wireless power bank 4000mah            

 item：p400

   Specifications： 

Product Standard: QI
Input Voltage: DC5V
Input Current: DC1-2A
Transmission Power: DC5W
Working Frequency: 100-200Khz
Energy Conversion: 70%>
Power Distance: 2-6MM
Charging Current: 500-1000mAh    (Supply RX)
Charging Voltage: DC5V           (RX Output Voltage)
Product Dimension: 143*75*9mm                                                                          Packing Dimension: 161*90*56mm
Weight: 300g (No Adapter)
Charging Method: One-to-one
Place of Origin: China
Time to Market: Already listed  

our company major in wireless charger for years in China. we sales not only products but aslo the PCBA of wireless charger.
if ur want to assembly the wireless charging function to ur production, pls let me know.
Skype:yang.geogre
E:aokegeorge@outlook.com