DIY Power Bank Case for 18650 Battery – USB Charger Shell
DIY Power Bank Case for 18650 Battery – USB Charger Shell
DIY Power Bank Case – Portable USB Charging Shell for 18650 Battery
Build your own portable charger with this compact and lightweight DIY Power Bank Case. Designed to house a single 18650 Li-Ion battery (not included), this sleek shell lets you create a custom portable charger for your smartphone, iPod, MP3, MP4, GPS, PDA, and more. Available in six fun colors, it's as stylish as it is practical.
Whether you're a hobbyist, a DIY enthusiast, or just looking for an affordable backup charging solution, this kit gives you full control. Simply insert your 18650 battery, connect via Micro USB, and you're ready to charge on the go.
Key Features
- Compact & Lightweight: Slim profile (9.5 cm × 2.5 cm × 2 cm) slips easily into any pocket or bag
- Self-Adaptive Charging Technology: Delivers intelligent, efficient, and safe USB output
- Wide Compatibility: Works with smartphones, iPod, iPad, MP3, MP4, PDA, GPS, and other USB-powered devices
- DIY Kit Design: Accepts 1 × 18650 3.7V Li-Ion battery (battery NOT included)
- Available in 6 Colors: White, Black, Yellow, Green, Blue, Pink
- Input: DC 5V via Micro USB | Output: DC 5V via USB
Specifications
- Input: DC 5V (Micro USB)
- Output: DC 5V (USB)
- Compatible Battery: 1 × 18650 3.7V Li-Ion (not included)
- Dimensions: 9.5 cm × 2.5 cm × 2 cm / 3.74″ × 0.98″ × 0.79″
- Colors: White, Black, Yellow, Green, Blue, Pink
- Quantity: 1 Piece
Made in Mainland China.
⚠️ Important: The 18650 battery and USB charging cable are NOT included. Always insert the battery with correct polarity (positive/negative orientation). Incorrect installation may damage the unit. This product has passed professional quality testing.
Explore More Useful Accessories
- Large Capacity Pencil Pen Bag – Zipper Fabric Stationery Organizer – great for carrying cables and small accessories
- 8-Piece Stainless Steel Shot Glasses Set with Storage Bag
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: Does this DIY power bank case come with a battery or USB cable?
A: No, this is a power bank shell/case only. You will need to supply your own 18650 3.7V Li-Ion battery and a Micro USB cable (neither is included in the package).
Q: What devices can I charge with this portable power bank case?
A: This power bank shell is compatible with a wide range of USB-powered devices, including smartphones, iPod, iPad, MP3 players, MP4 players, PDA devices, GPS units, and more — making it a versatile DIY charging solution.
Q: How do I charge the 18650 battery inside the case?
A: You can charge the 18650 battery either by connecting the power bank case to a USB power source via Micro USB cable, or by removing the battery and charging it separately with a dedicated 18650 battery charger.
Q: Is this power bank case safe to use?
A: Yes — the case features self-adaptive charging technology for efficient and safe operation. Always ensure you insert the battery with the correct polarity to avoid damage. All units are tested before shipping.