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

18650 Li-ion Battery Storage Case – Durable ABS Holder for DIY Projects

Keep your 18650 lithium-ion cells organised, protected, and ready for action with this compact ABS plastic battery storage box. Whether you're wiring up a DIY flashlight, building a portable power bank, or working on an electronics project, this holder makes installing and swapping cells quick and hassle-free.

Key Features

• Heavy-duty ABS construction – tough, impact-resistant plastic ensures long-lasting durability for workshop and everyday use.
• Metallic spring contacts – built-in springs make inserting and removing your 18650 cells smooth and secure, ideal for electric circuit DIY work.
• Three slot configurations available:
  • 1-Slot – single-cell holder (9.5 × 4.0 × 2.0 cm)
  • 2-Slot – parallel circuit wiring (10.1 × 6.0 × 2.4 cm)
  • 3-Slot – series circuit wiring (10.1 × 8.0 × 2.4 cm)
• Versatile external power source – widely compatible with toys, LED lamps, DIY electronics, and more.
• Easy battery loading – open-top design lets you drop cells in and out in seconds.

Specifications

Note: Battery case only — batteries and any other accessories shown in product images are not included. Please allow 0–1 cm tolerance due to manual measurement. Monitor colour calibration may cause slight colour variation from actual product.

Perfect For

• DIY electronics and circuit building projects
• LED lamp and torch builds
• RC toys and portable gadgets
• Workshop and bench organisation
• Prototyping and maker/hobbyist projects

Explore More DIY Electronics Accessories

Looking to round out your DIY toolkit? Check out these related products:

• 0.25mm 1000-Turn Precision Copper Inductor Coil for DIY Circuits
• 1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino

For guidance on the safe handling and storage of lithium-ion batteries, visit the U.S. Consumer Product Safety Commission (CPSC) – Lithium-Ion Battery Safety.

Learn more: Battery holder

Frequently Asked Questions

Q: Which 18650 battery sizes fit in this battery storage case?

A: This case is specifically designed to hold standard 18650 lithium-ion cells (18mm diameter × 65mm length). Always check your cell dimensions before purchase to ensure compatibility.

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

A: The 2-slot holder connects batteries in a parallel circuit, which maintains the same voltage while increasing capacity. The 3-slot holder connects batteries in a series circuit, which adds voltage across each cell. Choose based on the power requirements of your DIY project.

Q: Are batteries included with the 18650 battery case?

A: No, this listing is for the battery case holder only. Batteries and any other accessories depicted in the product images are not included.

Q: Is this case suitable for beginner DIY electronics projects?

A: Absolutely! The spring-contact design makes it easy to insert and remove cells without soldering, making it a great choice for beginners and experienced makers alike working on lamps, toys, and circuit prototypes.