My answer to How do I check if my Xiaomi Mi Power Bank is genuine?
Answer by Allen He:
Owing to its quality built, better specifications and cheaper prices, Xiaomi has gained a lot of attention. But unfortunately, more popularity brings more fakes and the present scenario is that there are more fake Xiaomi Power Banks in the market than there are legit ones.
Differentiating between Genuine and Fake
Depending on the company manufacturing the fakes, there can be some cases where it works similarly to the genuine one, but it will surely fail most of the following tests.
Genuine – Genuine Mi power banks sold in China come with a sticker on the packaging which can be scratched off to reveal a 20-digit code. Entering the code on the Xiaomi website (link below) would confirm the genuine product. However, the power banks sold outside of China via official channels will not carry this sticker. You should definitely look for this sticker unless buying from an officially certified store.
Fake – Fake Power Bank will usually not include any such sticker on the packaging, confirming that it is fake. Even if it carries one, the ‘times queried‘ on the Xiaomi website will show a very high number because the fake guys want to save costs by printing the code on multiple stickers.
Website to check the code –(in English)
Length and Branding on USB Cable
Genuine – The MicroUSB cable included with genuine Mi Power Banks does NOT carry any Mi branding. If you see one with Mi printed on it, it is a fake.
For 20000mAh Power Bank – The length of USB cable is longer at around 13-inches with a lightning icon printed on the MicroUSB end.
Fake – Fake power banks usually ship with a USB Cable which has Mi printed on it. Many of us would take this as a sign of genuine product and apparently that’s what these fake sellers want to achieve by printing Mi on the USB cable.
Genuine: The original Mi power bank supports pass-through charging. What it means that the power bank will also charge a mobile phone connected to it while it itself is being charged. Only necessity is that the input charger must supply enough power and as such, charging via a PC’s USB Port will not help.
Fake: The fake power bank does not have this capability and it will just charge itself and won’t pass on any current to the mobile phone connected to it. It will only charge the mobile when you disconnect the charger from the power bank.
Color of USB Ports on the Power Bank
Genuine – The front visible part of both the Micro USB and standard USB port have a rice white color.
Fake – Most of the fake power banks have a milk white color on the Standard USB port and a Black color on the Micro USB port.
Printing at the Bottom
Genuine – Has a printing in grey-ish ink which is lighter and clear. It is also well textured which can be felt by moving the fingers over it.
Fake – Usually darker and blurry in black ink and sometimes unclear printing.
LED Lights Function when Using
Genuine – Lights blink while showing the power status on the device. At any time, holding the power button will turn off all the LED lights and they light up when the button is released.
Lights are well packed and not even a bit of it leaks out from other areas of the power bank.
Fake – LEDs blink after you press the button once. If you keep it pressed, lights won’t turn off. Lights are also not well packed and often leaks out of the usb ports.
Branding on the Standard USB Port
Update: The branding seems to be missing from the newer 16000mAh power banks, even though they are genuine. It is visible on the newest 20000mAh power banks.
Genuine – Genuine power bank carries a small MI branding on the chassis of the standard USB port on the power bank. It is pretty small, but is easily visible while looking under natural lighting or by directing a light source (such as torch) into it.
Fake – Fakes do not carry any such branding.
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