The 365 has a higher capacity than the 366. Otherwise they are the same battery.
Equivalents:
280-46, 365, 366, 608, 1177SO, 1195SO, 28046, D366, E365, E366, GP66, GP366, RW318, S35, SP365, SP366, SR1116SW, SR1116W, TR1116W, V365, V366, V538, WOS, W06, ZA,
Image not to scale. | Common Name. | Dimensions. Diameter × Thickness. | Chemical Composition. | Nominal Voltage. |
---|---|---|---|---|
365. | 11.6 mm × 1.65 mm Contacts: | Silver Oxide (Ag2O). | 1.55 volts (40 mAh). |