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Some time ago, Jingdong 618's preheating activities put various discount coupons. The most popular type of mobile phone accessories was 99-50, 50-25 East tickets, and several vouchers bought some mobile phone accessories, especially Green Alliance QC3. .0 Quick Charger coupons and then superimposed UnionPay 62% off event, and finally only spent 27 yuan to buy a dual QC3.0 fast charger, green joint big brand quality and after-sale protection, after use at least I personally feel than The product wins a lot of workmanship, although he also used a lot of years to win, but it does not do MFI line, it is to break the line and the probability of pop-up non-certification, so I gave up using it
Green Alliance dual-port usb fast charge Qualcomm qc3.0 quick charger plug for millet 4/5 Huawei P9 music as black 69 yuan Jingdong direct link [Out of the box-green combined dual port USB Qualcomm QC3.0 charger] 
Green Union's packaging has always been using this simple corrugated box: front inside product map, back product parameter information, side security code.
Now many mobile phones are standard QC3.0 quick charge started, although it is already out of the QC4.0, but still a relatively small number of standard QC4.0. For the mobile phone fast charging technology is still some people to resist, and often have negative thoughts that fast charging will fill the phone ah? ! Samsung Note7 explosion also allows fast charge back a pot and so on, fast charging technology or the downstream demand of the times, life experience will experience the benefits of fast charge, and not only to the bad, do not see its true merits . For this UnionPay 62 activity can be less than 30 yuan to buy QC3.0 charging head is indeed very good, some time ago millet public beta also engaged in a QC3.0 dual USB fast charger, as if crowdfunding prices Also 40 yuan. The maximum power can achieve 30W, supporting the common output: 5V/2.4A, QC3.0 (5V/3A, 9V/2A, 12V/1.5A).
Look carefully at the USB port, is 2 kinds of colors, the first port is QC3.0 mouth, the second is 5V/2.4A mouth, if use the equipment that supports QC3.0 charge, must insert QC3.0 mouth to realize QC3.0 charging efficiency. It is a pity that the recognition of the jack cannot be blindly inserted and automatically discern the charging efficiency. Since the prices are all there, the requirements cannot be too great. The first port is also compatible with QC3.0 and Huawei FCP fast charge, which is also suitable for Huawei mobile phone tablet.
Green Union this QC3.0 pin can not be folded, if made into a folding foot storage is more convenient, rechargeable head is a smooth material around, long-term use will be easy to wear flowers, if it is white paragraph there is no black so obvious, in the pin Some are made of matte material.
The charger's dimensions: length 65mm, width 55mm, thickness 28mm, the overall size of a small half a hammer M1 mobile phone.
[Charge-Green Dual Port USB Qualcomm QC3.0 Charger] Charging test equipment: hammer M1 (support QC3.0), glory V8 (support Huawei FCP fast charge), iPad Air2, iPhone6 ​​Plus
Hammer M1:
When the hammer M1 is charged with Green Alliance QC3.0, the charging efficiency can reach 9.06V/2.5A, which is not much different from the original hammer charger.
Hammer original charger itself is QC3.0 standard, can reach 9.26V/2.7A.
Devices that support the QC3.0 charging protocol can use the QC3.0's interface to reach full speed. If they are plugged into a 5V/2.4A port, they can only achieve a charging rate of 1.76A, which is much lower.
Glory V8:
Charging the Glory V8, the mobile phone power is between 20% and 80%, and the charging efficiency is 9V/2A which can reach the Huawei FCP fast charge. After reaching 80%, it becomes about 9V/1A until it is full. Many support fast charge. The mobile phones are like this. The fast charging protocol does not always maintain full-loaded charging efficiency. Basically, they can maintain full load before reaching 70% to 80%, and then become constant current charging, so the fast charging head is charged at the early stage. It will be easier to generate heat, and the reason for the late drop in temperature is also due to this reason.
iPad Air2:
When charging the iPad Air2 tablet, regardless of the QC3.0 port or 5V/2.4A port, the full-load charging efficiency can completely identify the Apple 2.4A mode, and the original charging efficiency of the iPad is the same.
iPhone6 ​​Plus:
When charging the iPhone, it also recognizes the Apple 1.2A mode, and when it is fully loaded, it can reach about 1.22A, but it is always maintained at between 1A and 1.04A, which is more than other brands optimized for Apple. Fast charging has always been slower to maintain 1.24A.
After the above simple test, you can find that for the QC3.0 or Huawei FCP fast charge, iPad tablet can achieve full speed effect, if the iPhone is the same as the standard original charge 1A efficiency, but only slightly faster So a little bit. Unfortunately, the experiment did not test mobile devices such as Meizu, OPPO, and other fast-charged protocols. However, according to the trend of the current fast-charged protocol, the basic Android phones follow Qualcomm's QC protocol.
[Experience Summary - Green Dual Port USB Qualcomm QC3.0 Charger]Green Alliance this QC3.0 charger is good from the price point of view, if you use QC3.0 or Huawei FCP fast charging device can be regarded as one of the third-party compatible devices to choose, iPhone phone, then the use of efficiency in general, if It is not recommended if you only use an iPhone. Green Alliance's work is good, at least when the charging is really no interference screen drift, dismantling, I do not dismantle, because it is a screwless package, I found a dismantling map on the Internet:
From the dismantling diagram of the network, we can see that the internal materials are more solid, at least not cutting corners, using solid-state filter capacitors, switching transformers, EMI filtering, NTC surge suppression circuits, unlike the Huaqiang North those cottage chargers are likely to burst at any time .
From the experience of using so many mobile phones and sub-plant chargers to experience the biggest experience is that chargers, data lines, these two have to choose better quality work, try not to choose no-name small plants, ignore one of them make the phone charge Decline in efficiency may also cause security risks.
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