Button cells (alkaline and silver oxide)

AG4 / LR626 batteries

Out of stock · back-order

One of the most common watch batteries.

Back-order: tell us how many you need and we will email you the price and when we can post them. You don't pay anything until you confirm.

Quantity (packs of 2)

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Also called	AG4, LR626, 377, 376, SR626SW, SR66, 177, L626
Voltage	1.5 V (LR) or 1.55 V (SR)
Typical capacity	about 18 mAh alkaline, 28 mAh silver oxide (varies by brand)
Diameter	6.8 mm
Height	2.6 mm
Chemistry	Alkaline (LR) or silver oxide (SR)
Shelf life	About 3 years (alkaline), 5 years (silver oxide)
Postage	Free within Australia, by letter (no tracking)

Warning: keep button and coin batteries away from children. Swallowing one can cause serious injury within hours. If you think a battery has been swallowed, get urgent medical help straight away.

Not the right size? See the full battery cross-reference.