Comparison

CR2032 vs CR2050

Same 20 mm diameter and 3V lithium chemistry — CR2050 is much thicker (≈5.0 mm) than CR2032 (≈3.2 mm). Not a drop-in swap.

At a glance

Question	Answer
Same battery?	No — see chemistry and size below
Same dimensions?	Same diameter; thickness differs
Same chemistry?	Yes
Same voltage?	3 V
Direct substitute?	Only if the device documentation names that exact code

What is the same

Both are 3-volt lithium coin cells about 20 mm across. Pack labels such as DL2032 / ECR2032 or DL2050 / ECR2050 are brand names for the same IEC size family — not a licence to swap heights.

What is different

Thickness: CR2032 ≈ 3.2 mm; CR2050 ≈ 5.0 mm. A CR2050 will not fit most CR2032 trays; a CR2032 will sit loose or lose contact in a CR2050 compartment.

For the thinner siblings see CR2032 vs CR2025 vs CR2016 (2.5 mm / 1.6 mm).

Do not use list

Do not substitute CR2050 for CR2032 (or the reverse) by diameter alone.

Do not confuse user-replaceable CR2050 coin cells with tabbed / heat-resistant CR2050HR TPMS cells or device model names that only contain “CR2050”.

Codes compared

Label	Resolves to	Type	Size
CR2032	CR2032	3V lithium coin cell	20 × 3.2 mm
CR2050	CR2050	3V lithium coin cell	20 × 5 mm
CR2025	CR2025	3V lithium coin cell	20 × 2.5 mm
CR2016	CR2016	3V lithium coin cell	20 × 1.6 mm

Device counts: CR2032 (49) · CR2050 (2) · CR2025 (18) · CR2016 (28)

How these codes relate

Same battery, pack labels, or same size with a different type — not a generic “compatible with” list.

From CR2032

CR2032CR2016

Not a substitute

Same diameter family; different thickness — not interchangeable

CR2032CR2025

Not a substitute

Same diameter family; different thickness — not interchangeable

CR2032CR2050

Not a substitute

Same ~20 mm diameter and 3V lithium chemistry; CR2050 is much thicker (≈5.0 mm vs ≈3.2 mm) — not interchangeable

From CR2050

CR2050CR2016

Not a substitute

Same ~20 mm diameter family; different thickness — not interchangeable

CR2050CR2025

Not a substitute

Same ~20 mm diameter family; different thickness — not interchangeable

CR2050CR2032

Not a substitute

Same ~20 mm diameter and 3V lithium chemistry; CR2050 is much thicker (≈5.0 mm vs ≈3.2 mm) — not interchangeable

From CR2025

CR2025CR2016

Not a substitute

Same diameter family; different thickness — not interchangeable

CR2025CR2032

Not a substitute

Same diameter family; different thickness — not interchangeable

CR2025CR2050

Not a substitute

Same ~20 mm diameter family; different thickness — not interchangeable

From CR2016

CR2016CR2025

Not a substitute

Same diameter family; different thickness — not interchangeable

CR2016CR2032

Not a substitute

Same diameter family; different thickness — not interchangeable

CR2016CR2050

Not a substitute

Same ~20 mm diameter family; different thickness — not interchangeable

Open a battery page

CR2032 →CR2050 →CR2025 →CR2016 →Compare any two →

Shop the code your device names — not a size twin.

Need a CR2032?

Search Amazon for packs of this battery code.

Buy on Amazon Amazon UK

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

Need a CR2050?

Search Amazon for packs of this battery code.

Buy on Amazon Amazon UK

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

Need a CR2025?

Search Amazon for packs of this battery code.

Buy on Amazon Amazon UK

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

Need a CR2016?

Search Amazon for packs of this battery code.

Buy on Amazon Amazon UK

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