16340 vs 14500 Batteries: An In-Depth Comparison for Electronic Devices - Comparison Guide
16340 vs 14500 Batteries

16340 vs 14500 Batteries: An In-Depth Comparison for Electronic Devices

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As electronic devices become increasingly portable, choosing the right battery to power them has become more critical than ever. Lithium-ion batteries have emerged as the preferred choice for portable electronics due to their high energy density, long lifespan, and fast charging capabilities. Two popular sizes of lithium-ion batteries available in the market are the 16340 and 14500 batteries.

Choosing the right battery for your device can be challenging, especially if you are new to the world of rechargeable batteries. In this article, we will provide an in-depth comparison of the 16340 and 14500 batteries, exploring their differences in size, capacity, voltage, and other factors that can affect their usage. By the end of this article, you should have a better understanding of which battery is best suited for your device’s needs, ensuring optimal performance and longevity.

Differences Between 16340 and 14500 Batteries


The first and most noticeable difference between these two batteries is their size. The 16340 battery measures 16mm in diameter and 34mm in length, while the 14500 battery is slightly smaller, with a diameter of 14mm and a length of 50mm. As a result, the 14500 battery is more compact and can fit into smaller devices, while the 16340 battery is slightly larger.

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Capacity refers to the amount of energy stored in a battery. A higher capacity battery will last longer than a lower capacity battery. The capacity of a battery is measured in milliampere-hours (mAh).

In general, 16340 batteries have a higher capacity than 14500 batteries. The 16340 battery typically has a capacity of around 700mAh, while the 14500 battery has a capacity of around 600mAh. This means that the 16340 battery can last longer than the 14500 battery when used in the same device.


Voltage is the electrical potential difference between two points in a circuit. In batteries, it is the force that drives current through a device. The voltage of a battery is measured in volts (V).

Both 16340 and 14500 batteries have a nominal voltage of 3.7V. However, the actual voltage of a battery can vary depending on its charge level and other factors. Generally, a higher voltage battery will provide more power to the device.

Other factors

Apart from size, capacity, and voltage, there are a few other factors to consider when choosing between these two batteries.

Firstly, the maximum discharge rate of the battery can affect the device’s performance. The maximum discharge rate is measured in amps (A) and indicates how much current the battery can deliver at once. The 16340 battery usually has a higher maximum discharge rate than the 14500 battery, making it more suitable for high-powered devices.

Secondly, the charging time of the battery can also be an important factor. The charging time varies depending on the charger used and the battery’s capacity. However, in general, the 14500 battery takes less time to charge than the 16340 battery due to its lower capacity.


In conclusion, the choice between the 16340 and 14500 batteries depends on the device’s requirements and usage. If size is a concern, the 14500 battery may be a better option. However, if you need a battery with a higher capacity and discharge rate, the 16340 battery is the way to go. Additionally, it’s important to consider factors such as voltage and charging time when choosing between these two batteries. Ultimately, selecting the right battery can ensure optimal performance and longevity of your electronic devices.

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