April 17, 2023

Qi standard wireless charging receiver, directly charges a 4.2V lithium ion cell

Qi receiver circuit

Quantity	1-9	10-99	100+
Qi charging circuit	$15.39	$11.10	$9.97

This Qi receiver is different than others on the market, since it sources 4.2V instead of 5V. This lets it charge a lithium ion or lithium polymer cell directly.

Specifications
Antenna Size	32x48 mm	Including the backing shield sheet
	30x42 mm	Antenna only
Circuit board size	2x 18 x 31 mm
Connecting wire length	20 mm
Charge current	200-600mA maximum	Depends on the distance from the Qi transmitter and the battery state of charge and voltage
LED		LED indicates charging
Transmitter distance	1-4 mm	Transmitter can be up to 25mm away with reduced charge current

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