240W Power Output Beast: SlimQ F240 Charger Set Review

Previously, the SlimQ F330 charger reviewed by Charger Lab not only demonstrated excellent compatibility with gaming laptop devices but also showed strong power delivery performance with PD, PPS, and multiple protocols when charging mobile devices.

This time, Charger Lab has obtained the SlimQ F240 charger. Compared to the F330, it has a more compact size while still featuring dual USB-C + DC output, with a maximum output of 240W. It can be used with multi-interface computer adapters, and its actual performance is on par with the F330. Let's take a closer look at how this charger performs.

 

The SlimQ F240 charger continues the all-black packaging design of the previous F330 model, with the "SlimQ" brand logo hot-stamped in the middle, giving it a very clean and simple look.

Inside the package, besides the charger, you will find an AC power cable, a DC output cable, and a user manual.

 

The SlimQ F240 charger is made of high flame-retardant material with a fine matte texture on the surface, providing a smooth and delicate feel.

 

The front of the SlimQ F240 charger is printed with "SlimQ F240 SUPER CHARGER," and on the right side, there is a power indicator light that glows blue when powered on.

 

The output panel features a 20V 12A DC output with a round DC port, and there is one Type-C port on each side, each capable of outputting 100W. The port cores are all black.

 

On the other side, there is an AC input port using a standard C6 "Mickey Mouse" connector.

 

Additionally, the charger has decorative strips on the sides, providing noticeable anti-slip and heat insulation when held.

 

The plug end panel of the SlimQ F240 charger is printed with relevant parameters:
Model: F240;
Input: 220V~ 50/60Hz 2.5A;
Output:
DC: 240W Max, 20V 12A;
Type-C1/C2: 5V3A, 9V3A, 12V3A, 15V3A, 20V3A, 20V5A 100W Max;
Type-C Protocols: PD3.0, PPS, QC2.0-4.0, Apple, FCP, SCP, AFC, SFCP, PE;
Additionally, the right side is printed with FCC, CE, CCC, and other certification marks.

 

The length of the SlimQ F240 charger is approximately 127.24mm.

 

The width of the SlimQ F240 charger is approximately 63.06mm.

 

The thickness of the SlimQ F240 charger is approximately 33.29mm, with a volume of about 267cm³. Based on the charger's power of 240W, the power density can reach 0.90W/cm³.

 

The weight of the SlimQ F240 charger is approximately 388.1g.

 

 

The SlimQ F240 charger set adopts a split design. The power cable uses an AC three-pin plug combined with a 23*18 three-core "Mickey Mouse" plug, and it comes with a silicone cable tie for easy organization and storage. The cable is made of high-quality silicone and features a braided design, offering excellent flexibility and durability, making it more convenient and comfortable to use.

 

The length of the power cable is approximately 150cm, with the plug end printed with 2.5A 250V~ parameters.

 

The diameter of the power cable is approximately 5.31mm.

 

The output end provides 20V DC output, with a round DC port design.

 

The length of the DC output cable is approximately 153cm.

 

The diameter of the output cable is approximately 5.38mm.

 

 

It is worth noting that near the DC round port, there is an anti-interference magnetic ring that can better capture and absorb electromagnetic interference from power and signal lines, reducing its impact on the device.

 

 

To ensure compatibility with multiple brands, the SlimQ F240 charger has been specially designed with a variety of dedicated adapters, covering mainstream brands such as Lenovo, HP, Dell, Alienware, Sony, MSI, Acer, and Asus. Users can conveniently purchase the matching adapter based on their device model to achieve stable and efficient charging. Next, we will delve into more technical details of this product.

 

 

 

Three adapters are suitable for Lenovo gaming laptops, with a port size of 11x5mm square charging port, supporting 240W, 300W, and 330W power respectively. Users can choose the adapter with the corresponding power based on their device's needs to ensure charging efficiency. Please note that selecting an adapter with insufficient power will not be able to power the device properly.

 

 

 

Additionally, the 2024 ASUS Zephyrus dedicated adapter is suitable for laptops supporting 180W, 200W, and 240W output power. Its unique small square head interface is relatively rare in the market. Users can choose the appropriate adapter based on their device's power requirements to ensure optimal compatibility and charging efficiency.

 

 

 

It also supports gaming laptops from multiple brands such as HP, Dell, Acer, Sony, and Alienware, with a total of 10 sets of DC round port adapters for users to choose from.

 

To have a better charging experience, users need to understand the fast charging protocols supported by the adapter and be able to choose devices based on specific protocols.

 

Using the POWER-Z KM003C tester, it was measured that the Type-C1/C2 ports of the SlimQ F240 charger support charging protocols such as FCP, SCP, AFC, QC3+, SFCP, PD3.0, PPS, QC5, DCP, SAM 2A, and Apple 2.4A.

 

The PDO message shows that the Type-C1/C2 ports have five fixed voltage levels: 5V3A, 9V3A, 12V3A, 15V3A, and 20V5A, as well as one PPS voltage level of 3.3-21V5A.

 

Next, we will take a comprehensive look at this charger through compatibility testing, full charging cycle testing, standby power consumption testing, and more, to see the specific user experience of this charger.

 

The compatibility testing phase can clearly show how the charger performs with various devices. Charger Lab will test the charger with dozens of devices, including phones, gaming consoles, tablets, and laptops, to present readers with real test data.

 

 

The DC port outputs a maximum of 240W, 20V/12A, and using the Lenovo adapter, it can easily power the Y7000P.

 

 

When using the adapter to power the Lenovo Y7000P, the power meter shows a current power of approximately 171.1W.

 

 

 

Connecting the MacBook Pro16 M1 Max to the Type-C port of the SlimQ F240 charger, the POWER-Z KM003C measured the charger's output power at 19.53V 4.61A 90.13W.

 

 

Summarizing the data into a table, phones and other devices can handshake at 9V, while phones with high-power PPS can handshake at 18V. For laptops, the MacBook Pro 16 M1 Max reached 90.13W, showing impressive performance.

 

 

Drawing a bar chart, the highest charging power was for the MacBook Pro 16 M1 Max, with a measured power of 90.13W. Devices with high-power PD, PPS, and AFC protocols had charging powers between 24-90W, while other devices maintained charging powers between 15W-24W.

 

 

 

Using a standard 100W cable to connect the SlimQ F240 charger to power two laptops simultaneously, the measured input power for the laptops was 88.37W, and the phone's power was 94.70W.

 

 

Using the SlimQ F240 charger to power three laptops simultaneously, the measured power for two of the laptops was 44.15W and 60.69W, respectively, with the power meter showing a total output of approximately 238W, fully utilizing the power output.

 

 

The SlimQ F240 charger is also an excellent phone charger. For testing, Charger Lab chose the iPhone 16 Pro as the test subject, placing the SlimQ F240 charger and the iPhone 16 Pro in a 25℃ constant temperature chamber and connecting the power. The test results are as follows.

 

 

After connecting the power, the charger handshakes at 15V, with the power stabilizing at 21W for the first 6 minutes, then dropping to 16W and lasting until 28 minutes, then dropping to 12W and lasting until 43 minutes. At the 57th minute, the voltage drops from 15V to 5V, and the power output is 7W until 1 hour and 11 minutes, after which the power continues to drop, and the charging completes at 2 hours and 7 minutes.

 

 

Drawing a line chart, it can be seen that the SlimQ F240 charger takes 28 minutes to charge the iPhone 16 Pro to 50%, 53 minutes to 80%, and 1 hour and 58 minutes to 100%.

 

No-Load Power Consumption Test

 

Many readers wonder whether the charger wastes electricity when plugged in but not in use, and how much power is actually lost. The standby power consumption test is designed to answer this question. The charger was plugged into a Yokogawa WT310E digital power meter, and the data was read from the power meter. The test results are as follows.

 

According to the power meter test, the charger's no-load power consumption at 220V 50Hz is 0.03W, which translates to an annual energy loss of approximately 0.26kW·h. If the electricity price is 0.6元/kW·h, the annual electricity cost for the charger is about 0.16元.

 

Let's take a look at the no-load power consumption under 110V 60Hz voltage. The power consumption measured by the power meter is 0.004W, which translates to an annual energy loss of approximately 0.44 kW·h. If the electricity price is 0.6 yuan/kW·h, the annual electricity cost for the charger would be around 0.26 yuan.

 

 

The charger is essentially a conversion device, and there will be losses during the process, which are dissipated in the form of heat. The power drawn by the charger from the socket is often slightly higher than the power marked on the charger. The SlimQ F240 charger was tested for conversion efficiency under 220V 50Hz and 110V 60Hz AC input conditions, and the test results are shown in the figure below.

 

 

First, let's look at the conversion efficiency under 220V 50Hz voltage. The overall conversion efficiency ranges between 76.37% and 93.75%. The highest conversion efficiency is at the 20V5A setting, reaching 93.75%. The lowest conversion efficiency is at the 5V3A setting, with an efficiency of 76.37%.

 

Next, let's examine the conversion efficiency under 110V 60Hz voltage. The overall conversion efficiency ranges between 78.68% and 92.51%. The highest conversion efficiency is at the 20V5A setting, reaching 92.51%. The lowest conversion efficiency is at the 5V3A setting, with an efficiency of 78.68%.

 

Overall, the SlimQ F240 charger demonstrates excellent conversion efficiency under both voltage conditions compared to similar chargers.

 

 

Since the charger uses a switching power supply, the output from the transformer secondary is not direct current and needs to be rectified and filtered by capacitors. This means that the charger output will have ripple. ChargerLab used an oscilloscope to test the ripple value of the charger output and compared it with industry standards to assess the output quality of the charger. The lower the ripple, the higher the output quality of the charger.

 

 

 

First, let's look at the no-load ripple under 220V 50Hz voltage. The highest ripple peak-to-peak value is at the 20V0A setting, with a ripple peak-to-peak value of 62mVp-p. The lowest ripple peak-to-peak value is at the 5V0A setting, with a ripple peak-to-peak value of 17mVp-p.

 

Next, let's examine the no-load ripple performance under 110V 60Hz voltage. The highest ripple peak-to-peak value is at the 20V0A setting, with a ripple peak-to-peak value of 67mVp-p. The lowest ripple peak-to-peak value is at the 5V0A setting, with a ripple peak-to-peak value of 16mVp-p.

 

 

 

First, let's look at the loaded ripple under 220V 50Hz voltage. The highest ripple peak-to-peak value is at the 12V3A setting, with a ripple peak-to-peak value of 56.8mVp-p. The lowest ripple peak-to-peak value is at the 5V3A setting, with a ripple peak-to-peak value of 40.8mVp-p.

 

Next, let's examine the loaded ripple performance under 110V 60Hz voltage. The highest ripple peak-to-peak value is at the 20V5A setting, with a ripple peak-to-peak value of 78.4mVp-p. The lowest ripple peak-to-peak value is at the 15V3A setting, with a ripple peak-to-peak value of 38.4mVp-p.

 

Summary

 

According to the YD/T 1591-2009 communication industry standard, the ripple requirement for chargers is not to exceed 200mVp-p. The SlimQ F240 charger, under 220V 50Hz and 110V 60Hz input voltages, has a maximum output power ripple peak-to-peak value of 78.4mVp-p, which complies with the industry standard requirement of not exceeding 200mVp-p.

 

 

The charger is a conversion device, and there will be losses during the charging process, which are dissipated in the form of heat, causing the charger to heat up. The SlimQ F240 charger's USB-C port supports a maximum simultaneous output of 100W. The charger was placed in a 25℃ constant temperature chamber, and the surface temperature of the charger was measured after one hour of dual-port 100W load.

 

 

After one hour, the surface temperature of the charger, as captured by a thermal imaging camera, was 57.7℃.

 

 

The highest temperature on the other side of the charger's surface was 64.5℃.

 

Summary

 

The SlimQ F240 charger continues the series' Miti-groove design and gallium nitride technology, offering powerful performance and a compact size, along with excellent thermal performance.

 

The SlimQ F240 charger is equipped with multiple safety protection mechanisms, including voltage protection, short-circuit protection, over-temperature protection, current leakage protection, surge protection, and overload protection, ensuring safe use. It also features two USB-C ports and one DC 20V output port, capable of delivering up to 240W of output power, allowing it to charge three high-power devices simultaneously and is compatible with most mainstream charging devices on the market.

 

In terms of charging performance, the SlimQ F240 charger's Type-C port supports PD3.0 100W, providing around 90W of charging power for the MacBook Pro 16 M1 Max. In tests, it took 28 minutes to charge the iPhone 16 Pro to 50% and 1 hour and 58 minutes to reach 100%, which is on par with the original charger. Additionally, in compatibility tests, whether charging phones, gaming consoles, tablets, or laptops, it delivered excellent fast charging performance.

 

Under domestic mains power, the overall conversion efficiency ranges between 76.37% and 93.75%. The performance in terms of operating temperature is particularly outstanding, with the temperature reaching a maximum of only 64.5℃ after one hour of continuous 100W output, demonstrating excellent temperature control. In actual use, the temperature will be even lower. Under both voltage conditions, the maximum no-load power consumption is only 0.05W, which is negligible. The ripple value is below 78.4mVp-p, and compared to mainstream 100W chargers on the market, its performance remains excellent.

 

In summary, the SlimQ F240 charger is a compact, high-power notebook power adapter alternative. Compared to traditional bulky and single-function adapters, it supports high-power PD, PPS, and multiple protocols, providing excellent charging power for devices such as phones, power banks, and tablets.