Xiaomi gadgets part 2: Xiaomi Power Bank 10000

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We continue a small series of articles about Xiaomi gadgets. And our second test subject will be the new Xiaomi Power Bank 10000.

“What’s new?” – you may naturally ask. Especially considering the fact that there is cheaper for today and a bit more capacious Xiaomi Power Bank 10400, as well as a more expensive, but powerful Xiaomi Power Bank 16000. That’s what we’ll try to find in this small review. There will be no detailed testing, because previous external batteries from Xiaomi are already checked in every detail. Therefore, I will focus on the differences of Xiaomi Power Bank 10000 from its predecessors.

It should be understood that the 10,000 (mAh) is a built-in battery capacity in our external battery, but not the capacity, it will be able to give us, as we have to convert from 4.2V at the beginning to 3.6V at the end of discharge  into 5.0V, required for charging of lithium-ion batteries. As you understand, it is impossible to achieve 100% efficiency here.

As usual, the technical specs of the test gadget:

Tested deviceXiaomi Power Bank 10000 NDY-02-AN
PurposeExternal Battery with USB port, can be used to charge any device with 5V voltage
Typical capacity of built-in batteries10000 mAh (36 W*h)/3,6V
Input voltage5B, the battery can be recharged from USB port or any charger with USB port.
Output voltage5,1V
Maximum charging current of the battery2A (depends on the charger)
Maximum discharge current (charging current of connected devices)2,1 А (depends on the charged device)
Dimensions and weight91x60.4x22 mm, 203.9 g
Temperature range when using (storing)from -10 to +50 degrees Celsius (-20 to +60 degrees Celsius)
Temperature range when chargingfrom 0 to +45 degrees Celsius
Charging timeAbout 5.5 hours at 2A, about 10 hours at 1A
Case materialPlastic, aluminum alloy
OtherPower key, four-segment LED charge indicator, input and output overvoltage and overcurrent protection, short circuit protection, battery overcharging and overdischarge protection, overheating protection, automatic trickle charge
PackagePower Bank, instruction manual, cable for charging the Power Bank and external devices

In fact, there are not too many differences between Xiaomi Power Bank 10000 and Xiaomi Power Bank 10400, and they concern mainly non-technical features. But more on that later.

So, Xiaomi Power Bank 10000 comes in a box made of white cardboard, a little thicker, than the box of previously tested Xiaomi Power Strip. With additional internal insert, box is sufficiently rigid and properly protects its contents. In addition, it is obvious, that the box is substantially smaller than the box of Xiaomi Power Bank 10400. By the way, the box has a silver rectangle with erasable coating, where you can discover the digital code, which allows you to check out the official site, if the device is original. Package is not rich: in addition to the battery itself, the box the box contains only the instructions manual in Chinese and USB to MicroUSB cable. That is, to charge the battery you have to use any of the USB ports of your computer, which is not recommended, because It takes a lot of time, or any other source of energy with USB port. On my Lenovo laptop, even when using USB 3.0 ports, Power Bank took only 460 mA, that is, to fully charge a depleted battery you will need to charge it for more than 20 hours! With a decent chargers it will go much better: Xiaomi Power Strip, Tronsmart 40W and Chuwi Vi8 Dual OS charger, for example, are able to give it almost 2A, as expected, i.e. full charging will take around 5.5-6 hours. 1A Jiayu S3 charger gives almost 1.2A, so it will be overloaded and it is better to take 2A+ charger.

Package and appearance. Click on the photo with middle mouse button to see it full size.

Now, about the discharge currents. Jiayu S3 takes from Xiaomi Power Bank up to 1A at a voltage of 5,04V – everything is perfect. Chuwi Vi8 Dual OS consumes a bit more than 1.5 A, the same value it takes from the Xiaomi Power Strip and Tronsmart 40W. The voltage is 5,01V, and that is great. The voltage may sink a bit in the process of battery discharging, but will not fall lower than 4,95-4,98V, which more than meets the USB specifications, allowing 5%, i.e., up to 0.25V deviations from 5V. Short cable, which comes with the device, holds currents over 2A, again, a very good result.

Finally, let’s talk about the differences between Xiaomi Power Bank 10,000 and Xiaomi Power Bank 10400. In fact, you can see all of them on the photos below. There are only three significant differences: 1. Xiaomi Power Bank 10000, having almost the same battery capacity, is significantly smaller, by about a third. 2. It is also lighter – see photo below. 3. Cable of Xiaomi Power Bank 10000 is noticeably longer – 32 cm VS 20 cm in 10400 model. Both cables are short, but the new one is still more convenient to use. That’s the whole difference.

Comparison with Xiaomi Power Bank 10400

Differences in dimensions and weight can be easily explained – the new Power Bank use three lithium-ion 18650 cells with a typical capacity of 3300-3400 mAh, instead of four 2600 mAh cells in the Power Bank 10400. High-quality branded cells, manufactured by Samsung, LG, or Sanyo are used in both cases.

So, let’s consider the pros and cons of the new Xiaomi Power Bank 10000 and briefly compare it to competitors and Xiaomi Power Bank 10400.

In fact, there is virtually no drawbacks, especially considering the price of the device. You can complain about the fact that the device has only one USB port, still short, though extended, cable, and no bundled charger. But this is nitpicking. If two USB ports are critical – you can buy Xiaomi Power Bank 16000 or Lenovo Power Bank 10400. But both of these devices are much larger, and Lenovo, in addition, has a less presentable plastic housing. And you can use any cable, because every phone or tablet always has bundled USB cable for charging and data transfer. The same applies to chargers. We already have too many USB chargers, because any portable device comes with such charger today, and we usually have at least several of such devices in our families. The answer to this problem is the emergence of devices such as Xiaomi Power Strip or Tronsmart 40 W 5 USB. Also, Xiaomi recently released the initiative to supply its phones and tablets without separate chargers, like it already supplies without chargers its power banks and MiBand.

And, as usual with Xiaomi, we have a lot of advantages: it’s full compliance with the stated technical specs, including capacity, stable voltage and high output current, high reliability thanks to the multi-level protection, quite compact size and low weight, presentable appearance, low price. There are even some accessories for Xiaomi Power Bank. For example, you can buy silicone case-bumper in different colors.

When comparing Xiaomi Power Bank 10000 and 10400, the winner is not so obvious. Model 10000 is clearly more compact and lighter, and has a little more convenient bundled cable, but the model 10400 is a bit more capacious, and a couple of dollars less expensive. It is up to you to choose what is more important. However, soon we can expect the alignment of prices for both models, and then the choice becomes almost clear.

Generally, Xiaomi today is a trendsetter in the industry of external batteries for mobile devices. This is confirmed by many clones of all models of Xiaomi Power Banks (on the other hand, other Xiaomi devices also have a lot of clones). Competitors are either much more expensive or tell lies about the capacity of built-in battery of their devices and their reliability. Only Lenovo, Power Bank 10400 of which I had the opportunity to test before, share this niche with Xiaomi in quality and price. And yet, in my opinion, even in comparison with Lenovo Xiaomi seems preferable. Even OnePlus Power Bank 10000 is almost $10 more expensive.

That’s all for now. Soon you can expect the third part of the review, dedicated to Xiaomi GamePad.

 

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