Description

18650 Battery Holder 1S–4S Series

The 18650 Battery Holder provides a simple and convenient way to connect standard 18650 lithium-ion cells in series for DIY electronics and power projects.

Available in 1S, 2S, 3S and 4S configurations, the holder provides a nominal output of approximately 3.7V, 7.4V, 11.1V or 14.8V, respectively.

Spring-loaded contacts help keep the cells securely in place, while the pre-attached wire leads make connection to your circuit or power system easier.

Key Features

• Supports 1S, 2S, 3S and 4S 18650 configurations
• Series connection for higher output voltage
• Spring-loaded battery contacts
• Pre-attached wire leads
• Compact plastic housing
• Easy to integrate into DIY projects

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Available Options

*Nominal voltage is based on a typical 3.7V nominal 18650 Li-ion cell. Actual battery voltage varies with the cell’s charge level.

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Specifications

*Nominal output voltage varies according to the selected configuration.

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Applications

This 18650 battery holder is suitable for:

• DIY battery packs
• Arduino and electronics projects
• Robotics and RC projects
• LED lighting projects
• Portable power projects
• Custom electronic devices

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Before You Buy

Please make sure your batteries are compatible with the holder before ordering.

18650 batteries are not included.

This holder is designed for standard 18650 cells. Protected cells or cells with extended dimensions may not fit correctly, so please check your battery size before purchase.

For series configurations, use cells with suitable and matching specifications. Do not mix cells with different capacities, ages or charge levels.

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FAQ

Q1: What batteries does this holder fit?
This holder is designed for standard 18650 lithium-ion batteries. Batteries are not included.

Q2: What is the difference between 1S, 2S, 3S and 4S?
The numbers indicate how many 18650 cells are connected in series. 1S uses one cell, while 4S uses four cells in series.

Q3: What voltage does the 4S 18650 battery holder provide?
A 4S configuration provides approximately 14.8V nominal voltage when using 3.7V nominal 18650 cells.

Q4: Can I use different 18650 batteries in the same holder?
For series applications, we recommend using cells with the same type, capacity, age and charge level. Do not mix different cells.

Q5: Are the 18650 batteries included?
No. The package includes the battery holder only; 18650 batteries are not included.

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⭐⭐⭐⭐⭐ You May Also Need

Building a custom power system? Explore our battery holders, power modules and related electronic components for your next project.

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Learn More 

Working with 18650 lithium-ion cells? Learn more about lithium-ion battery safety and proper handling before building your battery project.

https://www.youtube.com/shorts/ZobXN5Mh1_8