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LR920 battery equivalent and size

LR920: 1.5 V alkaline button cell, 9.5 mm × 2.05 mm, about 30 mAh (45 mWh). Same battery: AG6, 171, LR69. Also fits: SR920SW.

1.5 Vvoltage
9.5 mmdiameter, 0.374 in
2.05 mmthick, 0.081 in
≈ 30 mAhcapacity
LR920⌀9.5 × 2.05 mm
LR920 to scale. Alkaline manganese dioxide, not rechargeable.

LR920: what to know

LR920 equivalents

AG6171LR69

Can I use another battery instead of an LR920?

BatterySizeVoltsWorks?Why
SR920SW9.5 mm × 2.05 mm1.55 VYesSame size; silver oxide lasts longer (an upgrade).
SR916SW9.5 mm × 1.6 mm1.55 VShort-term0.45 mm thinner: may sit loose; fine short-term.
CR9279.5 mm × 2.7 mm3 VNoWrong voltage: 3 V vs 1.5 V.
LR9279.5 mm × 2.7 mm1.5 VNo0.65 mm thicker: will not fit.
SR927SW9.5 mm × 2.7 mm1.55 VNo0.65 mm thicker: will not fit.

What uses an LR920 battery?

Silver oxide version: SR920SW, about 40 mAh vs 30 mAh, steadier voltage: better for watches, calipers and thermometers.