DIY 3×18650 Battery Power Bank Case

The Electrozonbd DIY 3×18650 Battery Power Bank Case** is a durable, compact, and lightweight case for building your own high-capacity power bank. Designed for hobbyists and electronics enthusiasts, it securely holds three 18650 lithium-ion batteries and supports USB charging modules for smartphones, tablets, and other USB devices.

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Product Details:

* Type: DIY 3×18650 battery power bank case
* Compatible Battery: 3 × 18650 lithium-ion cells (not included)
* Output: USB 5V (with charging module)
* Material: Durable ABS plastic housing
* Design: Compact, lightweight, secure battery slots
* Use: Build custom portable chargers for phones, tablets, LED lights, and other USB gadgets

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Product Specifications:

| Feature | Specification |
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Battery Slots:       3 × 18650 Li-ion cells |
Output Voltage:  USB 5V (via module) |
Input Voltage:     DC 5V (via module) |
Material:              Durable ABS plastic |
Design:                 Compact, lightweight, DIY-friendly |
Application:        DIY custom power bank for portable electronics |