14500 and 18650 batteries are both types of rechargeable lithium-ion batteries commonly used in various electronic devices. However, they differ in several key aspects, including their size, capacity, and voltage. Here's a comparison between the two:
1. Size:
- 14500: A 14500 battery is smaller and more compact than an 18650 battery. It has a diameter of approximately 14mm and a length of about 50mm.
- 18650: An 18650 battery is larger in size compared to a 14500 battery, with a diameter of about 18mm and a length of approximately 65mm.
2. Capacity:
- 14500: 14500 batteries typically have a lower capacity compared to 18650 batteries. They typically have a capacity ranging from 600mAh to 1000mAh, although variations exist.
- 18650: 18650 batteries offer a larger capacity, generally ranging from 2000mAh to 3500mAh, or even higher in some cases. This means they can store more energy and provide longer runtime.
3. Voltage:
- 14500: A 14500 battery is a 3.7-volt battery when fully charged. It's often used in devices that require lower voltage.
- 18650: An 18650 battery is also a 3.7-volt battery when fully charged. However, they are commonly used in devices with higher power requirements due to their larger capacity.
4. Applications:
- 14500: These smaller batteries are commonly found in devices like flashlights, smaller electronic gadgets, and some types of portable electronics.
- 18650: 18650 batteries are widely used in a range of devices, including high-power flashlights, laptops, vape devices, cordless power tools, and more.
5. Compatibility:
- 14500 batteries are not interchangeable with 18650 batteries due to their size and voltage differences. Devices designed for 14500 batteries typically cannot accommodate 18650 batteries, and vice versa.
When choosing between 14500 vs 18650 battery, consider the specific requirements of your device, including size constraints and power needs. In general, 18650 batteries are more versatile and have higher capacity, making them suitable for a broader range of applications. However, if you have a smaller device with limited space, a 14500 battery may be the better choice. Always make sure to use the battery type recommended by the manufacturer of your device for safety and optimal performance.
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