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Battery

CR2450

3V lithium coin cell

DL2450 is a pack label for CR2450 — same battery, different name on the package.

Chemistry
lithium
Voltage
3 V
Diameter
24.5 mm
Thickness
5 mm
Used by
2 devices

Common uses: Medical devices · Beacons · Car keys

CR2450 battery reference render

CR2450 Diagram

CR2450 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.

DL2450 · ECR2450 · 2450

Related codes

Same battery / other names

CR24502450

Same battery

Same battery, different label.

CR2450DL2450

Also sold as

Brand or pack name for the same battery.

CR2450ECR2450

Also sold as

Brand or pack name for the same battery.

Rechargeables are not equivalents

Rechargeable coin cells (LIR, ML, VL, CTL and similar) are not drop-in replacements for disposable CR cells — voltage and charging requirements differ. Same size does not mean the same battery.

Size

24.5 × 5 mm

Devices using CR2450

2
All (2)Smart home sensors (2)Aqara (2)

Used in

Smart home sensors2 devices

Brands: Aqara

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 CR2450?

Search Amazon for packs of this battery code.

Buy on AmazonAmazon UK

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