preface
Previously, Xiaomi released the Xiaomi 67W desktop fast charging socket ProEquipped with two new national standard five-hole jacks, a two-hole jack and 2C1A1HDMI, a total of four ports, not only supports up to 67W fast charging, the rest of the interfaces also support data transmission and video expansion The function is impressive, however, it will be a little redundant for some friends who do not need HDMI interface.
This time,The charging head network got Xiaomi67W desktop fast charging socket,Compared with the Pro version,Directly replace the HDMI interface with a more practical USB-A interface,Charging performance is further improved,Let's take a look at the actual performance of Xiaomi67W desktop fast charging socket。
Unboxing introduction
The front of the box is printed with a three-dimensional appearance of the socket, and the product name "Xiaomi 67W Desktop Fast Charging Socket" and Xiaomi LOGO are printed on the top.
On the back is printed the selling points of the product (67W Max fast charging, 3* power jack, gallium nitride technology) and detailed parameter information.
Close-up of product parameters, let's go to the physical display link in detail.
The package contains the Xiaomi 67W desktop fast charging socket and the instruction manual.
The Xiaomi 67W desktop fast charging socket is designed in an all-black long columnar shape, using high-temperature flame-retardant materials, and comes with a three-pin plug power cord, which can be grounded and used safer.
The connection between the side cable and the fuselage is protected by a rubber sleeve.
The top is equipped with a national standard two-pin jack.
There is also an indicator light on the top side near the USB port, and the indicator light will light up blue and white after power-on, which is convenient for users to distinguish whether it is powered on or not, which is a very intimate design.
The casing on one side of the fuselage is printed with the words "67W GaN" and is equipped with a 5-hole socket.
There is also a 5-pin socket on one side of the fuselage.
The AC socket has a built-in safety door to prevent foreign objects from being inserted into a single hole and ensure the safety of electrical use.
Product parameter information is printed on the bottom of the fuselage.
Close-up of the parameters of Xiaomi's 67W desktop fast charging socket, the product has passed the CCC safety certification.
Product Name: Extension Cord Socket (with Power Adapter)
Model:XMCDZ-02QM;
技术参数：2500W MAX，10A MAX，250V~；
USB模块输入:200-240V~,50Hz,1A MAX;
Single-port output:
USB-C1/USB-C2:5V/3A,9V/3A,11V/6.1A,12V/3A,15V/3A,20V/3.35A 67W MAX;
USB-A1/USB-A2:5V/3A,9V/3A,10V/2.25A,12V/1.5A 22.5W MAX;
Dual Port Output:
USB-C1+USB-C2：（45W MAX+ 20W MAX）/（20W MAX+ 45W MAX）；
USB-C1+USB-A1/USB-A2：45W MAX+18W MAX；
USB-C2+USB-A1/USB-A2：5V/3A 15MAX
USB-A1+USB-A2：5V/3A 15MAX
Three-port output:
USB-C1+(USB-C2+ USB-A1/USB-A2)：45W MAX+ (总计 5V/3A 15MAX)；
USB-C1+(USB-A1+USB-A2)：45W MAX+ (总计 5V/3A 15MAX)；
USB-C1+USB-A1+USB-A2：总计 5V/3A 15MAX
Total output of four ports:
USB-C1+（USB-C2+ USB-A1+USB-A2）：45W MAX+ (总计 5V/3A 15MAX)；
USB输出总功率:67W MAX;
Manufacturer: Qingmi (Beijing) Technology Co., Ltd.
The front end of the fuselage is equipped with 2C2A four USB interfaces, and the C1 and C2 female ports are orange, and the power is marked above each interface.
The plug of the Xiaomi 67W desktop fast charging socket is printed with the "xiaomi" brand in English, the input specification is 10A 250V~, and it has passed the CCC certification.
The measured power cord length is about 1.40 meters.
The length of the Xiaomi 67W desktop fast charging socket is about 105.09mm.
The width is about 46.47mm.
The thickness is about 42.10mm.
The total weight of the product is about 328.8g.
The size of the socket body in the hand is intuitively felt.
Protocol testing
The protocol test module mainly tests the complete fast charging protocol of the charger, and users can match the output device according to the specific protocol, so as to obtain a better fast charging experience.
使用POWER-Z KM003C测得USB-C1口支持QC3.0、FCP、AFC、PD3.0、QC5、DCP、Apple 2.4A和PPS充电协议。
PDO报文显示USB-C1口还具备5V3A、9V3A、12V3A、15V3A、20V3.25A五组固定电压档位和5-11V5A、5-20V3.25A两组PPS电压档。
使用POWER-Z KM003C测得USB-C2口支持QC3.0、FCP、AFC、PD3.0、QC5、DCP、Apple 2.4A和PPS充电协议。
PDO报文显示USB-C2口具备5V3A、9V3A、12V3A、15V3A、20V3.25A五组固定电压档位和5-11V5A、5-20V3.25A两组PPS电压档。
测得USB-A1口支持QC3.0、FCP、AFC、DCP充电协议。
测得USB-A2口支持QC3.0、FCP、AFC、DCP充电协议。
Product testing
Next, let's take a look at the specific experience of using Xiaomi's 67W desktop fast charging socket. The charging head network will take you to understand this socket in an all-round way from the aspects of charging compatibility test and charging whole process test.
Compatibility testing
The compatibility test link can clearly know the charging situation of the multi-function socket for each device, and the charging head network will use the USB ports of dozens of models with multi-function sockets for testing, presenting real test data for readers.
USB-C1/A2
Connect the Huawei MateBook to the USB-C1 port of the Xiaomi 67W desktop fast charging socket via a C to C cable, and use the POWER-Z KM003C tester to read the current input power as 19.66V 3.14A 61.79W.
Connect the Xiaomi Mi 14 Ultra to the USB-C1 port of the Xiaomi 67W desktop fast charging socket via a C to C cable, and use the POWER-Z KM003C tester to read the current input power to 18.60V 3.32A 61.75W.
Making the data into a table, it can be seen that the USB-C1 interface of Xiaomi's 67W desktop fast charging socket can shake hands with 9V voltage for most mobile phones of various brands, and 17V voltage can be shaken for Xiaomi's own mobile phones and mobile phones with good PPS compatibility, and the charging power is higher; Some tablets, gaming handhelds, and laptops can shake hands with 15V or 20V.
Plotting the charging power data as a histogram, you can see that the highest charging power is the Lenovo Legion Go gaming handheld, with a power of 62.26W, which can provide fast charging of more than 15W for most mainstream mobile phones, while for tablets, laptops and gaming handhelds, most of them can reach the highest charging power of the terminal device itself or the socket.
USB-A1/A2
Connect the Xiaomi 14 Ultra to the USB-A port of the Xiaomi 67W desktop fast charging socket through the A to C cable, and use the POWER-Z KM003C tester to read that the current input power of the mobile phone is 8.20V 2.24A 18.39W.
The compatibility test data is summarized, and most of the mobile phone devices are measured at the 9V voltage level, and the port can provide a maximum charging power of about 18W.
Plotting the charging power data as a histogram, you can see that most mobile phones can maintain above 10W.
Multi-port simultaneous charging test
The above test of the single-port output of Xiaomi's 67W desktop fast charging socket, and the specific distribution of power when multiple ports are output at the same time, it also needs to be tested in practice.
The USB-C1 and C2 ports of the socket can charge a laptop and a mobile phone, and the measured input power is 42.99W and 14.81W, which is basically in line with the nominal 45W+20W.
Charge laptops and mobile phones through the USB-C1, C2, and USB-A1 ports of the socket, and the input power of the measured device is 43.22W, 8.03W, and 6.86W.
The USB-C1, C2, USB-A1, and A2 ports of the socket can charge laptops and mobile phone devices, and the input power of the measured device is 43.23W, 2.51W, 6.86W, and 7.04W.
Charging is tested throughout the process
Xiaomi 67W desktop fast charging socket evaluation The maximum output power is 67W, in terms of test equipment, the charging head network selected Xiaomi 14 Ultra as the test object, and placed the Xiaomi 67W desktop fast charging socket evaluation and Xiaomi 14 Ultra in a 25°C incubator, and turned on the power supply, the test results are as follows.
After the power is turned on, the handshake voltage is 19V, and the power reaches about 64W in the first 1 minute and 24 seconds; Then the power drops to about 43W and continues to charge until the 6th minute; Then the power drops again to 29-33W and continues to charge for 36 minutes; The power then decreases until it is fully charged, and the charging process takes about 53 minutes.
Drawing a line chart, it can be seen that the Xiaomi 67W desktop fast charging socket reviews the Xiaomi Mi 14 Ultra in 20 minutes to charge to 50%, 34 minutes to 80%, and 53 minutes to 100%.
Xiaomi Mi 67W Desktop Quick Charging Socket Review and MacBook Air M3 in a 25°C incubator with a power supply on, the test results are as follows.
After the power is turned on, the handshake voltage is 20V, and the power reaches about 62W in the first 23 minutes; Then the power drops to around 58W and continues to charge until the 31st minute; The power then drops to 42W and continues to charge for 46 minutes. Then the power drops again to 27W and continues to charge for 1 hour and 8 minutes; The power then drops until it is fully charged, and the charging process takes about 2 hours and 7 minutes.
Drawing a line chart, it can be seen that the Xiaomi 67W desktop fast charging socket took 29 minutes to charge the MacBook Air M3 to 50%, 58 minutes to 80%, and 2 hours and 7 minutes to 100%.
No-load power consumption test
Whether the charger will waste electricity when it is not in use when it is plugged into the socket, and how much power will be lost, is a question in the minds of many readers, and the standby power consumption link is to answer this question. Plug the charger into the socket of the Betsge power meter and read the data on the power meter, the test result is as follows.
After the power meter test, the no-load power consumption of the charger to turn off the switch at 220V 50Hz voltage is 0.23W, which translates to about 2.01KW·h of power loss in a year, and if the market price is 0.6 yuan/KW·h, the electricity cost of the charger is about 1.2 yuan a year.
brief summary
After the above no-load power consumption test, Xiaomi 67W desktop fast charging socket evaluation is not used when plugged into the socket in a 220V 50Hz voltage environment, and the electricity cost consumed in a year is about 1.2 yuan, and it is recommended to turn off the switch when the socket is not in use.
Conversion efficiency test
A charger is essentially a conversion device, and there is a loss in the process, which is emitted in the form of heat; The charger tends to draw more power from the socket than the charger labels; The Xiaomi 67W desktop fast charging socket was evaluated for conversion efficiency under the condition of 220V 50Hz AC input, and the following picture is the test result.
Let's take a look at the conversion efficiency under 220V 50Hz voltage, the overall conversion efficiency is between 86.61-93.51%; Among them, the highest conversion efficiency is the 20V3.25A level, with a conversion efficiency of 93.51%; The lowest conversion efficiency is the 5V3A gear, with a conversion efficiency of 86.61%.
Overall, the conversion efficiency of the Xiaomi 67W desktop fast charging socket under the two types of voltages is at the mainstream level among similar chargers, and the performance is excellent.
Ripple test
Due to the switching power supply used in the charger, the secondary output of the transformer is not direct current, and the output needs to be rectified and capacitively filtered, that is, there will be ripple in the output of the charger; The charging head network uses an oscilloscope to test the ripple value of the charger's output, and compares it with the industry standard to detect the output quality of the charger. The lower the ripple, the higher the output quality of the charger.
No-load ripple
First of all, look at the no-load ripple at 220V 50Hz, the highest ripple peak is 20V0A, the ripple peak-to-peak is 24.8mVp-p, and the lowest ripple peak-to-peak is 12V0A, the ripple peak-to-peak is 13.6mVp-p.
On-board ripple
First of all, look at the on-load ripple at 220V 50Hz, the highest ripple peak is 20V3.25A, and the ripple peak is 76.8mVp-p, and the lowest ripple peak-to-peak is 5V3A, and the ripple peak-to-peak is 17.32mVp-p.
brief summary
YD/T 1591-2009 The charger ripple requirement in the communication industry standard is not higher than 200mVp-p, and the Xiaomi 67W desktop fast charging socket is evaluated at the input voltage of 220V 50Hz, and the peak value of all output power ripple is not higher than 76.8mVp-p, which is good overall.
Temperature test
The charger is a conversion device, and there will be loss during the charging process, which will be dissipated in the form of heat, so the charger will heat up. Xiaomi 67W desktop fast charging socket review supports up to PD 65W output, place the charger in a 25°C incubator, and collect the temperature on the surface of the charger after one hour of 20V3.25A load.
First, let's see how the charger temperature behaves at 220V 50Hz voltage output.
After an hour, the maximum temperature on the surface of the charger, photographed with a thermal imager, was 51.2°C
The maximum temperature on the other side of the charger is 51.6°C.
Summarizing the temperature data into a table, it can be seen that when the charger is tested at two types of voltages, the temperature is 51.2-51.6°C when charging at 220V 50Hz, which is a very good temperature performance.
Drawing the data into a histogram, it can be seen that the maximum temperature of the Xiaomi 67W desktop fast charging socket evaluation at 220V 50Hz voltage is 51.6°C, which meets the requirements of the IEC International Electrotechnical Commission IEC62368 for the temperature of electrical and electronic equipment in the test, which is not higher than 77°C. At the same time, it conforms to the temperature regulations in GB4943.1-2011.
Summary of the charging head network
Xiaomi's 67W desktop fast charging socket has a compact body, which does not take up space on the desktop, and is equipped with two new national standard five-hole jacks, a two-hole jack and 2C2A A total of four ports, supporting up to 67W fast charging, four ports can charge devices at the same time, and a fast charging socket meets the needs of desktop office. Compared with the Pro version, the increase in multiple ports does not castrate charging performance, and both C1 and C2 ports have the same charging power and protocol, as do A1 and A2.
In terms of compatibility, the C1 and C2 interfaces of the Xiaomi 67W desktop fast charging socket can support QC3.0, FCP, AFC, PD3.0, QC5, DCP, Apple 2.4A and PPS charging protocols in addition to supporting Xiaomi's private fast charging protocol. Similarly, A1 and A2 ports can support CQC3.0, FCP, AFC, DCP and other charging protocols. Its excellent compatibility can provide ideal fast charging support for mainstream mobile phones, tablets or laptop devices.
Under mains power, compared with the no-load power standard, the standby power consumption is about 0.23W, and the measured conversion efficiency is 86.61-93.51%, which is excellent. Using the USB-C1 port to charge your MacBook Air M3 from 0 to 100%, it took 29 minutes to charge to 50%, for a total of 2 hours and 7 minutes.
In terms of performance, the ripple test and temperature test show that the ripple value does not exceed 76.8mVp-p in the load charging state, and the conversion efficiency is directly reflected in the operating temperature, in the IEC International Electrotechnical Commission standard implemented in 2023, the temperature under the 20V3.25A 65W ultimate load under the domestic mains power does not exceed 51.6°C, which can be used with confidence.
In general, Xiaomi's 67W desktop fast charging socket compares with the Pro version, and the compatibility of the interface, output power, multi-port output, and conversion efficiency have better performance, with a total of four ports in 2C2A. In addition to the disadvantage that the base is not anti-slip, its product performance is better than that of chargers on the market, and it is a very good desktop fast charging socket.