Power Bank Diy 18650 Battery Case with Keychain
Power Bank Specifications and Features
This portable power bank is designed to offer reliable charging performance with convenient features. It utilizes a replaceable 18650 lithium battery and supports output through dual USB interfaces, making it suitable for charging various USB-powered devices.
Key Features
- Powered by replaceable 18650 lithium battery for extended usability
- Input via Micro USB interface for easy recharging
- Output power up to 5W through dual USB ports
- Constructed with ABS engineering plastics, stainless steel 304 spring, and silica gel gasket
- Small and compact size with installation hole options of 28mm or 32mm
- Bright chrome plating surface finish for durability and aesthetic
- Includes digital display for monitoring power status
- Available in six color options: Black, Blue, Green, Pink, White, and Yellow (bottom cover white)
- Designed for safe operation with high flame retardant materials to prevent heating during charging
Technical Specifications
- Battery Type: Lithium battery (replaceable 18650)
- Brand Name: NONE
- Certification: NONE
- Input Power: 5V / 1A via Micro USB
- Output Power: 5V / 1A, max output 5W via dual USB
- Main Material: ABS engineering plastics, Stainless steel 304 spring, Silica gel gasket
- Product Size: 22 x 42 x 86 mm (0.86 x 1.65 x 3.38 inches)
- Product Surface: Bright chrome plating
- Shell Material: ABS
Applications
This power bank is versatile and practical for use in controlling pneumatic switches such as those found in garbage processors, massage bathtubs, children’s toys, and similar products requiring portable power control. It supports quick and easy connection for portable charging needs.
Package Includes
1 x Power Bank Box (battery not included)
Important Notes
Please note that the 18650 battery is not included. Allow for a possible manual measurement error of 1-3 cm. Monitor differences may result in images displaying colors that slightly vary from the actual product.
Features:
OOTDTY
Support replacement of 18650 Li-battery.
Plug and for , power output using the USB port, plug the data cable to achieve portable.
High flame retardant material, no heating when charging.
Small volume and large capacity!
Six fashion colors option: Black/Blue/Green/Pink/White/Yellow(bottom cover is white)
Specifications:
Input power: 5V / 1A
Output power: 5V / 1A
Material: ABS
Size: 22x42x86mm/0.86x1.65x3.38inches
Package Includes:
1xPower Bank Box
Note:
18650 battery is not included!!
Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.









