18650 Battery Case Holder – 1/2/3 Slot ABS Storage Box DIY
18650 Li-Ion Battery Storage Case – Organize, Protect & Power Your DIY Projects
Keep your 18650 lithium-ion batteries safe, organized, and ready to use with this durable ABS plastic battery holder. Whether you're building a custom power bank, wiring a lamp, or powering a DIY electronics project, this compact case makes battery management effortless. Available in 1-slot, 2-slot, and 3-slot configurations to suit any application.
Key Features
- Heavy-Duty ABS Construction: Strong, impact-resistant plastic ensures long-lasting durability and reliable protection for your 18650 cells.
- Metallic Spring Contacts: Built-in spring terminals make battery installation quick and secure — perfect for DIY circuit work.
- Multiple Slot Options: Choose from 1-slot, 2-slot (parallel circuit), or 3-slot (series circuit) configurations depending on your voltage and capacity needs.
- Versatile Use: Ideal as an external power source for toys, lamps, flashlights, LED strips, electronics projects, and more.
- Compact & Lightweight: Slim profile fits easily into builds, enclosures, or storage drawers without taking up excess space.
- Easy Battery Access: Snap-in design allows quick battery swaps with no tools required.
Specifications
| Material | ABS Plastic |
| Color | Black |
| Slot Options | 1 Slot / 2 Slots / 3 Slots |
| Circuit Type | 2-Slot: Parallel | 3-Slot: Series |
| Dimensions (3-Slot) | 10.1 × 8.0 × 2.4 cm (3.98 × 3.15 × 0.94 in) |
| Dimensions (2-Slot) | 10.1 × 6.0 × 2.4 cm (3.98 × 2.36 × 0.94 in) |
| Dimensions (1-Slot) | 9.5 × 4.0 × 2.0 cm (3.74 × 1.57 × 0.79 in) |
| Country of Origin | Made in China |
What's in the Box
- 1 × 18650 Battery Case (batteries and other accessories NOT included)
Please note: No retail packaging. Allow 0–1 cm variance due to manual measurement. Colors may vary slightly between monitors.
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For more information on safe battery handling and storage, visit the U.S. Consumer Product Safety Commission – Battery Safety resource page.
Frequently Asked Questions
Q: What size batteries fit in this 18650 battery case holder?
A: This battery case is designed specifically for standard 18650 lithium-ion cells, which measure 18mm in diameter and 65mm in length. It is not compatible with AA, AAA, or other battery sizes.
Q: What is the difference between the 2-slot and 3-slot battery case 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 increases total voltage output. Choose based on your project's power requirements.
Q: Can I use this battery case for DIY electronics and power bank projects?
A: Yes! The metallic spring contacts and standard lead-out wires make this holder an excellent choice for DIY electronics, custom power banks, LED lighting rigs, flashlight builds, and hobbyist circuit projects.
Q: Are batteries or other accessories included with the battery case?
A: No — this listing includes the battery case only. Batteries and any other accessories shown in product images are for demonstration purposes and are not included in the package.