Side-by-Side Comparison
Cylindrical Cells
14500 vs. AA Battery
Comparing 2 standards across 5 specifications. 5 key differences identified.
Comparing:
14500
AA Battery
A 14500 Li-ion cell measures 14mm in diameter and 50mm in length -- the same physical size as a standard AA battery -- but delivers 3.7V nominal rather than an AA's 1.5V. Because it fits mechanically into AA-sized battery holders, mixing it up with a real AA can destroy 1.5V-only circuitry.
A standard AA battery measures 14.5mm in diameter and 50.5mm in length. Primary Alkaline cells output 1.5V, NiMH rechargeable cells output 1.2V. Inserting a 3.6V 14500 Li-ion cell into 1.5V AA devices destroys the circuit.
Specification Comparison Table
5 Parameters| Parameter / Spec | ||
|---|---|---|
|
Diameter
|
14.00 mm | 14.50 mm |
|
Overall Length
|
50.00 mm | 50.50 mm |
|
Nominal Operating Voltage
|
3.70 V | — |
|
Chemistry
|
Lithium-ion | — |
|
Alkaline Voltage
|
— | 1.50 V |