric car for an emergency 15-kilometer boost. The secret lies in its "triple-function" system: the photovoltaic panels act as "energy collectors" during charging, the inverter module converts DC power into household AC power, and the BMS (battery management system) acts as a meticulous sentry, monitoring temperature and voltage 24/7 to prevent the risk of explosion.

"It allows seamless transitions between the wilderness and the living room," exclaimed outdoor expert Lao Chen during desert testing. The Portable Power Storage weighs only about 5.8 kilograms, yet it holds 1.5 kWh of electricity—enough for a family of three camping trips for three days. Even more surprising is its lifespan: after 2,000 charge and discharge cycles, it still retains 80% of its capacity, equivalent to nearly three years of use with twice-daily use.

Intelligent technology is making energy management even simpler. Its mobile app-based remote control, three simultaneous power outputs, and automatic power-off at high temperatures make it easy for even tech novices to master it. At a flood rescue site in Henan, a rescue team used six power boxes to form a makeshift charging station. Team leader Zhang Qiang pointed to the flashing LED screen and said, "This small box can charge lifeboat motors, medical equipment, and 200 mobile phones simultaneously—it's like half a generator!"

From polar expeditions to night market stalls, from RV travel to household emergencies, this "energy box" in the palm of your hand is rewriting the rules of electricity use. As night falls, warm lights light up in the tent and the aroma of burnt bread wafts from the toaster. The wires that once bound humanity are being stored in a metal box. Portable Power Storage allows humans to summon light at any time.