DIY 21700 Power Bank Case Kit – Type-C 5V1A Solder Free
DIY 21700 Power Bank Case Kit – Type-C 5V1A Solder Free
DIY 21700 Battery Power Bank Case – Portable Type-C Mini Power Supply Kit
Build your own compact, solder-free power bank with this DIY 21700 Battery Power Bank Case Kit. Designed for electronics enthusiasts, hobbyists, and everyday users alike, this lightweight plastic shell lets you create a custom portable charger using a standard 21700 cell — no soldering required. Simply assemble, insert your battery, and enjoy on-the-go power via the Type-C port at 5V/1A output.
Made in Mainland China.
Key Features
- Solder-Free Assembly: Beginner-friendly design — no soldering tools needed. Snap it together in minutes for a fully functional mini power supply.
- Type-C Output (5V/1A): Compatible with a wide range of modern devices, including smartphones, earbuds, and other USB-powered electronics.
- Slim & Lightweight: Matte plastic housing keeps the unit ultra-portable — perfect for commutes, travel, outdoor activities, and office use.
- Fashionable Design: Sleek, eye-catching aesthetic that suits both personal daily use and corporate gifting or promotional events.
- Fits 21700 Battery: Compatible with standard 21700 lithium cells (battery not included). Easy to replace or upgrade your cell as needed.
- Comes with Charging Lanyard: Attached lanyard for convenient carrying and quick access wherever you go.
- Professionally Tested: Quality-assured construction ensures reliable, consistent output every time.
Specifications
| Item Type | DIY Power Bank Case / Shell |
| Compatible Battery | 21700 Li-ion Cell (not included) |
| Output Port | Type-C |
| Output | 5V / 1A |
| Material | Matte Plastic |
| Assembly | Solder-Free DIY Kit |
| Quantity | 1 piece per package |
| Origin | Mainland China |
Ideal For
- Daily commuting and travel power backup
- DIY electronics projects and prototyping
- Corporate gifting and promotional event souvenirs
- Office and outdoor use
- Makers, hobbyists, and electronics students
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Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: Does the DIY 21700 Power Bank Case Kit include the battery?
A: No, the 21700 lithium-ion battery is not included. You will need to purchase a compatible 21700 cell separately and insert it into the case to complete your DIY power bank.
Q: Do I need soldering skills or special tools to assemble this power bank case kit?
A: Not at all! This kit is specifically designed as a solder-free DIY assembly, making it accessible for beginners and hobbyists. No soldering iron or technical expertise is required — simply follow the assembly steps and your mini power supply will be ready to use.
Q: What devices can I charge with this Type-C power bank case?
A: The Type-C output (5V/1A) is compatible with a wide range of USB-powered electronics, including smartphones, wireless earbuds, small gadgets, and other devices that support standard USB charging. It is ideal as a backup power source for everyday portable electronics.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.