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Views: 0 Author: Site Editor Publish Time: 2025-04-16 Origin: Site
Short answer: Not really.
They look similar and both are button cell batteries, but they’re not the same in size, power, or performance. Using one in place of the other can work sometimes, but it’s not always a good idea—especially for long-term use.
| Item | AG10 (a.k.a. LR54, 189, L1131) | LR44 (a.k.a. A76, 357, L1154) |
|---|---|---|
| Battery Type | Alkaline (also available in silver oxide) | Alkaline (also available in silver oxide) |
| Nominal Voltage | 1.5V | 1.5V |
| Diameter | 11.6 mm | 11.6 mm |
| Height / Thickness | 3.1 mm | 5.4 mm |
| Typical Capacity | ~60–80 mAh | ~110–130 mAh |
| Shelf Life | 2–3 years (alkaline) | 3–5 years (alkaline) |
| Weight | Lighter (due to smaller size) | Heavier |
| Power Output | Lower | Higher |
| Common Devices | Laser pointers, calculators, LED toys | Digital thermometers, watches, clocks, toys |
| Lifespan in Device | Shorter run time | Longer run time |
| Price | Usually cheaper | Slightly more expensive |
| Interchangeable? | Only in low-drain devices (short-term) | Can replace AG10, but check fit and specs |
Size matters:
Even though both are 11.6 mm in diameter, the LR44 is thicker, so it may not physically fit into a slot designed for AG10.
Capacity & power:
LR44 lasts longer and supports higher power drain, making it better for devices that stay on longer or need stronger current.
Device compatibility:
If your device takes AG10, putting in an LR44 might be too tight or not fit at all.
If your device takes LR44, using an AG10 might not power it long enough or cause it to shut off early.
Why they get mixed up:
Many people confuse them because they’re both button cells, round, silver, and 1.5V. Also, brands and packaging often list multiple “equivalent” names, which can be misleading.
Silver oxide versions:
For more stable voltage and longer shelf life, SR44 (silver oxide) is a higher-grade version of LR44, and SG10 for AG10.
