Charge your device with circuit protection. Charge your phone that can extend the using time.
QI compatible wireless charger = transmitter +reciever
1.Transmitter: Input voltage:DC12V Input current:DC1ATransmission power:DC5WWorking frequency:100-200KhzEnergy conversion over:>68%Power distance:5mmCharging current:500-1000mACharging voltage:DC5VCharging method:more to more
2.Receiver Working frequency:100-200KhzEnergy conversion:>68%Power distance:5mmcharging current:300-500mAcharging voltage:DC5VCharging method:more to more
best quality wireless charger transmitter and reciever with QI compatible function for smartphone Samsung galaxy SIII I9300
