Peaceful Pleasures Health and Wellness
DIY 18650 Power Bank Case – Dual USB, Type-C & LED Light
DIY 18650 Power Bank Case – Dual USB, Type-C & LED Light
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Build Your Own High-Capacity Power Bank – With LED Camping Light Included!
Power up your adventures with this versatile DIY 18650 Battery Power Bank Shell. Designed for makers, campers, travelers, and everyday users, this solder-free kit lets you build a custom power bank that holds up to 6 × 18650 batteries (not included) for massive capacity and long-lasting charge. With a built-in digital display, dual USB + Type-C ports, and a multi-mode LED camping light, this is the all-in-one portable charging solution you've been looking for.
Made in Mainland China.
Key Features
- 🔌 10W Fast Charging Output – Delivers stable 10W power to charge your devices quickly and reliably.
- 📊 Digital Real-Time Display – Always know exactly how much battery life remains with the live percentage readout.
- 🔦 Multi-Mode LED Camping Light – 4 adjustable light modes: high, low, strobe, and SOS – perfect for camping, emergencies, and nighttime use.
- 🔧 Solder-Free DIY Assembly – No welding or special tools needed. Just install your 18650 batteries and screw the case closed.
- 🔋 Holds 6 × 18650 Batteries – Massive capacity potential. Use quality ternary lithium 18650 batteries of the same capacity for best results. (Batteries NOT included.)
- ⚡ Triple Port Connectivity – 2 × USB-A outputs + 1 × bidirectional Type-C port (input & output) for charging multiple devices simultaneously.
- 🛡️ Anti-Slip Carbon Grain Shell – Durable, grip-friendly outer casing keeps your power bank secure in any conditions.
- 🔩 Detachable Screw-Fixed Design – Easily replace or swap batteries without damaging the case.
- ✈️ Compact & Travel-Friendly – Portable size makes it ideal for backpacking, road trips, outdoor sports, and everyday carry.
Perfect For
- Camping, hiking & outdoor adventures
- Emergency preparedness & power outages
- Travel & on-the-go charging
- DIY electronics enthusiasts
- Home backup power
Important Safety Notes
- ⚠️ Always install 18650 batteries with the correct polarity. Check the positive and negative terminals carefully before closing the case.
- ⚠️ Do NOT use old, damaged, or mismatched batteries. Always use new, quality ternary lithium 18650 cells with the same capacity rating.
- ⚠️ Keep away from water, extreme heat, and direct sunlight for extended periods.
Specifications
| Battery Compatibility | 6 × 18650 Li-ion (not included) |
| Output Power | 10W (max) |
| Ports | 2 × USB-A + 1 × Type-C (bidirectional) |
| LED Light Modes | 4 modes (High / Low / Strobe / SOS) |
| Display | Digital % battery indicator |
| Shell Material | Anti-slip carbon grain casing |
| Assembly | Solder-free, screw-fixed DIY |
| Origin | Made in Mainland China |
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Learn More About Battery Safety
For guidance on safe lithium-ion battery handling and storage, visit the U.S. EPA – Used Lithium-Ion Batteries.
Frequently Asked Questions
Q: Do the 18650 batteries come included with this DIY power bank case?
A: No, the 18650 batteries are NOT included. You will need to purchase 6 × 18650 lithium-ion batteries separately. We strongly recommend using new, high-quality ternary lithium 18650 cells of the same capacity for optimal performance and safety.
Q: Can I charge my phone while also charging the power bank itself?
A: Yes! The bidirectional Type-C port supports both input (charging the power bank) and output (charging your devices), so you can use it flexibly depending on your needs. Note that simultaneous charge-in and charge-out (pass-through) performance may vary.
Q: Is this power bank case difficult to assemble?
A: Not at all! This DIY 18650 power bank shell is fully solder-free and requires no special tools or technical skills. Simply insert your batteries with the correct polarity and secure the case with the included screws. It's designed for quick, easy, beginner-friendly assembly.
Q: What are the 4 LED camping light modes?
A: The built-in LED light features 4 modes: High Brightness, Low Brightness, Strobe, and SOS emergency flash — making it practical for camping, hiking, power outages, and emergency situations.
Q: How many devices can I charge at the same time?
A: This power bank shell features 3 output ports — 2 USB-A ports and 1 Type-C port — allowing you to charge up to 3 devices simultaneously, perfect for families or multi-device users on the go.
