LR44 vs AG13 — What Is the Difference?
| LR44 | AG13 | |
|---|---|---|
| Voltage | 1.5V | 1.5V |
| Diameter | 11.6mm | 11.6mm |
| Thickness | 5.4mm | 5.4mm |
| Capacity | ~150mAh | ~150mAh |
| Chemistry | Alkaline | Alkaline |
| Common uses | calculators, thermometers, toys, laser pointers, LED lights | calculators, thermometers, toys, laser pointers, LED lights |
Are they interchangeable?
Yes — interchangeableYes — they are the same battery. LR44 and AG13 are identical in every way. The different names are simply different naming conventions used by different manufacturers. IEC calls it LR44. Other standards call it AG13. You can use either one interchangeably without any issues.
The verdict
Buy whichever is cheaper or more readily available. They are the same battery.
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