SR44 Battery Equivalent
SR44
Direct replacements
SR44 is the silver oxide version of LR44. You can replace SR44 with LR44 or AG13, but the alkaline versions will not last as long.
Voltage
1.55V
Chemistry
Silver Oxide
Dimensions
11.6mm diameter × 5.4mm thick
Common uses
watches, cameras, medical devices, precision instruments
All SR44 equivalents
| Battery code | Compatible? |
|---|---|
| 357 | Yes — direct replacement |
| SR44SW | Yes — direct replacement |
| LR44 | Yes — direct replacement |
| AG13 | Yes — direct replacement |
| A76 | Yes — direct replacement |
| 303 | Yes — direct replacement |
| SB-B9 | Yes — direct replacement |
Silver oxide vs alkaline
SR44 provides a steadier 1.55V compared to LR44's 1.5V. For watches and instruments that need stable voltage, stick with SR44 or 357.
Important: If your device originally used SR44, you can use LR44 as a cheaper replacement, but expect shorter battery life.
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