The 4 Cell Battery Holder is a sturdy and reliable enclosure designed to securely hold four 18650 lithium-ion cells in series or parallel configurations, depending on your wiring needs. It provides a convenient way to build custom battery packs for DIY electronics, robotics, power banks, and portable devices. With clearly marked polarity and durable construction, it ensures safe and stable power delivery for a wide range of applications.
Technical Specifications
Core Specifications
Compatible battery type: 18650 lithium-ion cells (unprotected or protected)
Cell capacity supported: Standard 18 mm × 65 mm cylindrical cells
Configuration: Series or parallel based on wiring (not internally connected)
Output voltage: Depends on number and type of cells used (e.g., 14.8 V nominal for 4S configuration)
Maximum current: Determined by battery cell ratings
Electrical & Physical
High-quality ABS plastic body with metal spring contacts
Clearly marked positive and negative terminals for easy wiring
Pre-drilled mounting holes for secure installation
Wire leads for quick connection to circuits
Dimensions approximately 77 mm × 76 mm × 19 mm
Environmental
Operating temperature range: –20 °C to +60 °C
Suitable for indoor and outdoor portable power applications
Why Choose the 4 Cell 18650 Holder
Durable design ensures long-term reliability and secure battery fit
Supports custom series or parallel battery pack creation
Ideal for DIY projects, power banks, and robotics requiring high energy density
Critical Uses
DIY lithium-ion battery packs for power banks and portable electronics
Robotics and Arduino-based power supply solutions
Solar energy storage projects
Emergency backup battery systems
Pro Tips
Ensure all 18650 cells are of the same type and charge level when used together
Always use a proper BMS (Battery Management System) for safety in rechargeable applications
Check polarity carefully before connecting to prevent damage
Package Includes
1 × 4 Cell 18650 Battery Holder