![](https://gd4.alicdn.com/imgextra/i4/46284319/TB2DHlLbXXXXXatXXXXXXXXXXXX_!!46284319.jpg)
1: Finished product = shell + boost version + 4 456271 polymer batteries + LG original Mirco USB data cable+Packing box+ Installation fee = 75 yuan(The finished product does not contain a charging head)
2: Shell + booster version = 20 yuan
3: Single 3100 mAh 456271 polymer battery (this shell can be installed4Piece)= 10 yuan
4: LG original Mirco USB data cable=5.8yuan
5: Huawei 2A charger = 12.8 yuan
6: Paper outer packaging = 2 yuan
installation method:This mobile power bank can place 4 18650 batteries or 4 pieces of 456271 polymer in parallel. You only need to connect the batteries to the booster version and install the screws. The manufacturing is simple. Our store provides a full set of spare parts and finished products. Can be sold directly on the counter.
![](https://gd2.alicdn.com/imgextra/i2/46284319/TB2a6iYXVXXXXbqXXXXXXXXXXXX_!!46284319.jpg)
The installation method of 18650 battery is as follows:
![](https://gd2.alicdn.com/imgextra/i2/46284319/T2uiIfXmpXXXXXXXXX_!!46284319.jpg)
![](https://gd4.alicdn.com/imgextra/i4/46284319/T20oT.XmRaXXXXXXXX_!!46284319.jpg)
The installation method of polymer battery is as follows:
![](https://gd2.alicdn.com/imgextra/i2/46284319/T23dn9Xg0bXXXXXXXX_!!46284319.jpg)
Shell display:(Available in white and black, if there is no specified color, it will be shipped randomly)
Dimensions (mm): 22.96 (thickness) x 72.7 (width) x 107.8 (length)
![](https://gd4.alicdn.com/imgextra/i4/46284319/T2tSB.XaXdXXXXXXXX_!!46284319.jpg)
Boost version display:
Note: The board is a precision original, which has been tested before leaving the factory. If there is a quality problem, it can be replaced for free. The return shipping fee is borne by the buyer. Please purchase the return shipping fee. Please think twice before buying. ! !
size:(Length 66MM*Width 27MM)
3.7V to 5V(Must be connected to 3.7V lithium battery, 18650 or polymer battery)
Conversion rate ≥85%, with overcharge, overdischarge, overcurrent, short circuit protection
This circuit board needs to be activated, double-click the switch to turn it on(shut down)Flashlight, plug in the data cable, the display will light up, display the power and output current, and start charging. Plug in the data cable and it will automatically turn off after ten seconds.
![](https://gd3.alicdn.com/imgextra/i3/46284319/T2XDXNXCBaXXXXXXXX_!!46284319.jpg)
![](https://gd2.alicdn.com/imgextra/i2/46284319/T2_sXmXtlbXXXXXXXX_!!46284319.jpg)
![](https://gd4.alicdn.com/imgextra/i4/46284319/T2OWtLXx4aXXXXXXXX_!!46284319.jpg)
![](https://gd3.alicdn.com/imgextra/i3/46284319/T2gYeJXgXcXXXXXXXX_!!46284319.jpg)
10 yuan 3100 mAh 456271 polymer battery show(This shell can hold 4 pieces):
![](https://img.alicdn.com/imgextra/imgextra/i2/791093038/TB2ZGBrtXXXXXc_XpXXXXXXXXXX_!!791093038.jpg?time=1474300706000)
![](https://img.alicdn.com/imgextra/imgextra/i3/791093038/TB2LP8wtXXXXXcoXpXXXXXXXXXX_!!791093038.jpg?time=1474300706000)
![](https://img.alicdn.com/imgextra/imgextra/i1/791093038/TB2xPXWtXXXXXc8XXXXXXXXXXXX_!!791093038.jpg?time=1474300706000)
12.8 yuan Huawei 2A charging head display:
Supplement:At present, the main suppliers of Huawei chargers are: Overseas Chinese Town, BYD Electronics, Huntkey Chiyuan Electronics, Songshun Electronics, and Huawei''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''s data line suppliers are: Liansheng Electronics and Pengyi Electronics. The production process, equipment, time, etc. of each manufacturer are different. There will be slight differences in the appearance and texture of the baby, but the physical parameters are the same. They are produced in strict accordance with the standards of the global top 500 Huawei. We do not guarantee that most Huawei mobile phones are exactly the same as your original ones, but we can guarantee that they are 100% original Huawei products.If you have any questions about the product, please consult Huawei after-sales or customer service.Two advantages of using the original charger:
1 Protection circuit:With overcharge protection function, give your mobile phone battery the highest saturation and maximum energy
2Safety guarantee:Built-in fuse circuit, even if the power supply is accidentally short-circuited, it will not damage the equipment
![](https://img.alicdn.com/imgextra/i4/791093038/TB2_Rl.tXXXXXbjXXXXXXXXXXXX_!!791093038.jpg)
![](https://img.alicdn.com/imgextra/i2/791093038/TB2F2XttXXXXXcRXpXXXXXXXXXX_!!791093038.jpg)
![](https://img.alicdn.com/imgextra/i4/791093038/O1CN01monWgb1YJRodaKCEW_!!791093038.jpg)
![](https://img.alicdn.com/imgextra/i4/791093038/O1CN01CTBHUQ1YJRoZSnzL4_!!791093038.jpg)
![](https://img.alicdn.com/imgextra/i3/791093038/O1CN01UzO5bG1YJRodaOxbt_!!791093038.jpg)
![](https://img.alicdn.com/imgextra/i1/791093038/TB2lO9mtXXXXXXMXXXXXXXXXXXX_!!791093038.jpg)
5.8 yuan 22AWG thick core high current charging mirco USB data cable display:
2 yuan carton packaging display:
![](https://gd3.alicdn.com/imgextra/i3/46284319/T2OUozXhpaXXXXXXXX_!!46284319.jpg)