Introduction Recently, we conducted a charging review of the IKEA SJÖMÄRKE wireless charger and found that it can draw nearly 15W but only provides a wireless output power of 5W. Although this may seem inefficient at first glance, it actually makes sense because its usage range is much larger than that of a normal wireless … Continue reading Teardown of IKEA SJÖMÄRKE Wireless Charger (E2018SJÖMÄRKE)