Style 1

Features:
Double tap the side button to turn on the LED light.
Made of premium material, it is wear resistant and durable.
LCD digital display, easy for you to monitor the real-time battery bank capacity, real-time voltage and current.
Can be installed 8 18650 lithium battery.
DIY design, easy and convenient to use.

Descriptions:
Fine workmanship provides long service time.
Light weight design is very easy to carry.
Perfect for outdoor travel use.

Specifications:
Model: C18
Input: 5V 2A
Output: 5V 2A
Input port: 1 Type C, 1 Micro USB
Output port: 2 USB
Power display: digital display
Battery: 8x 18650 (the product does not include batteries)
Material: plastic and leather
Color: black/white/blue/green

Style 2

Features:

A DIY power back case, can charge 8pcs 18650 batteries ( Batteries need to be  welded and not included)

Support full protocol fast charging 22.5W, two-way PD fast charging 20W.

22.5W output supports PD QC- AFC SCP- multi-protocol fast charging for laptop  phone universal

You can take it on the plane without declaration, safe and reliable

Transparent body, imported high-quality LED screen can check the remaining power  in real-time

Note:

This product is a solderless mobile power supply kit  (circuit board+shell) and is not a finished product of a mobile power supply. 

It  does not include batteries, data cables, or box packaging. The battery needs to  be purchased separately with a 18650 (flat head) battery before use. 

Please note  that the battery capacity must be consistent. Do not place the battery upside  down as it will damage the motherboard.

Specifications:

Item:for 8pcs 18650 Battery Charger Box

Capacity:20000mAh

Material: ABS-PVC

Color: Gray/Yellow/Blue

Size: approx 145x41x53MM/5.7x1.6x2.09in

Input: DC5V / 2.1A/20W

Output: 5V/2.1A/PD22.5W

Quantity: 1 PC (Not includes the battery and charging cable)

Note:

1.Transition: 1cm=10mm=0.39inch

2.Please allow 0-1cm error due to manual measurement. pls make sure you do not  mind before you bid.

3.Due to the difference between different monitors, the picture may not reflect  the actual color of the item. Thank you!

Package Includes:
1*DIY 8*18650 Power Bank Case(Batteries are NOT include)
NOTE:

1."8x18650"does not support disassembly after installation
2.Do not use pointed batteries.Batteries with damaged appearance are not use
It is not recommended to use the battery with high internal resistance, long storage time and many times of use
3.Double tap the side button to turn on the LED light.
4. Battery should be flat 18650 battery, 65MM long, no protection plate. Pointed batteries can not be used, are large internal resistance, low capacity, small current batteries. Flashlight 18650, fire cow, fire, etc. can not be used, if you use old batteries, disassembled batteries to ensure that each voltage of at least 3.5V or more, internal resistance of 80 or less, in order to achieve normal output; voltage lower than 2.75V, internal resistance of more than 80 batteries have been damaged, put it in the battery is not charged.