Introduction
Recently, Apple released the latest official version of iOS 17.4 system, including 16 models of iPhone 12, 13, 14, and 15 series, all of which fully support Qi2 wireless charging. Paired with Qi2 magnetic wireless chargers that have been certified, users can experience 15W magnetic wireless charging similar to the original MagSafe.
Recently, Qi2 magnetic wireless chargers have also been launched for sale. We got our hands on one of these chargers promptly and conducted detailed tests. Below, let's explore the various features of this product.
Unboxing
The packaging box features a black background with a three-dimensional illustration of the magnetic wireless charger on the front. The brand name is located on the upper left, with key selling points listed below: Qi2 certification, 15W fast charging, strong magnetic attraction, safe charging, 1.5m cable length. At the bottom is the product name: Qi2 Magnetic Wireless Charger. It also includes text such as "Compatible with iPhone/AirPods", "15W", among others.
The back of the packaging box lists detailed parameters of the magnetic wireless charger. Name: Magnetic Wireless Charger; Model: W703; Input: 5V3A, 9V2.22A; Output: 15W Max; Cable length: 1.5m.
All items inside the packaging are shown, including the Qi2 magnetic wireless charger, user manual, warranty card, etc.
The Qi2 magnetic wireless charger features an ultra-thin aluminum alloy metal shell as the main frame, with the brand name printed in English in the middle. Additionally, it adopts an integrated braided wire design, compatible with mainstream chargers on the market.
The wireless charging area is designed with simplicity, providing a smooth touch, and featuring the "Qi2" logo in the middle.
A protective cover is provided at the connection between the power cord and the charger.
The USB-C connector of the Qi2 magnetic wireless charger features a special PIN design internally.
The overall length of the Qi2 magnetic wireless charger is approximately 157cm.
The diameter of the Qi2 magnetic wireless charger is approximately 59.81mm.
The thickness is about 11.01mm.
The overall weight is about 108.2g.
It fits comfortably in an adult male's palm, small enough to be held with one hand.
Charging Scenario
The Qi2 magnetic wireless charger has obtained the latest Qi2 certification from the WPC, theoretically capable of providing 15W wireless charging for iPhone 12-15 series (requires updating to iOS 17.4 system for the 12 series and 17.2 system for the 13-15 series), similar to Apple's MagSafe. Below, we'll test compatibility, charging power, and other aspects using various iPhone models.
Adaptation testing for iPhone 13 mini shows that the magnetic wireless charger module is slightly smaller than the 13 mini body, with no issues regarding compatibility.
Adaptation testing for iPhone 15 reveals that after attaching the magnetic wireless charger, there is still some space between the charger and the phone's frame and camera module, with no compatibility issues.
Although iPhone 15 Pro has a larger camera module and a relatively smaller body, its compatibility is impeccable, with no obstruction to the camera module. Additionally, when only holding the magnetic wireless charger, the iPhone is securely attached without falling.
Connecting the Qi2 magnetic wireless charger to Apple's original 30W charger (A2164), the power read using POWER-Z KM003C is 0.38W, negligible during idle.
When used with iPhone 15 Pro, it triggers the charging animation, consistent with Apple's original MagSafe.
Using POWER-Z KM003C to read the input power, it measures 19.29W, meeting the Qi2 15W wireless charging standard after deducting losses.
Charging iPhone 15 Pro, the input power is approximately 8.82V 2.20A 19.37W.
Charging iPhone 15, the input power is approximately 8.82V 2.20A 19.44W.
Additionally, the Qi2 magnetic wireless charger is compatible with mainstream wireless charging headphones on the market, charging the AirPods Pro charging case wirelessly, with a measured output power of approximately 8.87V 0.27A 2.35W.
Full Charging Test
For testing purposes, an iPhone 15 was selected as the test device. The Qi2 magnetic wireless charger and the iPhone 15 were placed in a constant temperature box at 25°C, and power was connected. The test results are as follows.
After power connection, a handshake at 9V voltage was initiated. The power peaked in the first 8 minutes at around 19W and remained around 12-15W until the 57th minute. It then decreased to 8W and remained until 1 hour and 23 minutes. Subsequently, the power gradually decreased until fully charged, taking approximately 1 hour and 50 minutes.
Drawing a line graph, it can be observed that the Qi2 magnetic wireless charger took 38 minutes to charge iPhone 15 to 50%, 1 hour and 7 minutes to charge to 80%, and 1 hour and 50 minutes to fully charge it.
Temperature Test
As a conversion device, chargers dissipate heat during the charging process. Placing the charger in a constant temperature box at 25°C, the temperature of the charger's surface was measured after charging an iPhone 15 for one hour.
After one hour, using a thermal imager, the highest temperature at the contact surface between the Qi2 magnetic wireless charger and the phone was 40.6°C, with the charging power at approximately 8W.
Conclusion
The tested Qi2 magnetic wireless charger inherits the consistent design style, with an aluminum alloy shell paired with an integrated braided wire, a length of 1.5 meters meeting daily needs, and an extended end to prevent wire damage, enhancing durability.
In terms of charging performance, it was tested to support 15W wireless charging for iPhone 12-15 series and is compatible with other devices such as smartphones and Bluetooth headphones. It is one of the few choices for Qi2 magnetic wireless chargers on the market. Charging iPhone 15 to 50% took 38 minutes in testing, and the overall charging temperature was low, reaching only 41.4°C, making it a viable alternative to Apple's original MagSafe magnetic charger.
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