Item Name: 10W Qi Fast Charging Wireless Charger PCBA Circuit 2021 With Board Coil. Product Description10W Qi Fast Charging Wireless Charger PCBA Circuit 2021 With Board CoilFunction parameter description:1. Input voltage: DC9V1.5~2A, if the voltage exceeds this range, it will alarm and stop charging2. Output voltage: 9V0.1V3. Charging current: 1A to 2A4. Charging power: up to 10W compatible with 7.5W5. Conversion efficiency: greater than 73% with foreign body detection6. Transmission distance: maximum 10mm, the recommended distance between receiving and sending is 2mm~4mm7. Standby power consumption: average power consumption is less than 50mW8. Over-temperature protection: when the temperature is higher than 60 during charging, the charging will be automatically stopped for 1 minute, and then recharge after the temperature drops.9. Overcurrent protection: When the output current is greater than 2A during charging, the charging will be automatically stopped to prevent damage to the charger10. Executive standard: Qi wireless charging standard11. Product certification: CE/FCC, compatible with QI certification standards12. Working frequency: 110- 205KHZ13. Weight: 90 grams14. Indicator light: blue light when charging, green light when fully charged, flashing alternately when malfunctionPackage included:1 x Wireless Charger Transmitter Module Coil PCBA Circuit Board