PD 22.5W 2-Cell 21700 Battery Power Bank Kit DIY

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.

Includes multiple built-in security protections such as overcharge, overdischarge, overvoltage, and overheating safeguards to ensure safe operation.

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.

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.

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.

• 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)

• 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