3.7V 2600mAh lithium-ion battery cell for electronics projects and DIY power supplies with high capacity, low internal resistance, and long cycle life featuring overcharge protection and no memory effect
3.7V 2600mAh Lithium-ion Battery Cell with Long Cycle Life and Safety Protections

This lithium-ion battery cell provides a 3.7V power source with a rated capacity of 2600mAh, designed for integration into various electronics projects and DIY applications. The cell combines practical capacity with operational safety through multiple built-in protection mechanisms, offering a balance between performance and security. With its specified ability to maintain at least 85% of rated capacity after 500 complete charge-discharge cycles, it delivers consistent energy delivery over extended use periods. The low internal resistance construction supports high current discharge requirements while the absence of memory effect allows flexible charging patterns without capacity degradation concerns.
Features and Construction

The 3.7V lithium battery cell incorporates several technical features that contribute to its practical performance in electronics applications. These elements work together to provide reliable power delivery while maintaining safety standards through the integration of protective mechanisms within the cell structure itself.
Material and Build
Constructed as a standard lithium-ion cell format, this battery employs materials and design approaches that enable its specified performance characteristics. The internal architecture facilitates the high current discharge capability while maintaining low resistance to energy flow. Safety elements are integrated directly within the cell construction, including PTC resistance protection that responds to excessive current conditions and explosion-proof features that contain potential internal pressure situations.
Size and Practical Fit
Presented in the common 18650 battery format with 18mm diameter and 65mm length dimensions, this cell fits standard battery holders and compartments designed for this size classification. The physical dimensions make it compatible with numerous electronics projects, power banks, and devices utilizing this established form factor. The standardized sizing allows straightforward integration into existing designs while the capacity variations offer flexibility for different power requirements.
Uses and Placement

With its technical specifications and safety features, this lithium battery cell serves multiple applications ranging from hobbyist projects to practical power solutions. The combination of capacity, voltage, and protective elements makes it suitable for both experimental and functional implementations where reliable power delivery is required.
Event or Professional Use
For professional applications and event scenarios requiring portable power, this cell provides a tested performance profile with documented cycle life data. The safety certifications including CE, MSDS, UN38.3, and UL compliance indicators offer reassurance for applications where regulatory standards are relevant. The combination of capacity retention data and protection mechanisms supports use in equipment where consistent performance and risk mitigation are important considerations.
Everyday Home Use
In household electronics projects and DIY applications, this battery cell offers practical power solutions with the convenience of no memory effect charging. The ability to charge and discharge at any time without capacity reduction suits intermittent use patterns common in hobbyist environments. The safety protections provide additional security for home workshop settings where multiple projects might utilize similar power components.
Benefits and Buying Value

The practical advantages of this lithium battery cell stem from its documented performance characteristics and integrated safety features. These elements combine to offer value through extended usable lifespan and operational security in various electronics applications.
Reuse and Low Maintenance
With capacity retention of at least 85% after 500 complete charge-discharge cycles, this cell provides extended usable lifespan compared to batteries without documented performance data. The absence of memory effect eliminates the need for full discharge cycles before recharging, reducing maintenance requirements and simplifying usage patterns. These characteristics support repeated use across multiple projects or extended service in single applications.
Why Choose This Product
This lithium battery cell offers a combination of specified capacity, documented cycle life performance, and integrated safety mechanisms in a standard form factor. The availability of different capacity variants including Chuangming 3350mAh, Foster 2400mAh, Jinboyi 2200mAh, Luhua 2600mAh, and Medium Energy 2200mAh options provides flexibility for different power requirements. The technical specifications including low internal resistance and high current discharge capability support applications where consistent power delivery is essential.
