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DIY 18650 Power Bank Case 2-Cell 5V 1A with LED Indicator
DIY 18650 Power Bank Case 2-Cell 5V 1A with LED Indicator
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Build Your Own Portable Charger — No Soldering Required
The DIY 2-Cell 18650 Power Bank Case lets you create a custom portable charger using your own 18650 batteries. Whether you're a hobbyist, maker, or just looking for a reliable backup charging solution, this compact case delivers up to 5,600 mAh of charging capacity with a clean, durable plastic shell and a built-in LED indicator so you always know your charge status at a glance.
Made in Mainland China.
Key Features
- No Soldering Needed: Tool-free, weld-free battery nesting design makes assembly and battery swaps fast and easy.
- Triple Protection Circuit: Intelligent circuitry provides charging control, charging protection, discharge protection, overload protection, and short-circuit protection for safe, stable performance.
- Built-In LED Indicator: Instantly shows current charge status so you're never caught off-guard.
- 5V / 1A USB Output: Compatible with smartphones, earbuds, and most USB-powered devices.
- Replaceable Batteries: Swap out depleted 18650 cells without any special tools — ideal for extended use and travel.
- 7 Color Options: Available in White, Yellow, Blue, Pink, Green, Brown, and Black to match your style.
- Long Cycle Life: Rated for 500+ charge cycles for lasting value.
- Compact & Portable: At just 96 × 45 × 22 mm, it fits easily in a pocket, bag, or backpack.
Specifications
| Capacity | 5,600 mAh (with compatible 18650 cells) |
| Output Voltage | 5.5V ± 0.2V |
| Output Current | 1A (max) |
| Input Voltage | 5V |
| Input Current | 1A (max) |
| Battery Cells | 2 × 18650 (not included) |
| Cycle Life | >500 Cycles |
| Operating Temperature | -10°C to 40°C |
| Storage/Transport Temp | -20°C to 50°C |
| Dimensions | 96 × 45 × 22 mm |
| Material | Plastic |
| Colors | White, Yellow, Blue, Pink, Green, Brown, Black |
What's in the Box
- 1 × Power Bank Case (batteries NOT included)
Note: Please refer to the dimensions listed above for actual size. Colors may vary slightly between monitors. Minor measurement differences may occur.
Pair It With More From Our Store
- "1% Better Every Day" Motivational Canvas Wall Art Print
- "Everything Is Figureoutable" Sage Green Quote Canvas Wall Art
Battery Safety Resource
For guidance on safely handling and storing lithium-ion batteries, visit the U.S. Consumer Product Safety Commission – Lithium-Ion Battery Safety Information.
Frequently Asked Questions
Q: Does the 18650 power bank case come with batteries included?
A: No, the batteries are not included. This DIY power bank case is designed to accept 2 standard 18650 lithium-ion cells, which are sold separately. Make sure to use reputable 18650 batteries for best performance and safety.
Q: What devices can I charge with this 18650 power bank case?
A: This power bank case outputs 5V at up to 1A via USB, making it compatible with most smartphones, Bluetooth earbuds, small fans, LED lights, and other USB-powered devices that support standard 1A charging.
Q: How do I assemble or swap batteries in this DIY power bank case?
A: The case features a tool-free, weld-free snap-in battery holder. Simply open the case, insert or replace your 18650 cells following the polarity markings, and close it back up — no soldering or special equipment required.
Q: Is the power bank case safe to use?
A: Yes. The intelligent circuit board inside provides multiple layers of protection including charging control, overload protection, short-circuit protection, and discharge protection, ensuring safe operation across a wide range of conditions.
