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This wireless charger transmitter is a high power wireless charger. This module can be used as wireless charger for tablet PC, smart phone, Bluetooth speaker,etc.
Work Voltage ：DC 18-19 V
Wireless Output Voltage ：5V
Wireless Output Current ：1.5-2A
Wireless Output Power ：7-10W
Resonant Frequency ：140KHz
Charging efficiency ：>70%
TX to RX space ：2-6mm
Charging indicator function: When no-load state led becomes green. When charging state led becomes red.(This function can be selected)
Current protection: When input current is more than 1A, the circuit will be turned off automaticly.
Battery can be filled more than 95%.
High efficiency: can transmit 1500ma current.