Capacity — 220–240 mAh vs 60–70 mAh
Typical CR2032 capacity is 220–240 mAh. ML2032 is 60–70 mAh. Runtime only follows that gap inside the correct holder. Extra capacity in the wrong tray does not last longer — it often does not run at all.
Not interchangeable
CR2032 vs ML2032
CR2032 vs ML2032: Primary Cell vs Rechargeable Backup
ML2032 matches the CR2032 outline but is a rechargeable manganese-lithium cell with much lower capacity. It belongs only in boards that charge it. A CMOS tray that came with a disposable CR2032 is not that circuit.
Last verified Aug 25, 2026
Are CR2032 and ML2032 interchangeable?
Not a casual swap. Keep CR2032 in consumer holders; keep ML2032 on charge-controlled PCBs.
A ML2032 vs CR2032 swap fails on capacity. If the door only closes when you force it, or the device works only while you press the cover, you have the wrong cell — not a weak spring you should ignore.
Safety note
Do not charge a primary CR2032. Do not drop ML2032 into a non-charging CR2032 clip and expect the same life.
CR2032 vs ML2032 specs: capacity
They share 3 V and LiMnO2 and 20 mm diameter, which is why CR2032 vs ML2032 looks interchangeable on a store shelf. Highlighted rows are the ones that change the purchase: capacity.
Read physical fit before capacity. Extra milliamp-hours only help when the holder is built for that cell. A “better” spec in the wrong tray is a mechanical or voltage mismatch, not an upgrade.
| Spec | CR2032 | ML2032 |
|---|---|---|
| Chemistry | LiMnO2 | LiMnO2 |
| Nominal voltage | 3 V | 3 V |
| Diameter | 20 mm | 20 mm |
| Thickness | 3.2 mm | 3.2 mm |
| Outline | 20 × 3.2 mm | 20 × 3.2 mm |
| Typical capacity | 220–240 mAh | 60–70 mAh |
| Typical energy | 0.66–0.72 Wh | — |
| Typical weight | 3.1 g | — |
| Fresh open-circuit voltage | 3.2–3.4 V | — |
| Unused shelf life | ~10 years | — |
| Category | lithium-coin | lithium-coin |
| Common aliases | DL2032, ECR2032 | VL2032 |
Difference between CR2032 and ML2032 batteries
If you searched ML2032 vs CR2032, you are on the same comparison with the names reversed. The difference between CR2032 and ML2032 batteries is not the word “vs” — it is the specs that do not match after you ignore the similar photos.
CR2032 is a primary ~220–240 mAh cell; ML2032 is typically ~60–70 mAh rechargeable
CR2032 is a primary ~220–240 mAh cell; ML2032 is typically ~60–70 mAh rechargeable
ML2032 must not be treated as a longer-life CR2032
ML2032 must not be treated as a longer-life CR2032
Some boards list VL2032 as a related rechargeable variant
Some boards list VL2032 as a related rechargeable variant
Installing the wrong class can over-voltage or leave the clock dead
Installing the wrong class can over-voltage or leave the clock dead
How the size code works (CR2032 vs ML2032)
Coin and button codes are rulers, not brand slogans. The letters mark chemistry class. The digits encode size. CR2032 measures 20 × 3.2 mm; ML2032 measures 20 × 3.2 mm. Once you read the code that way, ML2032 vs CR2032 stops looking like a preference and starts looking like a fit check.
Can I use a CR2032 instead of a ML2032?
Usually no. CR2032 is 20 × 3.2 mm at 3 V (LiMnO2). ML2032 is 20 × 3.2 mm at 3 V (LiMnO2). Those are not the same part.
If the spent cell or tray said ML2032, specify that code. Forcing CR2032 can crack a cover, lose contact, or apply the wrong voltage.
Can I use a ML2032 instead of a CR2032?
Usually no. Going the other way does not fix a diameter, thickness, or voltage miss. ML2032 in a CR2032 holder has the same problem with the names flipped.
If you arrived from a ML2032 vs CR2032 search, stay on this page. The answer does not change.
Brand labels and aliases
Retail packs hide the IEC size behind house codes. CR2032 also appears as DL2032, ECR2032. ML2032 also appears as VL2032. Those prefixes do not change the outline unless the chemistry letters change (BR, LIR, ML, PR).
How to identify CR2032 versus ML2032
You do not need a full datasheet to settle CR2032 vs ML2032. You need the stamp, the tray, or a cheap pair of calipers. A store bin labeled only “button cell” or “3V lithium” will not do that work for you.
- Read the code on the old cell: CR2032, ML2032, and the brand prefixes that map to each one.
- If the print is worn off, check the tray, battery door, or user manual before buying.
- Measure diameter if the codes are gone: CR2032 is 20 mm; ML2032 is 20 mm.
- Measure thickness: CR2032 is 3.2 mm; ML2032 is 3.2 mm.
- Buy the matching code. Extra capacity or a thicker can only helps when the holder is built for that cell.
Choose CR2032 when…
- Any device or motherboard that shipped with a CR2032 / DL2032
Choose ML2032 when…
- The schematic or part marking specifies ML2032 / VL2032 and charge control is present
Compatibility and substitution
If you only remember “2032”, read the letters. CR and ML are different product classes.
Do not stack cells, grind a can, or use foil as a permanent spacer to fake ML2032 with CR2032. Read the stamp, then the spec table. If the door will not close without force, you have the wrong height or diameter.
CR2032 vs ML2032 FAQ
Is ML2032 the same as CR2032?
Same size, different product class. ML2032 is rechargeable and lower capacity; CR2032 is a disposable 3V lithium cell.
I searched ML2032 vs CR2032 — is this the right page?
Yes. CR2032 vs ML2032 and ML2032 vs CR2032 are the same pair. Fit, voltage, and chemistry do not change when you flip the order.
Should I always trust a cross-reference chart?
Use this guide as a starting point, then confirm voltage, chemistry, and physical size with your device manual or the marking on the old cell.
Review record and primary sources
Reviewed by PlainBattery Technical Review Desk on 2026-08-25. Checked: both model identities and dimensions, voltage and chemistry differences, physical fit, interchangeability conclusion and safety warnings.
- Energizer CR2032 Product Datasheet — Energizer Brands, CR2032EU0118 (2018). CR2032 dimensions, capacity test conditions, voltage, pulse discharge and safety.
- Lithium Technical Handbook: CR Coin-Type Batteries — Panasonic Energy, 2020 handbook (2020). CR/BR dimensions, nominal voltage, capacity, discharge and temperature characteristics.
Revision record: source citations and field-level review scope added September 11, 2026. See our sources and methodology and corrections policy.