Chronosland
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Which battery does my device use?

Common button and coin battery sizes for everyday devices. Always check the code on your old battery first.

DeviceCommon sizes
Car key fobs and remotesCR2032 · CR2025 · CR2016 In stock · CR1632 · CR1620 · CR1616 · CR2450
Bathroom and kitchen scalesCR2032 · CR2450 · AG13 / LR44 In stock
CalculatorsAG13 / LR44 In stock · AG10 / LR1130
Laser pointers and small toysAG13 / LR44 In stock · AG3 / LR41 In stock
Digital thermometersAG3 / LR41 In stock · AG12 / LR43
Hearing aidsHearing aid size 10 · Hearing aid size 312 · Hearing aid size 13 · Hearing aid size 675
Computer motherboards (clock battery)CR2032
Item trackers and fitness trackersCR2032 · CR2016 In stock
Bike computers and heart-rate strapsCR2032
Our talking wristwatchesAG10 / LR1130
Analogue and digital watchesAG4 / LR626 · AG3 / LR41 In stock · AG1 / LR621 · AG13 / LR44 In stock · CR2016 In stock

Different models use different sizes, so these are only a starting point. Read the code on your old battery and check it in the battery guide.

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.