Portable 20W Fast Charging Power Bank Case for 21700 Battery
DIY-friendly power bank case with solder-free design and 20W fast charging. Features dual Type-C cables, battery indicator lights, and built-in safety protections.
Effortless DIY Assembly
This power bank case features a solder-free design, allowing electronics enthusiasts to quickly assemble without complex tools or soldering skills. Perfect for custom builds and easy maintenance.
Fast and Convenient Charging
Supports up to 20W PD output compatible with mainstream Type-C devices, boosting charging speed. Includes a detachable dual-cable Type-C setup for hassle-free charging and easy cable storage.
Durable, Eco-Friendly Construction
The shell is made from eco-friendly plastic and designed for easy disassembly. Users can conveniently replace the single 21700 battery or access the circuit board, extending the power bank’s lifespan.
Smart Battery Level Monitoring
Four indicator lights clearly display battery capacity. When fully charged, all four lights glow steadily. A green light shows when fast charging is active, providing real-time status.
Comprehensive Safety Features
Built-in protections prevent overcharge, over-discharge, overvoltage, and overcurrent. These advanced safeguards ensure safe, reliable operation while protecting your devices and battery.
Key Specifications
- Housing Material: Eco-friendly plastic
- Recommended Battery: 1 flat-top 21700 (not included)
- Ports: USB fast-charge output, Type-C bidirectional fast-charge, integrated Type-C cable
- Charging Input: 5V 2A/3A, 9V 2.2A, 12V 1.67A
- Output: 5V 2A/3A, 9V 2.2A, 10V 2.25A, 12V 1.67A
- Battery Level Indicator: 4 LED lights show charge status
What's in the box
- Power Bank Housing*1
