Button cells · 1.5 V
LR41equivalents
The LR41 is also sold as AG3, 392, SR41, 192, 384 and G3. 392, SR41 and 384 are the silver oxide version, the rest are alkaline, and all of them fit the same devices.
Same battery, other names
- AG3
- 392 silver oxide
- SR41 silver oxide
- 192
- 384 silver oxide
- G3
Size and specs
- Voltage
- 1.5 V
- Size
- 7.9 × 3.6 mm
- Chemistry
- Alkaline (LR41), or silver oxide (SR41, 392, 384) in the same size.
- Capacity
- about 25 to 45 mAh
- Type
- Button cells
What uses an LR41
Typical devices and how long a fresh set usually lasts. Yours may differ.
| Device | Takes | Lasts |
|---|---|---|
| Fever thermometer | 1 × LR41 | about 2 years |
LR41 vs size 312
Batteries people mix up with the LR41. Close, but not the same.
| Battery | Size, voltage | Difference |
|---|---|---|
| LR41 | 7.9 × 3.6 mm1.5 V | This page. |
| Size 312 hearing aid | 7.9 × 3.6 mm1.45 V | The same size, but a zinc-air hearing aid cell. Use it only in hearing aids. |
Good to know
- AG3, 192 and G3 are the same alkaline cell. 392, 384 and SR41 are its silver oxide twin.
- This is the classic fever thermometer cell. It also turns up in small LED toys and laser pointers.
Questions
What is the equivalent of an LR41 battery?
The LR41 is also sold as AG3, 392, SR41, 192, 384 and G3. 392, SR41 and 384 are the silver oxide version of the same size; the rest are alkaline. Any of them fits.
What size is an LR41 battery?
7.9 × 3.6 mm, 1.5 V. Alkaline (LR41), or silver oxide (SR41, 392, 384) in the same size.
What uses an LR41 battery?
Common devices include fever thermometer.
Is a 392 battery the same as an LR41?
Same size and it fits the same devices. The 392 is silver oxide, which lasts longer and holds its voltage. The LR41 is the cheaper alkaline version.
Battery Inventory for iPhone and iPad
Never look up the LR41 again.
Battery Inventory remembers which battery every device in your home takes, reminds you when one is due, and counts the spares in your drawer, so you buy the right cell before the old one dies. The finder in the app knows every code on this page. Search any of them, or point the camera at a coin cell to read it.
- Battery change reminders, free
- Monthly smoke and CO alarm test reminders
- A spares drawer and shopping list
- Cordless tool packs and chargers too
No account needed. Smoke and CO alarm features are reminders only: the app can't see or test your alarms.
