LR66 Battery pack of ten. Can be used to replace SR626 watch batteries. Commonly known as an SR66 and AG4 battery. See our full list of equivalent batteries below.
LR66 Battery Specifications:
- Diameter: 6.8mm
- Height: 2.6mm
- Voltage: 1.5V
- Capacity: 18mAh
- Weight: 0.36g
- Operating Temperature: -18℃ to 55 ℃
LR66 Cross Reference and Equivalent Batteries
- 1176SO, 177, 376, 377, 377A, 377X, 377BA, E377, E377A, E377CA, , 377S, V377, D377
- 280-39, 626, 606, 626A, A1398
- BP10, G4, G4A, GP177, GP377, GP7, GP77, GP77A
- L626, LR626, LR626SW, LR66
- SG4, SR4, SB-AW, S626E
- SR626, SR626SW, SR626W, SR66, SR66SW, SR628SW, SR6265W, SR66SW, SR625SW, CR626SW
With a low discharge rate of <1% per year equating to a 10+year shelf life with almost full capacity. LR66 specifications & datasheet. We have a full range of LR66 batteries with all major brands available.

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