DIY 18650 Power Bank Case 2-Cell 5600mAh Battery Box
DIY 18650 Power Bank Case 2-Cell 5600mAh Battery Box
Build your own portable charger with this DIY 2-Cell 18650 Power Bank Case — a compact, lightweight battery enclosure that lets you assemble a custom 5600mAh portable charger for smartphones and other USB-powered devices. Made from durable plastic, this clever little box is the perfect weekend electronics project or a practical everyday carry essential.
With a slim 96 × 45 × 22 mm profile, it slips effortlessly into a pocket, bag, or backpack. The built-in LED indicator light lets you monitor charge status at a glance, so you always know how much power you have left. Available in 7 color options to match your personal style.
Key Features
- DIY-Friendly Design: Holds 2 × 18650 rechargeable batteries (sold separately) for up to 5600mAh capacity
- 5V 1A USB Output: Compatible with smartphones, earbuds, and other standard USB devices
- LED Indicator Light: Real-time battery level display at a glance
- Compact & Portable: Measures just 96 × 45 × 22 mm — ultra-slim for everyday carry
- Durable Plastic Shell: Built to withstand daily use
- 7 Color Choices: Pick the one that fits your style
- Great Gift Idea: A thoughtful, practical present for tech enthusiasts and DIY hobbyists
Specifications
| Compatible Batteries | 2 × 18650 (not included) |
| Capacity | Up to 5600mAh |
| Output | 5V / 1A USB |
| Dimensions | 96 × 45 × 22 mm |
| Material | Plastic |
| Indicator | LED charge indicator light |
| Available Colors | 7 options |
For more information on battery safety and best practices when using rechargeable lithium batteries, visit the U.S. Consumer Product Safety Commission – Lithium Battery Safety.
Frequently Asked Questions
Q: What batteries does the DIY 18650 Power Bank Case require?
A: This power bank case is designed to hold 2 × 18650 rechargeable lithium batteries, providing up to 5600mAh of total capacity. Please note that the 18650 batteries are not included and must be purchased separately.
Q: What devices can I charge with this 18650 power bank case?
A: The case outputs 5V at 1A via a standard USB port, making it compatible with most smartphones, Bluetooth earbuds, small tablets, and other USB-powered devices.
Q: How do I know when my power bank is running low?
A: The built-in LED indicator light displays the current battery status, so you can monitor your remaining charge at a glance without guessing.
Q: Is this power bank case suitable as a gift?
A: Absolutely! With 7 color options and a practical, fun DIY assembly design, this power bank case makes a great gift for tech enthusiasts, hobbyists, students, or anyone who loves clever everyday carry gadgets.