-205 KHZ. watch wireless charging parameters, frequency: 110-205 KHZ, output power: 5 VT-1 A, charging current: 1000 mA,Input power: 2 watts, transmission distance: 5-8 millilitres, efficiency conversion: 75%.
Supports wireless charging, Apple Watch uses sapphire screen, two screen sizes. Support phone, voice back text message, car connection, weather, flight information, map navigation, play music, heartbeat measurement, step counting and other dozens of functions, is a health and sports tracking device. The Apple Watch uses a MagSafe-style wireless charger. It magnetically attaches to the back of the Apple Watch and is then charged inductive.
Wireless charging is supported. The Apple Watch features a sapphire screen with two screen sizes. It supports dozens of functions such as phone call, voice response text message, car connection, weather, flight information, map navigation, music playback, heartbeat measurement, step counting, etc. It is a health and exercise tracking device. The Apple Watch uses a MagSafe-style wireless charger. It will magnetically attach to the back of the Apple Watch and charge inductive.
Yes, wireless charging is required. Apple's Apple Watch is a wireless charging method, which comes with a power adapter and a charging cable. The Apple Watch uses a MagSafe-style wireless charger and has no charging port. The charger is magnetically attracted to the back of the Apple Watch and inductive charging takes place without a charging port.
Huawei wireless charger can be used for wireless charging of Apple Watch. You only need to connect the power and put the device on the charger to contact the charging interface. Look at Huawei's wireless charger does not support the QI protocol, if it is supported, it can be charged, but it will be slower, it should be able to 5W. Apple 12 machine branchIt holds the QI wireless charging protocol and also supports the unique magsafe protocol.
1, full can be, the power is less than 10%-20% to start charging, there are no special requirements, but do not overcharge. When using the MagSafe inductive charger to charge the Apple Watch, it takes 5 hours from 0 to 80%, and 5 hours when fully charged. Of course, there are many factors that will restrict, and the above is only under normal circumstances.
2, if usedThe original charger takes about three hours to charge the AppleWatch from low to full charge. Do not turn it on again until it is charged. Because it is constantly opened, it will quickly consume power, and the lithium battery of the watch can not be over-discharged. If the battery is discharged excessively, it may be damaged. Charge the battery to at least 10% before attempting to turn it on.
3, applewatch completely out of power to charge half an hour can be turned on. If you use the original charger to charge the Apple Watch, from low to full, it will take about three hours. Don't force it on again before charging. Because you keep turning it on, it gets fasterConsumption of electricity, and the watch's lithium battery is not excessive discharge. Once the battery is over-discharged, the battery may be damaged, please charge at least 10% or more before trying to turn it on.
4, when the AppleWatch battery is exhausted, it will take about half an hour to charge it until it starts. It usually takes about 3 hours to fully charge with the original charger, but during this process, it is recommended to avoid turning it on before charging. Because frequent switching will accelerate battery consumption, and excessive discharge can cause damage to lithium batteries, it is recommended to charge the battery to at least 10% water before attempting to turn it onYes.
The root cause of the high power wireless charging problem is that the high power wireless charging on the market now relies on high current to charge, but this situation is tantamount to increasing the resistance, thereby increasing its temperature, so it is necessary to use high heat absorption and high heat dissipation materials as the outer packaging, in addition, it is necessary to reduce the resistance accordingly. This will fundamentally reduce the fever.
In addition, the heat dissipation design of the phone will also affect its temperature during wireless charging. ifThe heat dissipation system of the mobile phone is not efficient enough, or the heat dissipation port is blocked, so the mobile phone is more likely to get hot during the charging process. At the same time, the use of wireless charging for a long time or charging at high power will also exacerbate the heat of the phone. Finally, the use environment is also a factor that cannot be ignored.
Millet wireless charging is mainly relying on the electromagnetic coil scheme for energy transfer, if there are too many obstacles between the coils, it will not only affect the charging power, but also lead to the aggravating of the heating problem, so it is also recommended that you take off the heavy mobile phone case when wireless charging, so that the mobile phone "naked" in the wireless/h2>
1, wireless charger operating frequency, according to QI standard is 110-205kHz; The frequency of mobile phone communication is in the range of 0.8GHz to 2GHz (the communication system will vary, 1GHz=10^9Hz).
2, according to the Electromagnetic Radiation Protection Regulations, the average radiation absorption rate of the whole body should be less than 0.02w /kg within 24 hours a day for 6 minutes. However, there are no specific standards for wireless charging. Experts say that although traditional mobile phone chargers have national standards, the emerging wireless chargingEquipment should have national industry standards as soon as possible. The Qi wireless charging standard uses a low frequency non-ionization frequency (110-205khz) that is harmless to the human body.
3, the test found: using a high-sensitivity radiation tester, the radiation value of the wireless charger is between 150 and 180, although compared to the 250 to 627 in front of the computer screen or the thousands of values when making a phone call, but the cumulative effect may not be ignored. At the same time, when wireless chargers, mobile phones, computers and other electronic devices are used together, the radiation value will increase significantly.
4, first of all, the wireless charger on the market is notAll capable of charging the watch. Many products do not clearly label the radiation value, which is somewhat worrisome. Since the radiation standard of wireless charging technology has not yet been perfected, we need to be concerned that the current regulatory requirements, such as the Electromagnetic Radiation Protection Regulations, stipulate that the electromagnetic radiation of the user in continuous contact with the wireless charger within 24 hours shall not exceed the specific absorption rate (SAR) limit of 0.02W/kg.