Previously, the charging head network has evaluated many modelsOn board chargerIn terms of performance, it can provide emergency endurance for mainstream mobile phones, tablets and other smart devices;At the same time, the appearance is also carefully polishedOn board charger, also unique in texture.
Today, the charging head network bringsDeWalt DeWALTOf62WFour portsOn board chargerWhile the four devices in the car can be charged, their performance also needs to be tested. Let's see if they can meet your needs.
Unpacking Introduction
The packaging box is designed with transparent plastic bin, and the interior can be seenOn board chargernoumenon;Printed on the top of the box“DeWALT”Brand words, with relevant characteristics and key points printed on the bottom.
The back of the packing box is printed with the basic parameter inscription of the charging line, the port output diagram and the product barcode sticker.
DeWalt DeWALT62WThe overall design of the car charger is black and yellow color contrast industrial style, with fine grained frosted ABS material shell, rounded edges and smooth hand feel;Radium removal on the front“DeWALT”There are no other words outside the brand logo.
The bimetal elastic contact design at the front and rear sides of the insertion end is compatible with the mainstream cigarette lighter.
DeWalt DeWALT62WBasic parameters and specifications of laser engraving on the other side of the car charger.
The output end panel is configured with four ports of 1 * Type-C+3 * USB-A, which are printed below the portsPD、QCAnd other relevant identifications.
Among them, supportQCQuick chargeThe USB-A port female rubber core is green, with obvious identification;The rubber cores of other port female ports are black.
DeWalt DeWALT62WThe length of the on-board charger is about 84.51mm.
DeWalt The output terminal panel of DeWALT 62W mobile charger is about 55.02mm long.
The output panel width of Dewalt 62W mobile charger is about 26.84mm.
The distance between the contacts on both sides of the insertion end of Dewalt 62W mobile charger is about 23.88mm.
The weight of Dewalt 62W mobile charger is about 55.8g.
Protocol testing
The on-board charger can only support 12V voltage gear output at most, so here 24V voltage is used for theQuick chargeProtocol.
The Type-C interface measured with POWER-Z KM003C supports FCP, AFCQC3+, DCP andPD3.0 and other charging protocols.
PDIn terms of O message, Type-C interface has three sets of fixed voltage gears: 5V3A, 9V2.22A and 12V1.67A.
The USB-A port of the green rubber core measured with POWER-Z KM003C supports FCP, AFCQC3.0 and DCP and other charging protocols.
The USB - A port of the black rubber core measured with POWER-Z KM003C supports DCP, SAM 2A and other charging protocols.
Product testing
Next, let's take a look at the specific use experience of this car charger. The charging head network will take you to know this car charger from the aspects of charging compatibility test, charging whole process test, ripple test, temperature test, etc.
Charging compatibility test
During the compatibility test, we can clearly know the charging condition of the charger for each device. This time, we will test dozens of different models.Let's take a look at the specific USB interfaceQuick chargeHow about the support.
USB-C 24V
Connect Huawei Mate 40 Pro to DeWALT's charging C port and use the POWER-Z KM003C tester to read the power of 8.99V 1.28A 11.51W. The screen displays a successful handshakePDQuick chargeagreement.
Summarize the measured products into a table. Most mobile phones shake hands at 9V under 24V, and game consoles and tablets shake hands at 12V.
The histogram is drawn. The highest charging power of the iPhone 14 Pro Max is 20.01W under the 24V voltage of the C port, and the lowest is 1W for the Apple Watch Ultra. It can be seen that this charger is not suitable for charging wearable devices. In addition, the charging power of the real-time GT Neo5 SE is lower than 5W,The game console has requirements for the charger specification, so this car charger cannot light up the Nintendo Switch TV mode. Other models are in the 10-20W range.
USB-C 12V
Connect the Hongmi K60 Pro to the DeWALT car charger C port and use the POWER-Z KM003C tester to read the power of 9.00V 1.43A 12.90W. The screen displays the successful handshake PDQuick chargeagreement.
Summarize the tested products into a table, and the handshake voltage of each test model under the 12V voltage gear is not much different from the 24V voltage gear.
The histogram is drawn. The overall charging power at 12V is not much different from that at 12V. The highest power is the iPhone 14 Pro Max, and the real-time GT Neo5 SE is also incompatible. The rest of the models are in the range of 7-19W.
USB-A 24V
Connect the One Plus 9 Pro to DeWALT's A1 charging port and use the POWER-Z KM003C tester to read the power of 4.97V 1.89A 9.41W.
Summarize the measured products into a table, and the measured model of A1 port basically shakes the 5V and 9V voltage gears under 24V voltage.
The histogram is drawn. The highest charging power is 17.6W for Meizu 20 PRO. The incompatibility between the realme GT Neo5 SE and the C port is different. The charging power is 9.26W. The rest of the models are in the range of 9-17W.
USB-A 12V
Connect Huawei Mate 40 Pro to DeWALT Car Charger A1 port and use the POWER-Z KM003C tester to read the power of 9.01V 1.72A 11.46W. The screen displays the successful QC fast charging protocol.
Summarize the tested products into a table. The tested models also hold 5V and 9V voltage gears, which is not far from 24V.
The histogram is drawn. The highest charging power is 17.32W for Nubia Z30 Pro, and the rest models are generally divided into three charging gears: 14W, 11W, and 9W.
USB-A1/2 24V
Connect OPPO Find X6 Pro to the A2 port of DeWALT car charger and use the POWER-Z KM003C tester to read the power of 4.94V 1.92A 9.5W.
Similarly, the measured models are summarized into a chart. From the above figure, it can be seen that the measured models are in the 5V voltage gear.
Draw a histogram. According to the test data, the gap between A2 and A1 is not big. Samsung has the highest charging power
S23+is 12.01W. Due to the limitation of A2 port charging power specification, the charging power of the measured model is not high, and it is generally divided into two charging gears: 9W and 7W.
USB-A1/2 12V
Connect Huawei Mate 40 Pro to Dewalt's A2 charging port and use the POWER-Z KM003C tester to read the power of 4.93V 2.02A 9.95W.
As shown in the figure above, the test results of 12V and 24V are similar, and all models shake hands with the 5V voltage gear.
The histogram is drawn. The highest charging power is Samsung S23+, the lowest is one plus 9 Pro, which is 4.26W. The charging power of other models is 9W and 7W respectively. On the whole, port A cannot bring a good charging experience due to power constraints. It is more recommended to use port C for charging to obtain a better fast charging experience.
Multi port simultaneous output test
When C port and A1 port output at the same time, they are 19.16W and 13.53W respectively.
When three ports are output at the same time, they are 9.19W, 19.02W and 18.77W from top to bottom.
When four ports are output at the same time, they are 9.38W, 19.13W, 9.15W and 15.5W from top to bottom.
Full charge test
During the whole charging process of the DE WALT 3A1C 62W car charger, the iPhone 14 Pro Max was selected as the test object. During the whole charging process, the car charger was placed in a 25 ℃ incubator and connected to the power supply. The measured data are as follows.
After power on, shake hands with 9V voltage gear;The charging power in the first 37 minutes is stable at about 19W;Then the power drops to about 14W and continues to charge until the 48th minute;Then the power drops to about 8W and continues to charge until the 57th minute;It takes about 2 hours and 34 minutes to enter the trickle charging process at 1 hour and 20 minutes until it is fully charged.
Draw a line chart, and it can be seen that it takes 32 minutes to charge 50% of the iPhone 14 Pro Max, 1 hour and 1 minute to charge 80%, and it takes about 2 hours and 34 minutes to fully charge.
Ripple test
The charging head network uses an oscilloscope to test the ripple value of the vehicle charge output and detect the output quality of the vehicle charge.The lower the ripple, the higher the output quality of the car charger.
12V vehicle voltage
Under 12V vehicle voltage, DE WALT 3A1C 62W vehicle charge supports ripple data of 5V, 9V and 12V gears. The test results are as follows.
Plotting the test data into a column chart, it can be seen that when the DE WALT 3A1C 62W vehicle is charged under the no-load state of 12V vehicle voltage, the gear with the highest ripple peak and peak is 12V0A, the gear with the highest ripple peak and peak is 114mVp-p, the gear with the lowest ripple is 5V0A, and the gear with the highest ripple peak and peak is 5.6mVp-p;Let's also look at the load state, the highest peak ripple gear is 12V1.67A, the peak ripple gear is 9.6mVp-p, the lowest peak ripple gear is 5V3A, and the peak ripple gear is 7.2mVp-p.
24V vehicle voltage
Let's look at the ripple data under 24V vehicle voltage.
Plotting the test data into a column chart, it can be seen that when the DE WALT 3A1C 62W vehicle is charged under the no-load state of 24V vehicle voltage, the gear with the highest ripple peak and peak value is 12V0A, the gear with the highest ripple peak and peak value is 7.6mVp-p, the gear with the lowest ripple peak and peak value is 5V0A, and the gear with the highest ripple peak and peak value is 4.8mVp-p;Let's also look at the load state, the highest peak ripple gear is 12V1.67A, the peak ripple gear is 10mVp-p, the lowest peak ripple gear is 5V3A, and the peak ripple gear is 7.2mVp-p.
Temperature test
Let's take a look at the temperature control performance of the DE WALT 3A1C 62W car charger. Place the car charger in a 25 ℃ thermostat, and the maximum output of the C port is 12V1.67A 20W for one hour. Then use a thermal imager to take a picture of the surface temperature.
The maximum temperature of the vehicle charging surface measured one hour later is 41.7 ℃.
The maximum temperature on the other side is 43.9 ℃.
The histogram shows that the maximum temperature of AB surface is 43.9 ℃, and the maximum temperature of CD surface is 41.7 ℃.After the output test is completed, touch the hand to feel warm.
Summary of charging head network
Dewei DeWALT 62W Car Charger has a fine textured ABS shell, supplemented by an industrial style design with black and yellow bright colors, and can meet the charging needs of four devices when configured with Type-C+USB-A.
In terms of performance, the USB port equipped with the DeWALT 62W mobile charger can support PD and QC fast charging. In the compatibility test, Type-C and USB-A ports support fast charging of mobile phones well, and the charging power of USB-A ports can reach the nominal value;The full charge test of the iPhone 14 Pro Max is carried out by using Type-C port, and it takes 1 hour and 1 minute to charge to 80% of the power, which takes about 2 hours and 34 minutes in total.
The output quality of the vehicle charger is reflected through ripple test and temperature test. Under the voltage of two types of vehicles, except that the no-load value of 12V output gear is high, the ripple value under no-load and heavy load conditions does not exceed 10mVp-p, and the output quality is more excellent;The maximum temperature is 43.9 ℃ after continuous output of 12V1.67A 20W power for 1 hour in a 25 ℃ thermostat.
On the whole, Dewai DeWALT 62W on-board charger is actually compatible with a variety of fast charging protocols such as PD, QC, etc., to meet users' charging needs in the car, and can be used by both dual camp and multi device users.