The 4 Cell 18650 Lithium-ion Battery Holder is a durable and reliable battery holder designed to securely accommodate four standard 18650 lithium-ion rechargeable batteries. It provides a convenient solution for building removable battery packs used in robotics, portable electronic devices, DIY electronics, power banks, solar energy systems, LED lighting, battery backup units, and embedded projects. Its sturdy construction ensures secure battery retention while allowing quick battery installation and replacement whenever required.

The holder is manufactured from high-quality ABS plastic and features nickel-plated spring contacts and flat terminals that provide excellent electrical conductivity and dependable battery connections. By eliminating the need to solder directly to lithium-ion cells, it helps protect the batteries from heat damage while simplifying battery maintenance and replacement.

Most 4-cell battery holders are wired in a series (4S) configuration, providing a nominal output voltage of approximately 14.8V when used with four 3.7V lithium-ion cells. This makes the holder suitable for powering DC motors, robotics, Arduino projects, ESP32 systems, Raspberry Pi applications, portable instruments, UPS systems, battery-powered prototypes, and various embedded electronic devices requiring a rechargeable power source.

The holder is supplied with pre-attached wire leads for easy integration into electronic circuits and supports both protected and most standard unprotected 18650 lithium-ion batteries. Its lightweight design, durable construction, and ease of use make it an excellent choice for students, hobbyists, engineers, educators, and makers developing reliable battery-powered electronic projects.

 Key Features

• Holds four standard 18650 lithium-ion rechargeable batteries
• Durable ABS plastic construction
• High-quality nickel-plated spring contacts
• Secure battery retention
• Reliable electrical conductivity
• Easy battery installation and replacement
• Eliminates soldering directly to battery cells
• Pre-attached wire leads for quick circuit connection
• Suitable for removable battery pack designs
• Supports protected and standard 18650 cells
• Commonly available in 4-cell series configuration
• Lightweight and compact design
• Ideal for DIY electronics projects
• Suitable for robotics and automation systems
• Suitable for portable electronic devices
• Can be used in solar and backup power systems
• Reusable and easy to maintain
• Long service life
• Ideal for students, hobbyists, makers, and engineers