10 W wireless charging receiver board with flexible coil — 5 V/2 A or 9 V/1.1 A output
This is the receiver half of a wireless charging system: put it inside your device, and charge it from any standard Qi wireless charging pad. The receiver board carries a COPO CP2101 controller and outputs up to 10 W — 5 V at 2 A, or 9 V at 1.1 A with a fast-charge pad. The output is a short cable with a red (positive) and black (negative) wire, so it can be soldered straight to a battery charging board, a USB port or a power input. The coil is a flat copper spiral on a ferrite shield that blocks the magnetic field from reaching the electronics behind it; the coil itself has no polarity, so it can be connected either way round. Supplied with the large square coil shown in the photos (36 × 46 × 0.3 mm) — round and small square coils are available on request, as are 5 W and 7.5 W versions of the board. Note: this is the receiver only. You also need a Qi charging pad (transmitter), which is sold separately.
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