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CR2032 vs CR2025

CR2032 and CR2025 are only partly interchangeable. They differ in thickness (3.2 mm vs 2.5 mm). The CR2032 holds about 1.4× the energy of the CR2025 (225 mAh vs 165 mAh).

CR2032⌀20 × 3.2 mmCR2025⌀20 × 2.5 mm
CR2032 and CR2025 at the same scale.
CR2032CR2025
Typelithium coin celllithium coin cell
Voltage3 V3 V
Size20 mm × 3.2 mm20 mm × 2.5 mm
Typical capacity≈ 225 mAh≈ 165 mAh
Rechargeablenono
Other codesDL2032, ECR2032, BR2032, 5004LCDL2025, ECR2025, BR2025, 5003LC

Can I use CR2025 instead of CR2032?

Short-term. 0.7 mm thinner: may sit loose; fine short-term.

Can I use CR2032 instead of CR2025?

No. 0.7 mm thicker: will not fit.

Where each one is used

CR2032: most modern car key fobs; Apple AirTag and other Bluetooth trackers; computer motherboard (CMOS / BIOS clock) battery; bathroom and kitchen scales.

CR2025: car key fobs (many Mercedes-Benz, some GM, Nissan and Mazda keys); remote controls; watches and calculators; kitchen and bathroom scales.

Both sizes turn up in computer motherboards (CMOS / BIOS), wrist watches, calculators, car key fobs, depending on the model, which is why people mix them up: check the code on the old cell.

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