Protection functions: Anti-reverse charging, magnetic field, short circuit, constant current, voltage stabilization, over-discharge, overcharge.

* Four-in-one design, integrating vehicle emergency startup, inflation pump, portable power source, and emergency lighting, suitable for various application scenarios.

* Equipped with intelligent battery clips to prevent reverse charging, short circuit, reverse connection, overcurrent, over-discharge, and other issues, making operation safer.

* Dual USB outputs, multi-purpose use, compatible with multiple devices for charging.