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Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
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release time:2025-01-03 Hits: Popular:AG11 battery
The 14500 battery is a cylindrical lithium-ion rechargeable battery with a diameter of 14 mm and a length of 50 mm. This battery is widely used in various portable devices due to its small size and moderate capacity, especially in small electronic devices that require higher energy density. The 14500 battery is a smaller version of the 18650 battery, but has the same physical dimensions as the common AA battery (R6), but their operating voltage is different. 14500 batteries usually provide a nominal voltage of 3.7V, while AA batteries are usually 1.5V.
Main features of 14500 batteries
Size and capacity:
Size: 14mm diameter, 50mm length.
Capacity: The specific capacity depends on the manufacturer and the specific design of the battery, but the common 14500 lithium-ion battery capacity ranges from about 600mAh to 1200mAh. Some high-capacity versions can reach or even exceed 1500mAh.
Voltage:
The nominal voltage is generally 3.7V, and can reach 4.2V when fully charged. Some special high-voltage versions may reach a full charge voltage of 3.8V or 4.35V. This makes it higher than the voltage provided by standard AA batteries (1.5V), suitable for applications that require higher operating voltage.
Energy density:
Despite their small size, 14500 batteries are able to provide high energy density, which means that they can store more energy in a relatively small volume, making them ideal for portable devices.
Cycle life:
Typical lithium-ion batteries can withstand hundreds to thousands of charge and discharge cycles, depending on usage conditions and maintenance. High-quality 14500 batteries generally have a long cycle life.
Safety:
Modern lithium-ion batteries usually have built-in protection circuits to prevent overcharging, over-discharging, short circuits, etc., which improves the safety of use. In addition, many high-quality 14500 batteries also use more advanced safety features such as thermal protection and explosion-proof design.
Shape flexibility:
The cylindrical design makes this battery easy to manufacture and integrate into a variety of devices, and can provide good mechanical stability when multiple batteries are combined.
Application areas
Portable lighting equipment: such as flashlights, headlights, etc., these devices require high power output and long-term operation.
Outdoor sports equipment: such as GPS trackers, walkie-talkies, etc., require stable and reliable power supply.
Medical equipment: such as portable blood glucose meters, pulse oximeters, etc., require long-term stable power support.
Smart home devices: such as smart locks, security cameras, etc., require reliable power support.
Drones and other small aircraft: provide enough energy to support flight control and other functions.
Portable audio devices: such as Bluetooth headsets, portable speakers, etc., require lightweight and long battery life.
Toys and game equipment: especially those that require lightweight and miniaturized design.
Usage suggestions
Choose a reliable brand: Try to choose batteries from well-known brands when purchasing to ensure performance and safety.
Follow the correct charging method: Use the original or compatible charger to charge, and avoid overcharging or discharging. Do not mix batteries of different brands or models.
Pay attention to the storage environment: It should be stored in a dry and cool place, avoiding high temperature and high humidity environment to avoid affecting battery performance.
Check the battery status regularly: Even if the device is not used frequently, the battery should be checked regularly and replaced as needed to prevent leakage from damaging the device.
Dispose of used batteries properly: Dispose of used batteries properly in accordance with local regulations to avoid environmental pollution.
Alternative options
If you need a battery with different specifications or characteristics, you can consider the following common alternatives:
Larger capacity lithium-ion batteries: If your application requires longer battery life, you can choose batteries of the same size but higher capacity.
Other types of cylindrical batteries: Such as 16340, 18650, etc., although larger in size, but the capacity is also increased accordingly, suitable for applications that are not space-sensitive.
Polymer lithium batteries: If your device allows the use of non-cylindrical batteries, you can consider using polymer lithium batteries of the same capacity level, which are usually thinner and lighter.
Notes
Match device requirements: Make sure the selected battery is fully compatible with the device, especially in terms of voltage and physical size. Since the voltage of 14500 batteries is higher than that of standard AA batteries, you need to confirm whether the device supports 3.7V voltage when directly replacing them.
Risk of mixing: Do not mix old and new batteries or different types of batteries (such as lithium-ion and nickel-metal hydride) to avoid device damage or safety hazards.
Protection circuit: Many lithium-ion batteries have built-in protection circuits to prevent overcharging, over-discharging, and short circuits. It is important to ensure that these protection mechanisms work properly.
Summary
Due to its small size and moderate capacity, the 14500 battery is an ideal choice for many devices that require long-term operation or high-power output. Understanding its characteristics and how to use and maintain it correctly can help you better manage and extend the life of these devices. If you have questions or need further help, please consult a professional or refer to the user manual of the relevant product.
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