Types of Hand-Crank Radios
Categorized by functional integration:
Basic Emergency Model: Features only radio and flashlight functions; simple design and low price.
Multifunctional Model: Integrates features such as lighting, SOS alarms, mobile phone charging (power bank function), and card/Bluetooth playback alongside hand-crank power generation; currently the mainstream type.
Weather Alert Model: Capable of receiving weather alert frequencies (such as NOAA); suitable for disaster-prone areas and automatically broadcasts urgent weather information.
Categorized by Power Supply Method
Hand-cranked type: Generates power by turning a hand crank; independent of external power sources, making it a reliable choice for emergencies.
Solar-charging type: Features a built-in solar panel that slowly recharges the battery when exposed to light; suitable for extended outdoor use or as a backup.
Hybrid power type: Supports multiple power sources-such as hand-cranking, solar, USB, and standard dry-cell batteries-offering the greatest flexibility.

