Power bank is an accessory, which is getting more and more popularity since it has proved its usefulness in the times, when the majority of manufacturers have non-user replaceable batteries. There is a variety of them and it may be quite hard to choose. As usual, Chinese companies have something to offer at a crazy low price.
After Xiaomi announced their own power banks, which included 5200,10400,16000mAh respectively, they were sold at some crazy low prices in China. However, it turns out that it is possible to make an external battery, which costs only 99 Yuan, which is made to compete against another cheap power bank, which was recently announced by the OnePlus company.
The ZMI may not be that widely known brand as Xiaomi, but they sell some of their products on the Official MI online store in China. One of those products is 10000mAh power bank.
This power bank carries a model number PB810, it has quite a thin body, which is 10.5 mm and it is said to be a thinnest product in this category. Also, it comes in white colour and has a wave pattern on its exterior, which is supposed to help for the good grip. Also, it has a capacity of 10000mAh (voltage 3.6V) , uses ATL lithium-ion polymer batteries, it has a USB and micro USB ports, it supports 5.1V / 2.1A output and 5V / 2A input.
The product is said to charge the Xiaomi Mi4 twice, Xiaomi Red Rice 1S 3 times and the iPhone 6 3.5 times. Also, there are four LED power indicators, showing the juice left in the power bank.
In addition, it uses a Texas Instruments chip and seventh master protection circuit , board ends highest conversion rate of 93%, and more than ordinary mobile power output of about 1000mAh.
All in all, it seems to be a great power bank to buy, which has a huge capacity, great build quality and internals used at a very low price. It seems that it could be quite a threat for power bank makers like OnePlus or Xiaomi.
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