1, according to the output power classification, the charger has 12AH, 20AH, 32AHThese three kinds. According to the composition of the classification, can be divided into transformer type, thyristor type, switching power supply type. Now popular is thyristor transformer, this transformer low cost, large current, small size, light weight and other advantages.
2, the type of charger is lead-acid battery charger, lithium-ion battery charger, mobile phone and other electronic equipment charger and car charger. Lead-acid battery charger. Acid battery charger designed for small lead-acid battery charger, input wide voltage AC100-240V, the product uses three-stage charging, excellent quality, good performance, high charging saturation, can improve the batteryThe service life. Lithium-ion battery charger.
3, the types of mobile phone chargers are classified according to the way of use travel charger: This type of charger is small, easy to carry, and can be charged for removable batteries. But with the popularity of non-removable batteries, such chargers are gradually decreasing. Seat charger: unique appearance, novel and beautiful, easy to carry, and built-in intelligent identification circuit, can automatically convert the charger output polarity to apply to the positive and negative battery, charging effect is the best.
4, seat charger: easy to carry, easy to use, but now on the market seat charger productsMany brands, uneven quality, purchase should pay more attention. Travel charger: relatively small size, easy to carry, purchase should also pay more attention to its quality is safe, this travel charger is generally designed with anti-overload protection circuit.
5, the types of mobile phone chargers are easy to carry, easy to use, has been welcomed by users, but now the market of the charger brand, the quality is uneven, should pay more attention to purchase. The following matters should be noted when purchasing: (1) weight. In general, the heavier the charger, the electronic element used by the chargerPlug the electric head into the power supply. Place the charging base on the table, with the phone's screen facing up in the center of the charging base. After the phone is placed on the charging base for a few seconds, there is a "drip" sound, indicating the start of charging. Huawei mate40pro uses the standard 66W wired fast charge, which can be filled 76% in 30 minutes and fully filled in 49 minutes.
3, should be no problem! Huawei wireless charger supports a variety of charging protocols such as qi, so it can support Apple's wireless charging function, but limited by Apple's wireless charging power is not large, so it is relatively slow Huawei wireless charging can charge AppleIf xs is used for a short time, there is no problem, if it is used frequently, it is recommended to buy an original version.
Apple admitted that JD own stores. At present, Apple Jingdong flagship store is authorized by Apple, both mobile phones and accessories are directly provided by Apple, you can choose with peace of mind. However, it is still recommended to buy in the physical flagship store, which is generally authorized by the manufacturer or the manufacturer directly. Apple's official website has updated the list of Apple's authorized online resellers, and JD.com's name appears on the list.It indicates that Jingdong has officially become an online distributor authorized by Apple.
Apple admitted that JD own stores. In addition to all officially authorized offline flagship stores, Apple also authorized three self-operated flagship stores in Jingdong Suning and Tmall, which are officially authorized by Apple. Jingdong self-operated store is Apple's official authorized distributor, supplied by Apple's official authorized supplier, which means that there may be insufficient supply.
Apple acknowledges that buying Apple from JD.COM's authorized store is reliable. Apple's official website has updated the list of authorized online distributors of Apple, Jingdong and Jingdong. COMThe presence of JD.COM's name on the list indicates that JD.com is officially an online distributor authorized directly by Apple. Go to an authorized store and buy apples. Apple's requirements for authorized store logos are extremely strict, and can only be subject to the name of the distributor company.
Jingdong Apple Store is genuine I can confirm that all products sold in Jingdong Apple Store are genuine. Here are a few things to look out for that can help you make sure you're buying genuine Apple products.
Yes. Official authorization: Apple Jingdong flagship store is an official authorized store of Apple Inc., and has the right to sell Apple IncAnd must comply with Apple's regulations and standards. Strict supply chain management: Apple has a very strict management and control of the product supply chain, from the procurement of parts to the assembly and testing of the final product, there is a complete set of processes and standards to ensure the quality and authenticity of the product.
iphone12 does not ship chargers. Apple has announced that none of the four iPhone12 models will come with a complimentary headset or power adapter. The new product packaging includes only handsMachine and lightning charging cable. In a statement, Apple said: "In order to meet our environmental goals, iPhone1iPhone12mini, iPhone12Pro and iPhone12ProMax no longer come with power adapters and EarPods.
The iPhone12 does not have a charging head, you need to buy it separately. There are currently several rechargeable models available on Apple's website. There are 5W, 12W, 18W, 20W, 30W chargers that can be used to charge the iPhone12. Official adviceUse fast charging to use charging heads above 20w. Therefore, under normal circumstances, the fast charge is 20W charging head.
Apple's explanation is that there is no charger inside the box of the iPhone12, which can reduce carbon emissions and avoid the mining and use of valuable materials. However, it is worth noting that only last year's iPhone11Pro and iPhone11ProMax two models give USB-C chargers, and all previous chargers are 5V1A USB-A interfaces, which leads to many old iPhone users may need moreBuy a new charger outside.