$18.99 $17.89 $2.24 / item
$10.49 $2.62 / item
This is where confusion happens: they are the same size, but NOT the same electrically.
| Battery Type | Size | Voltage | Safe to Swap? |
|---|---|---|---|
| AA Alkaline | 14×50mm | 1.5V | — |
| AA NiMH | 14×50mm | 1.2V | — |
| 14500 Li-ion | 14×50mm | 3.7V | ❌ Only if device supports Li-ion |
A 14500 delivers over double the voltage of a normal AA.
Putting one into a device designed for AA alkaline can damage electronics instantly.
$9.95 $7.89 $7.89 / item
$9.95 $6.95 $6.95 /
$12.49 $8.99 $8.99 / item
$12.99 $7.79 $7.79 / item
$11.49 $7.99 $7.99 / item
Take a look at what fits the job for most
