The 2 Cell 18650 Battery Holder is a sturdy and reliable enclosure designed to securely hold two 18650 lithium-ion cells. It offers a convenient way to create custom battery packs for robotics, DIY electronics, power banks, and portable devices. The holder can be wired in series or parallel depending on your project needs, delivering stable and efficient power output.
Technical Specifications
Core Specifications
Compatible battery type: 18650 lithium-ion cells (unprotected or protected)
Cell size supported: Standard 18 mm × 65 mm cylindrical cells
Configuration: Series or parallel depending on wiring (not internally connected)
Output voltage: Depends on configuration and cells used (e.g., 7.4 V nominal for 2S)
Maximum current: Determined by the cell discharge ratings
Electrical & Physical
Durable ABS plastic body with nickel-plated spring contacts
Clearly marked positive and negative terminals for easy wiring
Pre-soldered wire leads for quick integration into circuits
Pre-drilled mounting holes for secure attachment
Dimensions approximately 77 mm × 40 mm × 19 mm
Environmental
Operating temperature range: –20 °C to +60 °C
Suitable for indoor and portable power applications
Why Choose the 2 Cell 18650 Holder
Securely holds two 18650 cells for dependable power delivery
Supports series or parallel wiring for flexible voltage or capacity needs
Ideal for DIY power banks, robotics, and small electronic projects
Critical Uses
DIY lithium-ion battery packs for portable electronics
Arduino and Raspberry Pi power supply solutions
Solar energy storage or backup systems
Robotics and motorized gadgets requiring higher voltage
Pro Tips
Use identical cells with the same capacity and charge level for best performance
Include a Battery Management System (BMS) for safe rechargeable operation
Check polarity before connecting to avoid damage to your circuit
Package Includes
1 × 2 Cell 18650 Battery Holder