Metal Power Bank DIY Kit – 18650 Battery & USB Charger
Metal Power Bank DIY Kit – 18650 Battery & USB Charger
Build Your Own Metal Power Bank – No Soldering Required!
The Metal Power Bank DIY Kit lets you assemble a fully functional 5V USB external charger from scratch — no welding, no soldering, no specialized skills needed. Everything comes in the box, including a genuine 18650 lithium battery, a sturdy metal shell, and a 5V 1A USB charging circuit board. It's a hands-on electronics project that's as practical as it is fun.
Whether you're an electronics hobbyist, a maker, a student learning about circuits, or simply someone who wants a custom portable charger, this kit delivers a rewarding build experience and a genuinely useful finished product.
What's in the Box
- 1× Metal power bank shell / housing
- 1× 18650 rechargeable lithium battery
- 1× 5V 1A USB charging circuit board (voltage regulator module)
- 1× Protective storage case
- All hardware needed for assembly
Key Features
- No welding or soldering required — snap-fit, tool-free assembly
- Metal construction — durable, heat-dissipating housing 5V 1A USB output — compatible with smartphones, earbuds, and other USB-charged devices
- Includes 18650 battery — ready to charge right away
- Storage case included — keep your kit or finished bank protected
- Great DIY / STEM project — ideal for learning about battery management and USB power circuits
- Compact & portable — slim enough to carry in a pocket or bag
Specifications
| Output / Input Voltage | 5V |
| Output Current | 1A (USB) |
| Battery Included | 1× 18650 Li-ion |
| Shell Material | Metal |
| Connector | USB-A |
| Country of Origin | Made in China |
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Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: Does this metal power bank DIY kit really require no soldering or welding?
A: Correct! The kit is designed for tool-free, snap-fit assembly. All components connect without any welding or soldering, making it accessible to beginners and hobbyists of all skill levels.
Q: Is the 18650 battery included and is it pre-charged?
A: Yes, one 18650 lithium-ion battery is included in the kit. We recommend giving it a full charge via the USB input before first use to get the best performance from your assembled power bank.
Q: What devices can I charge with this power bank?
A: The assembled power bank outputs 5V at 1A via its USB-A port, making it compatible with most smartphones, Bluetooth earbuds, small LED lights, and other USB-charged devices that operate within that power range.
Q: Is this a good STEM or electronics learning project?
A: Absolutely. This kit is a great hands-on introduction to battery management circuits, USB power delivery, and voltage regulation — perfect for students, hobbyists, or anyone curious about how portable chargers work.