DIY 18650 Power Bank Case 6-Slot | USB-C & Camping Light

Build Your Own High-Capacity Power Bank — Ready for Any Adventure

Take charge of your power needs with this versatile DIY 18650 Battery Power Bank Case. Designed for makers, outdoor enthusiasts, and everyday users alike, this all-in-one battery storage box lets you build a custom, high-capacity portable charger without any soldering or complex wiring. Just drop in up to 6 × 18650 batteries, screw it together, and you're ready to go. Made in Mainland China.

Key Features

• ⚡ 10W Multi-Device Charging: Equipped with 2 × USB-A ports and 1 × USB Type-C port, charge up to three devices simultaneously — perfect for phones, tablets, earbuds, and more.
• 🔦 Built-In Camping Light: Integrated LED camping light doubles as a bright torch or a soft night light — ideal for tents, power outages, or late-night adventures.
• 🔋 Supports 6 × 18650 Batteries: Accommodate six 18650 cells for massive capacity and extended battery life. Use matched, new ternary lithium 18650 batteries for best performance and safety.
• 🔧 No Soldering Required: Fully screw-assembled and detachable — swap batteries in seconds without damaging the housing. No secondary processing needed.
• 📊 Smart Battery Display: Built-in digital indicator shows remaining battery percentage at a glance, so you're never caught off guard.
• 🌍 Multi-Scenario Use: Perfect for camping, hiking, travel, emergencies, home backup power, and everyday carry.

Specifications

⚠️ Battery Safety Tips

Always install 18650 batteries with correct polarity (positive end as indicated). Never use damaged, mismatched, or old batteries. For best results and safety, use new, matched ternary lithium 18650 cells of equal capacity. For guidance on lithium battery safety, refer to the U.S. Consumer Product Safety Commission (CPSC) Lithium Battery Safety Guide.

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Frequently Asked Questions

Q: Does this 18650 power bank DIY case come with batteries included?

A: No, the batteries are not included. You will need to supply your own 18650 lithium-ion cells. For optimal performance and safety, we recommend using six new, matched ternary lithium 18650 batteries with the same capacity rating.

Q: Can I charge multiple devices at the same time with this power bank case?

A: Yes! The case features 2 × USB-A ports and 1 × USB Type-C port, allowing you to charge up to three devices simultaneously at up to 10W total output. It's ideal for charging smartphones, earbuds, smartwatches, and other USB-powered devices.

Q: Is the camping light detachable, and how bright is it?

A: Yes, the integrated camping light is detachable for convenient use. It functions as a strong-beam torch for outdoor activities or as a soft ambient night light indoors, making this power bank case a truly multi-functional tool for camping, hiking, and emergency preparedness.

Q: Do I need any special tools or soldering equipment to assemble this DIY power bank?

A: No soldering is required at all. The case is screw-assembled and fully detachable, meaning you can install or replace batteries easily using only a basic screwdriver. This makes it beginner-friendly and accessible for all skill levels.