18650 Battery Case Holder – 1, 2 & 3 Slot Storage Box DIY

18650 Li-ion Battery Case Holder – 1, 2 & 3 Slot Storage Box

Keep your 18650 lithium-ion batteries organized, protected, and ready to use with this durable ABS plastic battery storage box. Available in 1-slot, 2-slot, and 3-slot configurations, these compact holders are ideal for DIY electronics projects, hobby builds, LED lighting, toys, and more. The built-in metallic spring contacts make battery installation effortless and ensure a reliable connection for your circuits.

Key Features

• Rugged ABS Construction: High-strength plastic shell provides lasting durability and protects your cells from damage during storage and use.
• Three Configuration Options: Choose from 1-slot, 2-slot (parallel circuit), or 3-slot (series circuit) to match your project's voltage and capacity needs.
• Metallic Spring Contacts: Pre-installed spring terminals allow for quick, secure battery insertion and removal — perfect for DIY circuit work.
• Compact & Lightweight: Slim profile fits neatly into projects, enclosures, and DIY builds without adding unnecessary bulk.
• Versatile Use: Suitable for powering toys, LED lamps, flashlights, and a wide range of DIY electronics.
• Easy to Use: Simply slide your 18650 cell(s) in and go — no tools required.

Specifications

What's in the Box

• 1 × 18650 Battery Case (batteries and other accessories NOT included)

Notes

• No retail packaging included.
• Please allow ±1 cm tolerance due to manual measurement.
• Actual color may vary slightly from images due to monitor differences.

You May Also Like

• 10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals
• 10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories
• 1000D Tactical EDC Bag Military Utility Storage Handbag

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What battery size fits this 18650 battery case holder?

A: This battery case is specifically designed to fit standard 18650 lithium-ion (Li-ion) cells. It does not accommodate other battery sizes such as AA, AAA, or 26650.

Q: What is the difference between the 2-slot and 3-slot configurations?

A: The 2-slot holder wires the two 18650 cells in a parallel circuit, which keeps the voltage the same while increasing capacity. The 3-slot holder connects the cells in a series circuit, which increases the total output voltage — ideal for higher-voltage DIY projects.

Q: Are batteries included with the 18650 battery storage box?

A: No, batteries are not included. The package contains only the battery case holder. You will need to supply your own 18650 Li-ion cells.

Q: Is this battery holder suitable for DIY electronics projects?

A: Absolutely! The built-in metallic spring contacts and standard wire leads make this holder a great choice for DIY electronics, LED lighting builds, hobby robotics, and other battery-powered projects requiring 18650 cells.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.