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CR2025 vs CR2016

CR2025 and CR2016 are only partly interchangeable. They differ in thickness (2.5 mm vs 1.6 mm). The CR2025 holds about 1.8× the energy of the CR2016 (165 mAh vs 90 mAh).

CR2025⌀20 × 2.5 mmCR2016⌀20 × 1.6 mm
CR2025 and CR2016 at the same scale.
CR2025CR2016
Typelithium coin celllithium coin cell
Voltage3 V3 V
Size20 mm × 2.5 mm20 mm × 1.6 mm
Typical capacity≈ 165 mAh≈ 90 mAh
Rechargeablenono
Other codesDL2025, ECR2025, BR2025, 5003LCDL2016, ECR2016, BR2016, DL2016B

Can I use CR2016 instead of CR2025?

Short-term. 0.9 mm thinner: may sit loose; fine short-term.

Can I use CR2025 instead of CR2016?

No. 0.9 mm thicker: will not fit.

Where each one is used

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

CR2016: older Toyota, Honda and Subaru key remotes; watches and calculators; small toys and LED tealights; devices that stack two cells for 6 V.

Both sizes turn up in wrist watches, 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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