18650 Battery Holder Case 8/10 Cell DIY Bracket – Flame Retardant

Keep your 18650 lithium cells organized, secure, and ready for any DIY project with this durable 18650 Battery Holder Case. Designed to accommodate 8 or 10 cylindrical 18650 cells, this sturdy bracket provides fixed storage positions that prevent batteries from rolling, shifting, or falling — making it an essential component for electronics builds, power banks, LED projects, and more.

Why You'll Love This Battery Holder

• V0 Flame-Retardant ABS Material: Constructed from environmentally friendly, UL94 V0-rated flame-retardant ABS plastic for excellent safety performance during use and storage.
• Secure Anti-Vibration Design: Each cell slot holds batteries firmly in place, minimizing movement and reducing the risk of accidental discharge or short circuits caused by vibration.
• Fits 8 or 10 Cells: Versatile configuration accommodates various pack sizes to suit your specific DIY power requirements.
• Convenient Size: Measures 5.98 × 7.48 in (15.2 × 19.0 cm) — compact enough for tight builds yet spacious enough for multi-cell packs.
• DIY-Friendly Build: Designed for hobbyists, makers, and electronics enthusiasts who need a reliable and safe battery housing for custom power solutions.
• Durable for Daily Use: Rigid construction holds up through repeated assembly and disassembly without cracking or warping.

Product Specifications

• Compatible Cell Size: 18650 cylindrical lithium cells
• Cell Capacity: 8 or 10 cells
• Material: Environmentally friendly V0 flame-retardant ABS plastic
• Dimensions: 5.98 × 7.48 in / 15.2 × 19.0 cm
• Design Feature: Anti-vibration fixed-position slots
• Ideal For: DIY power packs, LED builds, robotics, electronics projects

Perfect For These Projects

Whether you're building a custom power bank, a battery backup system, an electric vehicle battery pack prototype, or any electronics project requiring reliable 18650 cell storage, this bracket delivers the structural support and safety performance you need. A great addition to any maker's toolkit.

For guidance on safe handling and storage of lithium batteries in DIY applications, the U.S. Consumer Product Safety Commission (CPSC) offers helpful safety information.

Frequently Asked Questions

Q: What size batteries does this 18650 battery holder case fit?

A: This battery holder case is specifically designed for standard 18650 cylindrical lithium cells, which measure 18mm in diameter and 65mm in length. It supports configurations of 8 or 10 cells depending on the variant selected, making it ideal for DIY battery pack builds.

Q: What material is the 18650 battery bracket made from?

A: The bracket is made from environmentally friendly V0 flame-retardant ABS plastic. V0 is the highest rating in the UL94 flammability standard for plastics, meaning the material self-extinguishes quickly if exposed to a flame — an important safety feature for any battery storage application.

Q: How does the anti-vibration design work?

A: Each cell slot is precisely sized to grip 18650 batteries snugly, holding them in a fixed position. This prevents rolling, sliding, or rattling during use, which helps maintain stable electrical contact and reduces the risk of accidental short circuits caused by battery movement.

Q: Is this battery holder suitable for beginners in DIY electronics?

A: Yes! The holder requires no tools or special skills to load and use — simply insert your 18650 cells into the designated slots. Its straightforward design makes it accessible for hobbyists of all experience levels while still meeting the build quality demands of more advanced makers.