14500 Battery vs AA Battery: Size, Voltage, and Performance

The 14500 battery and AA batteries come with the same size and different chemistry. The 14500 battery is rechargeable, and the voltage value is 3.7 volts, and the AA battery is 1.5 volts. The 14500 battery is made with the use of lithium chemistry, and its capacity value is 600 mAh. In this post, we will cover details of both batteries to find their differences. So let’s get started with a 14500 battery vs. an AA battery.

What is a 14500 battery?

• The 14500 battery is a rechargeable lithium-ion battery, and it has the same size as an AA alkaline battery but a voltage difference due to 14500 lithium-ion chemistry. The voltage value for the 14500 battery is 3.7 volts.

• The 14500 numbers on the battery show battery dimensions: 14 mm in diameter and 50 mm in length.
• The basic uses of batteries are flashlights and electronic cigarettes.
• Either 14500 battery has the same size as an AA battery but we cannot use them as a replacement. The 14500 battery used for the AA battery causes damage to high voltage.

What is an AA battery?

• AA battery standard size single cell and cylindrical shape. It is a common type and is used in portable devices.
• AA batteries are used for different electronic devices such as flashlights, toys, cameras, and remote controls.
• The dimensions for AA batteries are 14.5 to 1.9 mm in diameter, and the length is 49.2 to 50.5 mm.
• It comes in a rechargeable type and a one-time-use battery. The common types of disposable AA batteries are alkaline and zinc-carbon batteries and rechargeable batteries are nickel-metal hydride (NiMH) or lithium-ion chemistries.
• AA battery comes with a voltage of 1.5 volts. disposable and zinc carbon batteries and rechargeable types NiMH AA batteries have a voltage of 1.2 volts.

Difference between a 14500 battery vs. AA battery

Voltage

• The 14500 battery is a lithium-ion rechargeable battery that has a nominal voltage value of 3.7 volts. and AA battery is disposable alkaline or zinc-carbon chemistry and its voltage is 1.5 volts. Rechargeable AA batteries, like NiMH AA batteries, have a voltage of 1.2V.

Composition

• The 14500 battery chemistry is lithium-ion with higher energy density and a longer working life than alkaline or zinc-carbon AA batteries.
• AA alkaline and zinc carbon chemistries are commonly used for disposable applications, and NiMH and lithium-ion chemistries are part of rechargeable AA batteries.

Size

• The dimensions for the 14500 battery are 14 mm in diameter, and the length is 50 mm. AA battery dimensions are 14.5 in diameter and 49.2 mm in length.

Voltage Compatibility

• • The 14500 battery has high voltage, so it is not used for devices operating on AA batteries without proper changes. An AA battery is used for AA-operated devices.

Battery Type	Nominal Voltage
14500	3.7V
Alkaline AA	1.5V
NiMH AA	1.2V

Capacity

• The 14500 battery capacity can be different but high as compared to AA batteries, normally in rechargeable battery types.
• AA battery capacity is different but lower than 14500 batteries

Battery Type	Capacity (mAh)
14500	600 – 1200
Alkaline AA	2000 – 3000
NiMH AA	1800 – 2500

Uses

• The 14500 battery is used for high-voltage and high-density applications like electronic cigarettes and compact devices.
• AA batteries are part of different small and household devices.

Interchangeability

• 14500 battery is not replaced with AA battery in different devices since it has high voltage, and AA battery is also not replaced for 14500 batteries.

Is a 14500 battery similar to an AA battery?

• Both look the same but come with different voltages as a result of different chemistry types.
• Normally AA battery chemistry is alkaline, zinc-carbon, or lithium, and the voltage value is 1.5 volts, and rechargeable AA batteries have NiMH or NiCd chemistry with a voltage of 1.2 volts.
• The chemistry for the 14500 battery is lithium with a nominal voltage is 3.6 volts and it is a rechargeable battery. Since it has high voltage, they are replaced with AA batteries.

Can AA batteries be replaced with 14500 batteries?

• We cannot replace an AA battery with a 14500 battery since both have voltage differences. But in some devices, such as AA flashlights, both 14500 and AA batteries are used.
• A non-rechargeable AA battery is used for flashlights that are only used occasionally, and a 14500 battery is used for flashlights.

Voltage

• The standard AA alkaline battery voltage is 1.5 volts, and the 14500 lithium-ion battery voltage is 3.7 volts. The voltage difference can affect electronic devices that are made for a certain voltage.

Compatibility

• Devices that operate with AA batteries do not have features to handle high-voltage 14500 batteries. While devices made for the 14500 battery do not work well or are damaged if connected with a low-voltage AA battery.

Size

• The dimensions for AA batteries and 14500 are the same, but some differences exist. It is important to make sure that they can be used properly without any problems.

Charging features

• If any device is made for rechargeable batteries, it is more reliable with a rechargeable battery than with a non-rechargeable AA battery.

Which battery is better, the 14500 battery or the AA battery?

• Normally, the AA battery is more commonly used than the 14500 battery since the AA battery is older (about twenty years) and the 14500 is about ten years older (about ten years). But for different applications, a rechargeable 14500 battery is more important.

Can a 14500 battery charger be used for AA batteries?

• 14500 Li-Ion battery is the same as an AA battery but with different voltage, power, and features. The disposable alkaline AA battery comes with an output voltage of 1.5 volts. The 14500 Li-Ion battery has output volts 3.7 volts higher than the AA battery. As a result, AA battery charge does not charge the battery accurately for proper charging use a li-ion battery charger for a 14500 battery.

14500, AA, and AAA batteries: Differences

Voltage and capacity

14500 Battery:

• The rechargeable lithium-ion battery has a voltage of 3.7 volts, and the capacity value is 600 mAh to 800 mAh.

AA Battery:

• AA batteries come in alkaline or rechargeable NiMH batteries, and the voltage is 1.5 volts or 1.2 volts, and the capacity value is 1000 mAh to 3000 mAh.

AAA Battery:

• AAA is the same as AA but a small size, with a voltage 1.5 V for alkaline type and 1.2V for NiMH and a capacity of about 600 mAh and 1200 mAh.

14500 Battery vs. 14250 Battery

• The 1500 and 14250 batteries come with the same 14 mm diameter with different lengths; 14250 has half the length of the 14500 battery.
• These dimension features make the 14250 battery denoted as a rechargeable lithium 1/2AA battery.
• The 14500 and 14250 batteries have the same chemistry, such as IMR, ICR, INR, and IFR, or some have lithium rechargeable battery chemistry.
• So they can have similar voltage, but the 14250 battery has half the capacity of the 14500 battery.

Frequently Asked Questions

 Is a 14500 battery like an AA battery?

• No, they are not the same; the 14500 battery voltage is 3.7 volts, and AA battery voltages are 1.5 volts. Their different voltages make them useful for different applications, and their chemistry is also different.

What is the difference between the 18650 and 14500 batteries?

• The 18650 battery and 14500 battery are cylinder-shaped and lithium-ion chemistry with different sizes and capacities. The 18650 battery is larger in size, with a diameter of 18 mm and a length of 65 mm. The 1500 battery is the same size as an AA battery, and the diameter is 14 mm with a length of 50 mm.
• The 18650 battery capacity is 1200 mAh to 3600 mAh, and the 14500 battery capacity is 500 mAh to 800 mAh.
• Their differences make them useful in different applications.

What is the size of the 14500 battery?

• The 14500 battery dimensions are 14mm in diameter and 50mm in length. The 14500 battery is a lithium cylinder shape. Its size is like an AA battery.

What is the voltage value for a 14500 battery when fully charged?

• The fully charged 14500 battery has 3.7 volts, and it is effective to use for high-drain devices.

Can the 14500 battery charger be used for the AA battery charger?

• Not it is nor referred, the difference in voltage features of the 14500 battery and AA charger causes damage to devices.

Can AA batteries be interchanged with 14500 batteries?

• Not we can’t changed, 14500 battery voltage is 3.7 volts affect battery made for 1.5 volts AA battery

14500 Battery vs. AA: Which is better?

• It is based on applications such as 14500 batteries, which have high voltage and recharging features, and AA batteries, which have easy-to-access features and larger availability.

Is there any difference between a 14500 and an AA flashlight?

• Flashlight made for 14500 battery has high brightness and voltage features and AA flashlights are work at low voltage and easy to buy

Which flashlights use AA and 14500 batteries?

• Olight S1R Baton II and Nitecore EC11 use both AA and 14500 batteries.

Are the 14500 batteries the same in size as AA batteries?

• Yes, the 14500 battery is the same size as an AA battery but has a voltage of 3.7 volts.

Can a combination of 14500 and dummy cells be used in a 2AA flashlight?

• The use of dummy cells with a 14500 battery makes sure that there is an accurate fitting and accurate connection in the flashlight.

Is there a lithium 14500 battery and an AA battery?

• The 14500 batteries are the same size as AA batteries but made with lithium-ion chemistry instead of alkaline. The 14500 lithium battery is high power since it comes with more voltage and energy density than alkaline AA batteries.
• The 14500 battery is a rechargeable AA battery since they are the same and used for same applications but in they are different. The alkaline AA battery is disposable, and the lithium 14500 battery is rechargeable and used many times before replacing.

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