ASUS ZenPower comes in a simple cardboard package along with a short microUSB cable and documentation.
The battery is very similar to a similar product from Xiaomi. The basis of a rectangular case with rounded edges made of thick aluminum, and the top and bottom are plastic plugs.
On the bottom caused inside information capacity, voltage, etc. the Upper part of the functional. There is a large button to check the remaining battery level, four-point diode visualisation, microUSB for charging and a full-sized USB cable charger.
The width and height of the ASUS ZenPower is comparable to conventional credit card and the thickness of the standard for external batteries of this capacity.
If you compare the battery ASUS popular Xiaomi battery 10400mah, the first will be considerably smaller. It is worth considering that they are practically identical to the thickness of metal and how it is processed, the quality of the plastic, equally neat diodes and buttons – there is an impression that they are made at the same factory.
Note that Xiaomi also has a full analog of ASUS ZenPower capacity of 10,000 mAh, it has sloping sides and the placement of functional elements. Here is a table with dimensions and characteristics of all three:
Feature / Powerbank ASUS ZenPower PowerBank Xiaomi Xiaomi Mi Power Bank
Capacity mAh 10000 10050 10400
Dimensions, mm 90.5 x 59 x 22 90.5 x 77 x 21.6 90 x 60,4 x 22
Weight, g 215 250 207
Voltage / charge Current 5.1 V / 2.4 A 5.1 V / 2.1 A 5V / 2.1 A
When using batteries in metal housings should remember that it is better not to put in one pocket the battery and the smartphone. Aluminum is quite tough, it can scratch charge your device, even though the edge of the case well crafted. As strange as it sounds, but it is better to use a case for battery.