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Battery

LR626

1.5V alkaline button cell

LR66 is a pack label for LR626 — same battery, different name on the package.

Chemistry
alkaline
Voltage
1.5 V
Diameter
6.8 mm
Thickness
2.6 mm
Used by
2 devices

Common uses: Low-cost gadgets · Toys

LR626 battery reference render

LR626 Diagram

LR626 orthographic diagram with top, bottom or end views and side profile dimensions
Brand-neutral outline — confirm the tray in your device.

Other names

Genuine aliases and pack labels for this battery — not substitutes of a different chemistry.

AG4 · LR66 · G4A

Related codes

Same battery / other names

LR626AG4

Same battery

Same battery, different label.

LR626LR66

Same battery

Same battery, different label.

LR626G4-A

Same battery

Same battery, different label.

Same size, different battery

LR626SR626SW

Same size, different type

Fits the same slot. Different type — check the manual.

Size family

Edge thickness in the 6.8 mm family — thicker bar means thicker cell. Not to scale. Highlighted cell is this page.

SR616SW
1.65 mm
SR621SW
2.15 mm
LR621
2.15 mm
SR626SW
2.6 mm
LR626
2.6 mm

Device-specific caveats

From manufacturer-backed notes on devices that use LR626 — not generic advice.

  • Button cells are a choking hazard — keep new and used cells away from children.

Devices using LR626

2
All (2)Watches (2)SYLVI (2)

Used in

Watches2 devices

Brands: SYLVI

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Learn more

Testers & chargers

Optional tools that fit this cell type — only where the chemistry allows. Separate from the battery answer.

Amazon links may earn us a commission. They do not change the battery answer.

Buy links are optional and separate from the battery answer.

Need one?

Need a LR626?

Search Amazon for packs of this battery code.

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Buy links go to Amazon (Associates where tagged) or other affiliate programmes when available. They never change the battery answer.