High-power wireless charging devices are prohibited mainly because they interfere too much with wireless signals. At present, wireless charging technology is very mature and stable, and there is no problem in security, but due to the amplification of power, it will bring some unexpected troubles to production and consumption in terms of signal interference.
W above the wireless charging interference to the wireless signal is too large, will bring a production and consumptionSome unexpected disturbance, so banned by the state. The 25W power output of the charging bank is suitable for charging small devices such as smartphones, tablets and headphones.
Wireless charger with 100w charging head can be. Depending on what type of charger the wireless charger is, the general 100w charger supports 100w to 120w charging head.
Because of the realization of long-distance high-power wireless magnetoelectric conversion, the energy consumption of the equipment is high. As the distance and power of wireless charging devices increase, the loss of idle work will be greater. The wireless charging technology equipment itself realizes the secondary energy conversion
The purpose of Huawei to do so is to bring users a better purchasing experience Huawei customer service response mobile phone cancellation charger Yesterday, it was reported that Huawei cancelled the charger of some mobile phones, reducing the price by 200 yuan. As for why this measure should be implemented, people close to Huawei said that not only is there a serious shortage of mobile phone chips, but charging IC chips are also out of stock on a large scale, and there is no choice but to join the chargeDevice and data line camp.
If the customer needs to spend 200 yuan to buy, many people asked Huawei customer service on this matter, the official response is: there is no relevant information to buy the charger separately, but also said that it is not sure whether the offline store you go to buy is an official authorized experience store. The official version of the official version has actually explained that Huawei's mobile phone is now issued with a charger, and the network version is untrue.
Improve the user experience The final reason is to improve the user experience. Huawei says it will provide more personalized services to usersAnd choices. Users can choose whether to buy a charger according to their needs, and can also choose different brands of chargers. In this way, the user's choice space is larger, but also more in line with individual needs. In general, Huawei mobile phones no longer come with chargers for the consideration of environmental protection, cost control and improving user experience.
And the official customer service is also given a response, which is to meet the needs of different consumers to develop, will introduce no charger and data cable purchase options.
Just recently, the network also began to rumor that Huawei mobile phones have also begun to cancel chargers, and as compensation for some handsThe machine will also be reduced by 200 yuan to give customers freedom of choice. In response to this information, Huawei customer service said that it has not received the relevant notice to cancel the charger and data cable, and the mobile phones on sale are equipped with chargers and data cables.
There is a certain reason why some Huawei mobile phones cancel the charger data cable. In the Apple 12 series released by Apple in October 2020, the charging head is canceled and only one data cable is sent. The explanation given by Apple is that many users already have a charging head, and it is also a waste to give the charging head, in order to protect the environment, so it decided to release the new handCharging head is no longer provided.
Today, there is news that a new wireless charger appears on the Federal Communications Commission website, which is expected to be launched with the Samsung Galaxy Note10 series, but the power is still 15W. However, although the speed of wireless charging of Samsung Galaxy Note10 may be improved, it has been reported that Samsung will be standard 2 in the Galaxy Note10 series5W wired fast charging head.
Shutdown charging test. Replace the charging position and eliminate the intermittently caused by poor contact of the socket. If conditions allow to replace the standby charger for testing or repair testing, it is recommended to test after uninstallation when charging, such as the mobile phone is equipped with a third-party plug-in such as a charging doctor.
It is recommended to try as follows: Turn off the device or its screen while charging. Check whether the original charger and charging cable are used. If not, please replace the original parts. Check whether the charging cable and the charging head are plugged into the end. If they are not fully inserted, the fast charging effect cannot be achieved. RuquestionThe problem still exists, please bring the purchase invoice, repair card and machine to Samsung service center for inspection. Previous reports have indicated that the Samsung Galaxy Note 10 will come with a 25W wired charger, but the wireless charger will remain at 15W, which is confirmed by the FCC certified EP-N5200 model.
At this stage, the efficiency of wireless chargers is not high, charging is not fast, basically no charging speed more than 5A, and wired is not comparable, most of them are between 0.5 and 1A.
1. For example, the automatic replenishment of the vehicle after the Tesla model turns on FSD and arrives at the destination; Unmanned buses, express vehicles, etc., can also be completely unmanned management; Or you do not have time to find a charging pile for your car, you can send the vehicle to find its own wireless charging pile "foraging"; Wireless charging can also solve the problem that many vehicle charging plugs are not shared at present, just like mobile phones, cars, SUVs, trucks and other different types of different brandsThe vehicles can all be charged using the same charging pad.
2. First of all, Tesla's wireless charging technology uses the principle of electromagnetic induction. The technology transmits energy through special electromagnetic fields, allowing Tesla cars to charge themselves when parked. This technology is not only efficient, but can also greatly reduce charging time. Secondly, the wireless charging technology of Tesla cars also has the characteristics of intelligence. 3. According to media reports, Tesla recently launched a $300 "wireless charging platform" that can charge up to three devices simultaneously. This wireless charging pad can beEach device that supports the Qi wireless charging protocol offers up to 15 watts of charging power, including iPhone, Android or AirPods headphones. According to Tesla's official website, the charging pad has been opened for pre-sale and will begin shipping in February 2023.
Power 5W charging slowly wireless charging has more difficult to break throughAt present, most wireless chargers on the market are 5W versions. Xiaomi wireless charger adopts Qi specification, which is the current common wireless charging specification for mobile phones, and even the iPhone X can be charged. However, most wireless charging is now a 5W version, and the charging speed is certainly not as fast as wired charging, let alone fast charging such as QC.
Xiaomi's free charger can charge the iPhoneXSMax. On the afternoon of March 27, 2018, Xiaomi released the Xiaomi Wireless charger at the new product launch conference. The Xiaomi wireless charger is one of the products released by XiaomiWireless charging products. Adopt 5W universal charging, 5WQi wireless fast charging. In addition to charging the Mi Mix2S, the Mi wireless charger is also compatible with mobile devices that comply with the Qi wireless charging standard.
Xiaomi wireless charger is a portable charging device that can be used for wireless charging of various models of mobile phones. The use method is very simple, you only need to turn on the charger, place the phone that needs to be charged on the charger, and the phone can start wireless charging. It should be noted that the Xiaomi wireless charger supports the Qi wireless charging protocol, so only the hands that support the Qi protocolThe machine can be charged wirelessly.
On the afternoon of March 27, millet's new product conference released the millet wireless charger. Xiaomi wireless charger is a wireless charging product released by Xiaomi. Adopt 5W general charge and 5W Qi wireless fast charge. In addition to charging the Mi MIX 2S, the Mi wireless charger can also be compatible with mobile devices that meet the Qi wireless charging standard. iPhone built-in lithium-ion rechargeable battery, support wireless charging function, suitable for all kinds of Qi chargers.
The iPhone 11 supports wireless charging. The iPhone11 has built-in wireless charging in its glass bodyCoil, support wireless charging function. Apple uses the Qi wireless charging standard, which means the new iPhone can be charged wirelessly using any QI-certified inductive charger. However, the wireless charger for the iPhone11 needs to be purchased separately. It is divided into 5W and 5W two wireless charging accessories, but 5W charging speed is faster.