1. passed the product nameplate information content identification:
1.1 passed the product SN barcode identification:
(1) the second, third and fourth digits of the genuine charger SN with a bright white case are "827" or "A36", while the number of the cottage charger is "819", "829" or "877".
(2) if the SN bar code of the white glossy case charger has the following conditions, it is judged as a knock-off product:
(2.1) the fifth, sixth and seventh digits of sn number are "1RG" (as shown in the figure below)
(2.2) the length of sn number should be 14 digits.
(2.3) The last five digits of SN number with more than or less than 14 digits contain letters.
1.2 has passed the product nameplate content identification:
1.21 has passed the nameplate input content format identification:
(1) The character after 1-24V in the nameplate input content of genuine charger is a curve (wave) "~" symbol, and the charger in the cottage is a straight line "-"
(2) The input current of fast-charging 9V2A genuine charger is .5A, while that of cottage charger is .35A..
(3) There is a comma ","between the input content "5/6HZ" and the input current (.75A) on the nameplate of the genuine charger, but not on the counterfeit charger.
1.22 passed the HUAWEI Huawei trademark authentication:
1.23 passed the serial number and the corresponding manufacturer information authentication:
Remarks: SN number stands for the supplier first, and the corresponding supplier is: B: BYD C: Huawei Technology H: Hangjia P: Dahong K: Selcom
1.3 passed the nameplate font and printing authentication:
. However, the printing quality of the nameplate of the shanzhai charging head is poor, and the label is painted and printed, and the handwriting is blurred or even erasable, and it is smooth by hand.
2. Through product appearance identification:
2.1 Through AC PIN pin shape identification:
The genuine metal plug is slightly curved, and the head of the cottage pin is trapezoidal or triangular; In addition, the genuine metal plug is genuine, and the plug is generous, while the shanzhai charging head cuts corners and is relatively thin and narrow.
2.2 through the product AC PIN pin process identification:
the genuine process is improving, and the pins are round and smooth; The shanzhai is pitted and can be seen at a glance.
2.3 through the structural identification of the USB socket of the product,
the corners of the USB socket of the genuine charger are arc-shaped with curling edges, while the knockoffs are right-angled without curling edges (applicable to white glossy shells 5v1a, 5v2a and 9v2a).
2.4 Identification through the seam of the shell:
The genuine charging head is exquisite in workmanship, and the seam at the bottom is tight, even and natural, while the cottage is rough and the seam width is inconsistent.
4. Through comparison and identification with authentic weighing:
In order to save costs, some shanzhai charging heads often cut corners in the use of devices, resulting in lighter weight.