What is a 14500 battery equivalent to?

The 14500 is interchangeable with: AA-sized Li-ion — NOT a 1.5V AA swap. These share the same size and voltage.

What voltage is a 14500 battery?

A 14500 is 3.7V, measuring 14 × 50 mm.

High-output compact flashlights.

14500

3.7V · 14 × 50 mm · Lithium-ion (rechargeable)

The 14500 is the same size as a AA but is a 3.7V rechargeable Li-ion cell.

Battery type	14500
Voltage	3.7V
Size	14 × 50 mm
Chemistry	Lithium-ion (rechargeable)
Equivalents	AA-sized Li-ion — NOT a 1.5V AA swap
Common uses	High-output compact flashlights.

Enter a battery code

Type any common code to see its voltage, size and interchangeable equivalents.

💡 Looks like a AA but is more than double the voltage.

⚠️ Putting a 3.7V 14500 in a device made for 1.5V AA can destroy it. Only use where 14500 is explicitly supported.

What is a 14500 battery equivalent to?: The 14500 is interchangeable with: AA-sized Li-ion — NOT a 1.5V AA swap. These share the same size and voltage.
What voltage is a 14500 battery?: A 14500 is 3.7V, measuring 14 × 50 mm.
What is a 14500 battery used for?: High-output compact flashlights.