No charging required, just add water to turn on: Water can be tap water, river water, seawater, tea, or urine.

Non-toxic, harmless, safe, and environmentally friendly: Uses a salt solution electrolyte, containing no toxic or harmful substances, and is beneficial to both humans and the environment.

Maintenance-free and long-lasting: Storage life of over 10 years, zero power loss, and no maintenance required during storage.

Easy to use, reliable, and stable: Can solve urgent power needs and serve as an emergency supply reserve.