Small Power Bank with a display for 18650 batteries US $ 2.76 (without battery)

Finally I got a discount on this Power Bank,the average price of the same without a discount is about 3.4 US. The battery can be put without protection since there is a built-in. Why exactly this one - there is a flashlight in the household with a similar battery, for a small surcharge a full-fledged Power Bank for trips is obtained
1.Capacity: can install 1PC 18650 rechargeable battery.
2. With protector
3. Capacity: Depended on the battery
4. Input: 5V-1.0 A (MAX)
5. Output: 5V-1.0 A (MAX)
6. Dimension: 105 * 25 * 27mm
7.Color Available: Green? Black? Yellow? Blue? White? Red
Z.Y. How to get a discount with the product we are interested in:
We are looking for a product and add it to the basket from several sellers (I choose the first 10 sellers with a low price). When this seller has a discount on this product, you will receive a notification on the soap.
Go to the store