Previously, the charging head networkiPhoneThe four models of the 15 series are fully wiredwirelessThe charging test has no obvious difference from the previous generation in charging performance, but it has a more convenient wired charging mode - C to C connection.
At present, the mainstreamwirelessCharging mobile power supply foriPhoneCompatibility or become more friendly;At the same time, based oniPhone13-15 series models are supportedQi2wirelessCharging protocol, charging head network brings the second only support in the market this timeQi2Magnetic attractionwirelessOne of the mobile power supplies -milletMagnetic attractionportable battery2. It can supportwireless+Two types of wired charging modes, with built-in support frame design, charging at will;Now, let's take a look at the performance of this mobile power supply!
Qi2It is an upgraded version of Qi and a new enhanced wireless charging standard formulated by the WPC Wireless Charging Alliance.
It adds MPP (Magnetic Power Profile) protocol technology, operates in a new 360kHz frequency range, and can avoid interference to the vehicle key. After achieving high-precision alignment in MPP mode, it provides15WTransmission capacity.
Product Introduction
The packaging box continues the design of beige background color, with the appearance diagram of mobile power printed on the front, and the top ismilletBrand LOGO and product name:milletMagnetic attractionportable battery26000mAh15W。
The upper part of the back of the packaging box is the product parameter information, and the lower part is pasted with the brand contact information sticker.
milletMagnetic attractionportable battery2. The fireproof and flame-retardant PC material middle frame shell is adopted, with fine sand texture treatment on the surface and fine feel;In addition,portable batteryThe magnetic suction surface on the front is of skin friendly material, which feels warm and friendly, but has poor stain resistance;In addition, users can take it with them on the plane without worry when traveling.
The panel of the magnetic suction area has a bright design magnetic suction ring charging logo, similar to MagSafe charging logo;In addition, there is a super magnet inside the magnetic suction area, which has a super 10N strong suction force and is stable and not easy to drop.
The back of the power pack is made of scientific and technological nano leather, with clear lines, delicate touch, and anti pollution and wear resistance;At the same time, it can be seen that the invisible bracket with integrated drawstring design is pasted with relevant operation stickers, which can be opened and closed in a second.
After the support is opened, it is more stable and not easy to slide due to the design of the drawstring;At the same time, in the closed state, the drawstring can be suspended and stored on the wall hook or hole plate at will.
When viewed closely, we can see the relevant parameter information under the invisible bracket, and have CCC safety certificationQi2Wireless authentication, etc.
The magnetic suction panel, body shell and back plate of Xiaomi Magnetic Charging Treasure 2 are spliced in three layers. Although they belong to the same color system, they still have obvious differences;Its edge transition is more rounded and more comfortable to hold.
The side middle frame panel of Xiaomi Magnetic Power Bank 2 is equipped with a USB Type-C physical interface, which supports input/output and screen printed with relevant marks.
The LED indicator on the power switch can be clearly observed in the dark environment.
The middle frame on the other side is a wireless charging indicator light with water blue light effect.
The supporting charging wire is C to C type, which is bound and fixed with rubber rings.
The shell and body design of the charging wire sub end is consistent with that of the conventional wire, and has a thickened injection design.
The POWER-Z KM003C tester was used to test the wire information, and there was no display in the actual measurement. The wire did not have an E-Marker chip.
The length of the charging wire is about 51cm, which meets the length connection requirements for wired charging.
The length of Xiaomi magnetic charging bank 2 is about 105.06mm.
The width of Xiaomi magnetic charging bank 2 is about 68.06mm.
The thickness of Xiaomi magnetic charging bank 2 is about 14.98mm.
The weight of Xiaomi Magnetic Power Bank 2 is about 182.9g.
Compared with the AirPods Pro headphone case, the Xiaomi Magnetic Charging Treasure 2 is relatively compact.
It is placed in the palm of an adult male and can be held with one hand.
As a charging treasure with magnetic suction function, it can be matched with the latestiPhone15 series mobile phones and mini models are actually used for adsorption to see how size compatibility is.
First of all, the actual measurement of the adsorption of the power pack with the iPhone 13 mini model shows that the power pack is larger, but there is no blocking of the camera module.
The power bank is equipped with the iPhone 15 mobile phone, and the appearance of the device edge is slightly extended, without blocking the camera module.
With the larger 15 Plus model, the power pack is unobstructed and looks smaller.
With the iPhone 15 Pro model with a larger camera module, although the space between the power pack and the camera Deco is small, there will be no blocking.
For the iPhone 15 Pro Max phone with a larger body, the appearance of the charger is slightly smaller when it fits, and the alignment is accurate.
At the same time, in terms of the adsorption magnetic force, the charging bank can closely attach the mobile phone without falling;However, for users who wear the mobile phone case, the mobile phone case must have a magnetic suction function to have the same magnetic suction experience.
When you use it on the desktop, open the invisible stand, and you can see that the iPhone 15 Pro phone is stable in both horizontal and vertical positions, without sliding and toppling.
At the same time, for iPhone models that support the MagSafe function in the charging state, the charging animation is the same as that of the MagSafe charger, with no obvious difference.
The body of Xiaomi Magnetic Charging Treasure 2 is relatively thick. Although it can be held by one hand when the mobile phone is adsorbed, it feels strong.
Protocol testing
In addition to supportPDIn addition to the protocol, the Type-C interface is tested from the perspective of comprehensive exploration, so that users can match output devices according to specific protocols.
Use POWER-Z KT002 tester to read the fast charging protocol of the port, and the actual measurement supportsPD3.0, DCP, SAM 2A and other charging protocols.
PDIn terms of O message, Type-C port has two sets of fixed voltage gears, 5V/2.4A and 9V/2A.
Product evaluation
Next, let's take a look at the specific use experience of this power bank.The charging head network will lead you to understand this product from the aspects of compatibility test, input whole process test, output efficiency test, etc.
Charging compatibility test
This maglev wireless charging bank of Lvlian supports maglev wireless charging, but the Type-C interface reserved also supports wired fast charging. Let's take a look at the compatibility of fast charging.
Connect the iPhone 15 Pro mobile phone to the Type-C port of Xiaomi Magnetic Power Bank 2, and use the POWER-Z KM003C tester to read that the input power of the mobile phone terminal is 8.8V 1.95A 17.16W.
Summarize the data to the table. For most devices such as mobile phones, tablets, laptops, etc., the 9V voltage can be used, and the maximum charging power can reach 17.27W.
Draw a histogram, and you can see that for compatibilityPDThe charging power of fast charging equipment is more friendly, and the charging power is mostly maintained in the range of 14~20W;In addition to the power limit of wearable devices, the measured output power exceeds 10W.
Wireless charging test
This test module is mainly to see whether the power bank has multiple charging modes. More charging modes will also bring more convenience to users.
Xiaomi magnetic charging bank 2 can also charge Android phones that support wireless charging function, and the phone can display the wireless charging UI interface.
In addition, because few Android phones currently have the magnetic suction function, most models need to wear mobile phone cases that support the magnetic suction function to improve the charging experience.
Xiaomi Magnetic Charging Treasure 2 can charge smart devices such as headphones and watches. It can be seen that the current charging power is 5.1V 0.36A 1.84W.
In addition, for headset devices that support wireless charging function, it can be seen that the AirPods Pro headset can be charged, and the headset charging indicator light is on.
Through supportPDChargers of 20W and above charge the power bank, and the measured output power of the charger terminal is 8.94V 2.04A 18.28W.
Secondly, when charging the power bank, its wireless charging function cannot be turned off, and it can still charge mobile devices wirelessly, but the self charging power of the power bank will decrease.
When Xiaomi Magnetic Charging Bank 2 charges two mobile phones wirelessly and wirelessly, it can be seen that the mobile phone in magnetic state is in charging state, and the input power of the mobile phone connected wirelessly is 4.64W.
Full charge test
For the whole charging test of this Xiaomi magnetic charging treasure 2, the original charging line and Xiaomi 67W charger are used to charge it. The test is carried out in a 25 ℃ thermostat. The whole charging process is as follows.
Connect the power supply and shake hands with 9V voltage. The power is stable at 19W and the charge lasts for 42 minutes;Then the power fluctuates and lasts for 1 hour and 15 minutes. Then the power slowly decreases until it is fully charged. The whole charging process takes about 2 hours and 46 minutes.
The broken line diagram is drawn. It can be seen that Xiaomi 67W charger is used to charge Xiaomi Magnetic Power Bank 2. It takes 52 minutes to charge to 50%, 1 hour and 26 minutes to charge to 80%, and 2 hours and 46 minutes to charge to 100%.
Output efficiency
The output efficiency is an important factor to measure the quality of the power bank. The power bank's efficiency is different when it outputs in different gears. The higher the output efficiency, the higher the conversion rate, the lower the heat. This time, we also tested the power bank's output efficiency in different gears.
First, let the power bank continuously output 5V2.4A 12W power, and finally end at 1 hour and 43 minutes;The actually released battery energy is about 20.21Wh, so the efficiency of the power bank when outputting 5V2.4A 12W is about 20.21/23.22=87%.
Then let the power bank continuously output at 9V2A 18W, and finally interrupt at the 10th minute.
Discharge temperature test
With 5V2.4A 12W power output for 60 minutes, the maximum temperature on the front of Xiaomi Magnetic Power Bank 2 is about 35.5 ℃, and the temperature is mainly concentrated on the output port module.At this time, touch the power bank with your hand, and you don't feel hot. The temperature is well controlled.
Summary of charging head network
The body surface of Xiaomi Magnetic Absorbing Power Bank 2 is sprayed with sand, which is comfortable and delicate. At the same time, it also has a skin friendly magnetic absorption area and hidden bracket design, providing a better use experience;Its interior is equipped with a super magnet, which has strong attraction and is stable and not easy to fall.
In addition, this power pack has a relatively small body, with a built-in battery capacity of 6000mAh, which can meet the requirements of the iPhone's once cycle life;Similarly, it also supports the Type-C interface with multiple power outputs and the highest Qi215WIts wireless output power is comparable to that of MagSafe charger, and it can also meet the outdoor charging needs of Android mobile devices.
On the whole, it performs well both in physical compatibility and wireless charging compatibility for iPhone 15 series phones and iPhone 13 and 14 series phones (upgraded iOS 17.2 system);In addition, as the second wireless charging product that supports Qi2, Xiaomi Magnetic Power Bank 2 also integrates the characteristics of wired fast charging and portability, which makes it convenient and instant to charge. Users have a better outdoor charging experience.