Build your own portable power bank with this DIY Power Bank Case, designed to hold three 18650 rechargeable batteries (batteries not included). Featuring dual USB outputs with 5V/2A fast charging, this compact enclosure is ideal for charging smartphones, tablets, earbuds, portable fans, and other USB-powered devices.
The integrated LED indicator displays charging and battery status, while the built-in LED night light provides added convenience during camping, travel, emergencies, or everyday use. Made from durable ABS material, the case offers reliable protection and long-lasting performance.
Its lightweight, portable design makes it easy to carry in a backpack, travel bag, or toolbox, making it an excellent DIY project for electronics enthusiasts.
Compatible with 3 × 18650 rechargeable batteries (not included)
Dual USB output ports for charging two devices simultaneously
5V/2A fast charging output
Built-in LED battery status indicators
Integrated LED night light
Durable ABS plastic construction
Compact, lightweight, and portable design
Easy battery installation and replacement
Ideal for travel, camping, emergency backup, and everyday use
1 × DIY Power Bank Case
Batteries not included
Note: This product is a DIY power bank enclosure only and does not include 18650 batteries. Use high-quality, matching rechargeable batteries for the best performance and safety.