Powerbank Case 4×21700 Battery Holder with PD Fast Charge
Compact DIY powerbank case holds 4x21700 batteries (not included) with no welding required.
- Supports PD fast charging for quick device power-up.
- Built-in safety circuits protect against overcharge and discharge.
- Lightweight plastic design ideal for travel and outdoor use.
Effortless DIY Power Storage
This powerbank case is designed for enthusiasts and DIYers wanting a portable power solution without soldering. It holds four 21700 batteries (not included), allowing you to create your own powerbank conveniently and safely.
The plastic enclosure is lightweight, making it ideal for travel, camping, or any on-the-go charging need.
Advanced Fast Charging with Safety
Support for Power Delivery (PD) enables rapid charging at multiple voltage levels, ensuring your devices power up quickly and efficiently.
Built-in safety circuits protect against overcharge and discharge, keeping your batteries and devices safe during use.
- USB Output: 5V/4.5A, 9V/2.5A, 12V/1.87A (limited to 5V when multiple ports used)
- Type-C Output: 5V/3.10A, 9V/2.22A, 12V/1.67A with PD support
Smart Design with Clear Display
A built-in LCD display clearly shows charging status and power levels, helping you monitor your battery bank effectively.
The no welding required design simplifies assembly, reducing setup time and technical barriers.
Key Specifications
- Material: Plastic
- Battery Capacity: Supports 4 x 21700 batteries (not included)
- Output Power: Generally 22.5W, max about 27W
- Input: 5V/2A
- Type-C Input: 5V/3A, 9V/2A, 12V/1.5A (no simultaneous input)
What’s in the Box
1 x DIY powerbank case (batteries not included)
What's in the box
- 1 x DIY powerbank case (batteries not included)
