The multifunctional hand-crank flashlight aims to provide a hand-crank flashlight with simple circuit structure, convenience and practicality, and multiple functions. Some are also called hand-cranked self-generating flashlights. They use a high-power three-phase alternator to generate electricity by hand. The built-in rechargeable battery is charged through the switching power supply circuit. It can be used for emergency lighting, and can also be used as a flashlight. Emergency charging of mobile phones or digital products.
Chinese name: Multifunctional hand-crank torch
Pros: Eco-friendly design
How to use: hand crank
Scope of use: emergency use
Power generation principle: high-power three-phase alternator hand-cranked power generation