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Introduction of electromagnetic induction wireless power supply

       Electromagnetic induction wireless power supply principle: current through the coil, the coil generates magnetic field, the nearby coil induction electromotive force, generate current
       Electromagnetic induction wireless power supply transmission power: several W-5W
Transmission distance of electromagnetic induction wireless power supply: several mm - several cm
       Frequency range: 22khz
       Electromagnetic induction wireless power supply charging efficiency: 80%
       Advantages of electromagnetic induction wireless power supply: suitable for short distance charging; High conversion efficiency
       Limitation of electromagnetic induction wireless power supply: charging can only be done in a specific place; Metal induction contact will generate heat