The 2-Cell 18650 Li-ion Battery Case Holder securely holds two 18650 rechargeable lithium-ion cells and provides a convenient solution for DIY electronics, Arduino, robotics, LED lighting, and portable power projects.
Full Description
The Battery Case Holder for 2 Li-ion Batteries is a practical mounting solution for securely holding two 18650 lithium-ion battery cells in electronic projects and battery-powered devices.
The holder keeps the cells organized and provides convenient electrical contacts, allowing the batteries to be installed and removed without soldering directly to the cells. Depending on the version, the holder may feature wire leads for external connections or pins designed for PCB mounting.
Wire-equipped versions commonly connect the two cells in series, providing a nominal output of approximately 7.2–7.4V when using standard 3.6–3.7V 18650 cells. This makes the holder useful for Arduino projects, robotics, LED lighting, portable electronics, IoT projects, and other low-voltage applications.
Note: This product is a battery holder only. Batteries are not included.
Technical Specifications
| Specification |
Details |
| Product Type |
Battery Holder / Battery Case |
| Number of Cells |
2 |
| Compatible Battery |
18650 Li-ion |
| Nominal Cell Voltage |
3.6–3.7V |
| Connection |
Series on wire-equipped versions |
| Nominal Output |
Approx. 7.2–7.4V in series |
| Material |
Plastic |
| Color |
Black |
| Design |
Open-frame battery holder |
| Contacts |
Metal battery contacts |
| Wire Leads |
Available on selected versions |
| Wire Length |
Approx. 15cm on wire-equipped version |
| Approx. Dimensions |
76–77 × 40 × 20mm |
| ON/OFF Switch |
No |
| Batteries Included |
No |
Dimensions and connection style can vary slightly between versions.
Product Applications
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