18650 Battery Holder – 4 Cell Battery Case with Wire Leads (3.7V Li-ion) for Arduino, DIY & Robotics Projects

This 4-cell 18650 battery holder accommodates four 3.7V lithium-ion batteries, providing reliable power for robotics, Arduino, IoT, and portable electronics. Features pre-attached wire leads for easy integration.

Description

Battery Type: 18650 Li-ion rechargeable (3.7V per cell)
Slots: 4 cells
Configuration: Typically in series (14.8V total); may vary
Output Voltage: ~14.8V in series or 3.7V in parallel (depends on model)
Lead Wires: Pre-soldered Red (+) and Black (–), ~15cm length
Material: ABS plastic frame with nickel-plated spring contacts
Current Capacity: Up to 3A (depends on cell quality & wiring)
Dimensions: Approx. 78mm x 78mm x 18mm (varies slightly)
Mounting: Built-in screw holes for secure installation
Applications: Robotics, high-power Arduino projects, power tools, battery packs, LED lighting
Note: Batteries not included. Use a BMS/protection circuit for safety.