Welcome to my store, I hope you have a great shopping experience here. We will keep updating a lot of new products, and there is definitely one for you. Item Name: Power Bank Case Applicable Type: Suitable for Most Mobile Phones on the Market, the Capacity Can Be Filled According to the Demand Battery Type: 2 x 18650 Battery (Not Included) Features: Welding-free, Portable, Easy to Use Input Power: 5V Output Power: 5V Operating Temperature: -10 Degrees Celsius - +45 Degrees Celsius Material : ABS Size Details: 9.7cm x 4.5cm x 2.35cm Specifications: Power bank box allows you to use it safely and reliably due to the use of intelligent multiple protection circuit system. It is suitable for most of the mobile phones on the market, and the capacity can be filled according to the demand. It can be used for a long time due to its shockproof, wear-resistant, anti-fall and corrosion-resistant features. The length of the product is 97mm, the width is 45mm and the height is 23.5mm. Made of premium ABS material, the power bank case is wear-resistant and reliable for long-time use. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. This is a solder-free mobile power box, excluding the battery, the battery is 18650 flat-head battery, the battery needs to be purchased separately, buy it back and install the battery before you can use it. Be sure to pay attention to the positive and negative poles when installing the battery. Package Includes: 1 x Power Bank Case (Battery Not Included)