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What is the difference between 5V1A and 18W PD of iPhone?

Author:Sinodec Industrial Co., Ltd. Click: Time:2022-03-21 15:40:24

Although from the iPhone 8 series, Apple has added a fast charge function to the iPhone, but the included 5V1A charger has become the last stumbling block for the iPhone to embrace "fast charge."  As a Chinese manufacturer specializing in the production of USB data cable, Sinodec Industrial Co., ltd.  has been providing USB charger cable to meet the needs of different customers.  Apple's original 5V 1A charger in each iPhone package, the maximum output power is only 5W, far less than the power requirements of the iPhone 18W fast charge, the original charger can not meet the demand for fast charge, wasting a lot of users  Charging time.


Of course, some people know that the iPhone supports fast charging, but for a variety of reasons, the original 5V 1A charger is still used, for example: 1. “I don’t know how fast the fast charge is, I think 5V 1A can cope with the past”; 2. "Fear that fast charging will shorten the battery life of the iPhone"; 3. “Because of the current price of fast chargers and USB-C data lines on the market, do not want to invest extra costs”; 4, "Think that the fast charge charger does not have the original charger portable, it is difficult to carry with you"; 5,... Let's talk about the difference between 5W and 18W PD fast charge. How much faster is 18W fast charging?  , 18W PD fast charge is really fast, but it depends on how you understand.


I used the original 5W charger and 18W PD charger to charge the iPhone XS Max, and got the following charging conclusions. From the test data, the gap between fast charge and slow charge is particularly obvious in the charging phase of 0%-50%. It takes about 90 minutes to use the original 5W charger of Apple to fill the iPhone XS Max with 50% of the power.  The 18W PD charger takes only 30 minutes, and spending less than an hour is the biggest reason for fast charging. Because from 0%-100% full charge, 18W fast charge also takes nearly 140 minutes, and there is no faster than 5W slow charge of 200 minutes. The reason for this phenomenon is mainly due to the mechanism of lithium battery.  : When the battery reaches 90%, it will enter the “Trickle Charge” mode, and the charging speed will be slowed down to protect the battery.  From the test data, after the 18W PD charger charges about 90% of the iPhone XS Max, the last 10% charge is slowed down a lot. So to fully play the ability to fast charge, it is also a "small number of times": you don't have to pursue the iPhone to fully charge each time you charge, so you will save the "trickle charging" time from 80% to 100%.  Maximize the speed of fast charging.


Sinodec Industrial Co., Ltd.

Professional USB cables, USB chargers factory, CE, ROHS, UL, FCC compliant, Since 2003

TEL: +86(755)88843117/FAX:+86(755)26477727

WeChat: Lovefancy0109

GSM/WhatsApp: +86 137 9849 0109

Skype: fancy.wwm

sinodec@sinodec.com

www.sinodec.com

Address :  NO.1068, Bao'an Road, Xin'An Street, Bao'an District, Shenzhen, Guangdong, Province, China

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