The 14500 3.7V 500mAh Lithium-Ion Rechargeable Cell is a compact cylindrical rechargeable battery designed for small electronic devices, portable electronics, DIY projects, sensors, flashlights, robotics, and other low-power applications. With a nominal voltage of 3.7V and a capacity of 500mAh, this Li-ion cell provides a convenient rechargeable power source where compact size and reliable energy storage are important.
The 14500 battery has a cylindrical form factor similar in size to an AA battery, but it is important to note that a 14500 Li-ion cell has a nominal voltage of 3.7V and should not be treated as a direct replacement for a standard 1.5V AA battery unless the device is specifically designed to accept the higher voltage. The cell is rechargeable and can be used repeatedly with a suitable charger designed for 3.7V nominal lithium-ion batteries.
With a 500mAh capacity, the cell is suitable for compact devices that require a relatively small rechargeable energy source. It can be used in DIY electronics, portable instruments, LED applications, small sensors, wireless projects, miniature robots, and battery-powered prototypes. The actual operating time depends on the load current, device efficiency, battery condition, and operating environment.
The cylindrical construction makes the cell easy to integrate into battery holders and custom battery packs designed for 14500 cells. For applications requiring multiple cells, suitable battery protection and charging circuitry should be used. A compatible Li-ion BMS or protection circuit is recommended where required by the application, and charging should always be performed using a charger specifically designed for single-cell 4.2V lithium-ion batteries.
Designed for electronics hobbyists, engineers, students, robotics enthusiasts, technicians, and DIY makers, the 14500 3.7V 500mAh Lithium-Ion Rechargeable Cell is a practical power source for compact rechargeable electronics and low-power applications.
14500 Lithium-Ion Rechargeable Cell
3.7V Nominal Voltage
500mAh Rated Capacity
Rechargeable Battery
Cylindrical Cell Design
14500 Standard Size
Compact and Lightweight
High Energy Density
Suitable for Small Electronic Devices
Suitable for Portable Electronics
Ideal for DIY Electronics
Suitable for Sensor Projects
Ideal for LED Applications
Suitable for Miniature Robotics
Ideal for IoT Projects
Suitable for Wireless Electronics
Perfect for Battery-Powered Prototypes
Long Rechargeable Service Life
Easy to Integrate
Compact Space-Saving Design
Suitable for Low-Power Applications
Ideal for Hobby Projects
Suitable for Educational Projects
Useful for Portable Devices
Suitable for Electronic Instruments
Rechargeable and Reusable
Easy to Replace
Suitable for Single-Cell Applications
Can Be Used in Multi-Cell Packs with Proper BMS
Suitable for Battery Backup Applications
High Energy Storage Relative to Size
Practical Compact Power Solution
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