5V 1A/2A Super Current Wireless Charging Module

Important Usage Notes

Correct Wiring

  Ensure transmitter (Tx) and receiver (Rx) are correctly connected (do not reverse polarity).

  Do not let coils touch directly—maintain 1mm~20mm gap.

Power Supply Requirements

   12V batteries (e.g., lead-acid) cannot be used directly—their voltage ranges from 12.8V~13.5V when fully charged, so a voltage regulator is required.

Input power must be higher than output (efficiency loss ≈30%).

- Example: For 10W output, input must be ≥13W (10W × 1.3).

Efficiency Consideration

Wireless power transfer has energy loss—ensure the power supply can handle the required input.

Comparison with 5V/1A Version

Lower output (5V/1A) but similar design.

Same coil size & distance requirements.

Suitable for lower-power devices.