In May, Zi Mi pre-sold a mobile power supply 'ZMI Aura two-way fast-charge digital display mobile power' (model QB821) in Jingdong, with a capacity of 20000mAh. There was only one ZMI No. 10 in this capacity class. More expensive for high-end PD fast charge users, and this new ZMI Aura mainly complements the mid-end market, with two-way QC fast charge and digital display screen, the main cost.
First, ZMI Aura two-way fast charge digital display mobile power out of the box
There is a security label on the back of the black carton package. The product parameters are as follows. Product Name: ZMI Aura bidirectional fast charge digital display mobile power supply (20000mAh), Model: QB821, Battery type: Rechargeable lithium polymer Battery, input interface: USB-C / Micro-USB, Input: 5V2A / 9V2A, Output interface: USB-A, Single-port output: 5.1V2.4A / 9V2A / 12V1.5A, Dual port output: 5.1V3.6A, Battery Energy: 74Wh (20000mAh 3.7V), rated capacity: 12600mAh 5.1V (typically released under 2.4A), Manufacturer: Jiangsu Ziimi Electronic Technology Co., Ltd.
List of unpacking items: Manual *1, USB-A to MicroUSB / USB-C dual-use short line *1, mobile power body *1.
All interfaces are sealed with dust-proof, low-viscosity adhesive tape.
Pure white brick-like appearance, compared to the portable type of 10000mAh, 20000mAh is still relatively large, but the grip is still OK.
The surface of the PC+ABS material shell is treated with matte fine sanding, and the left and right corners are curved to the waist, and the front is gray purple rice LOGO 'ZMI'.
A 5 x 7 dot matrix digital display is hidden under the casing, and it has an 'animation effect'. The following is displayed with 2 gif animations.
In addition to displaying the percentage of power, there will be an outward arrow scrolling while the output is scrolling to the 4LED battery mode to save power.
As you type, the scroll direction will instead turn inward.
The back is also the same simple style, with product parameters printed on the bottom.
The mobile power supply weighs 361g, size: 149.3mm * 70mm * 25mm.
The left and right sides are covered with a triangular pyramid, and the battery activation button is also placed on the side.
The interface panel has a silk screen with input and output identification. The external USB-A supports 18W QC3.0 fast charge output when used alone. The two outputs are locked at 5V. The middle MicroUSB and USB-C are input interfaces and support 18W. QC2.0 input, it should be noted that this USB-C interface does not have an output function, it can only be input.
Name: ZMI Aura two-way fast charge digital display mobile power supply, Model: QB821, Input: 5V2.1A / 9V2A, Single port output: 5.1V2.4A / 9V2A / 12V1.5V, Dual port output: 5.1V3.6A, Battery type: Rechargeable lithium polymer battery, battery energy: 74Wh (20000mAh 3.7V), rated capacity: 12600mAh 5.1V (TYP 2.4A), manufacturer: Jiangsu Ziimi Electronic Technology Co., Ltd.
QB821 compared to QB820 in size, there are many advantages in volume, slimmer a lot.
