Aluminum Alloy DIY 18650 Power Bank Box | Portable Charger Shell
Aluminum Alloy DIY 18650 Power Bank Box | Portable Charger Shell
Build Your Own Portable Charger with This Aluminum Alloy DIY Power Bank Box
Take control of your on-the-go charging with this sleek, durable aluminum alloy DIY power bank enclosure. Designed for a single 18650 battery, this compact shell lets you create a custom portable charger for smartphones and other USB-powered devices — perfect for makers, tinkerers, and anyone who loves a hands-on electronics project.
The solid aluminum alloy construction keeps your build lightweight yet sturdy, while the detachable design makes battery swaps quick and hassle-free. At just 90 × 20 × 20 mm, it slips easily into a pocket or bag.
Key Features
- Material: Premium aluminum alloy — lightweight, durable, and heat-dissipating
- Compatible Battery: 1 × 18650 cell (unprotected flat-top, battery NOT included)
- Compact Dimensions: 90 × 20 × 20 mm — ultra-portable form factor
- Detachable Design: Easy access for battery installation and replacement
- DIY Friendly: Great for electronics hobbyists and makers
- Versatile Use: Compatible with mobile phones and other USB-charged devices
Important Usage Notes
- Polarity matters: Always install the 18650 battery strictly according to the positive (+) and negative (−) terminal markings. The spring end is the negative terminal. Incorrect installation may damage the unit.
- Battery type: Use only an unprotected flat-top 18650 battery. Button-top or protected cells are not recommended.
- Battery not included: Package contains 1 × DIY power bank shell only.
- Appearance note: This product is continuously improved; minor variations in color or finish may occur. Please consider this before ordering if you have specific appearance requirements.
Made in Mainland China.
What's in the Box?
- 1 × Aluminum Alloy DIY 18650 Power Bank Box (battery not included)
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: What type of 18650 battery does this DIY power bank box require?
A: This aluminum alloy power bank shell is compatible with unprotected flat-top 18650 batteries only. Protected or button-top 18650 cells may not fit correctly inside the enclosure. Please ensure you source the correct battery type before use.
Q: Is the 18650 battery included with this power bank enclosure?
A: No — the package includes one DIY aluminum alloy power bank box shell only. The 18650 battery must be purchased separately. This gives you the flexibility to choose a battery that best suits your capacity and brand preferences.
Q: Can this DIY 18650 power bank box charge a smartphone?
A: Yes! This enclosure is designed to work as a portable charger for mobile phones and other USB-powered devices. Simply install a compatible unprotected flat-top 18650 cell (not included) and connect your device via the built-in output port to start charging.
Q: What are the dimensions of this aluminum power bank shell?
A: The enclosure measures 90 × 20 × 20 mm, making it extremely compact and pocket-friendly — ideal for carrying alongside your phone, keys, or in a small bag when you need a backup charge on the go.
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.