PD 22.5W 2-Cell 21700 Battery Power Bank Kit DIY
DIY power bank kit supporting 22.5W fast charging with Type-C bidirectional port. Holds 2 x 21700 batteries (not included) and features digital battery level display.
Efficient fast charging performance
Supports 22.5W super fast charging for efficient and quick power replenishment.
Equipped with a Type-C bidirectional fast charging port compatible with a wide range of devices.
Advanced protection features
Includes multiple built-in security protections such as overcharge, overdischarge, overvoltage, and overheating safeguards to ensure safe operation.
Convenient digital battery indicator
Features a real-time digital display that shows the battery level clearly for easy monitoring.
Lightweight and portable with a simple, practical design for everyday use.
User-friendly DIY design
Welding-free design allows easy installation and replacement of 2 21700 battery cells (batteries not included).
Anti-reverse protection prevents damage if batteries are installed incorrectly, enhancing safety and durability.
Compatibility and usage notes
Compatible with 21700 lithium batteries of various brands; minor size variations may require supplied sponge adhesive for secure fit.
Recommends using batteries with intact outer skin and normal voltage for stable fast charging and output.
Key specifications
- Input Voltage/Current: 5V 2A / 5V 3A / 9V 2.2A / 12V 1.6A
- Output Voltage/Current: 5V 2A / 5V 3A / 9V 2.2A / 12V 1.6A / 10V 2.25A
- Motherboard Size: Approximately 16 x 21 x 17mm
- Fast Charging Chip: Zhirong S620
- Battery Cells Supported: 2 x 21700 (batteries not included)
What's in the box
- Quick charging welding-free battery box (no batteries included)
- Hanging rope storage buckle
- Type-C to Type-C charging cable
- USB-A to Type-C charging cable
- Sponge adhesive glue
