4 x 18650 Cell Box Case Holder for Battery

The 4 x 18650 Cell Box Case Holder for Battery is a protective and organized battery mounting solution designed to securely hold four 18650 lithium-ion cells. It is widely used in electronics, robotics, and DIY power supply systems where multiple batteries are needed for higher voltage or increased capacity.

This battery holder allows users to easily arrange batteries in series or parallel configuration, depending on the required output. In a series connection, the voltage increases, while in a parallel connection, the capacity increases. This flexibility makes it highly useful for custom battery pack building.

The holder is made from strong and durable plastic material that ensures safety and long-lasting use. Inside, it contains metal spring contacts that provide stable electrical connections with the battery terminals, ensuring efficient power flow and reducing the risk of loose connections.

It is commonly used in portable power systems, robotic projects, LED lighting setups, DIY battery packs, and embedded electronics applications where a stable multi-cell power source is required.

Working Principle

The battery holder works as a physical and electrical interface:

• 18650 batteries are inserted into the slots.

• Metal contacts connect the battery terminals securely.

• Batteries can be wired in series or parallel depending on design.

• The holder ensures stable and continuous power output.

Key Features

• Holds 4 × 18650 lithium-ion batteries

• Durable and high-quality plastic body

• Strong metal spring contacts for reliable connection

• Supports series and parallel configurations

• Compact and lightweight structure

• Easy installation and replacement

• Suitable for high-current DIY applications

• Reusable and long-lasting design

Applications

The 4 x 18650 Cell Box Case Holder is commonly used in:

• DIY battery pack construction

• Robotics and automation systems

• Portable power banks

• LED lighting systems

• Arduino and embedded projects

• Solar energy storage systems

• Backup power supplies

• Electronics prototyping

• Educational electronics kits

• RC and hobby projects

Specifications

• Product Type: Battery Holder Case

• Battery Type: 18650 Lithium-Ion

• Capacity: 4 Cells

• Material: Durable Plastic

• Contacts: Metal Spring Type

• Configuration: Series / Parallel compatible