CR2032 vs LIR2032
They share a 20 × 3.2 mm outline and that is where the similarity ends. CR2032 is a 3.0 V primary lithium cell (~220–240 mAh). LIR2032 is a rechargeable lithium-ion cell at about 3.6–3.7 V with only ~35–45 mAh.
Last verified Aug 25, 2026
Not interchangeable in devices that specify CR2032. Use LIR2032 only when the product is designed to charge it.
A LIR2032 vs CR2032 swap fails on voltage, chemistry, 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.
Installing LIR2032 in a 3V-only gadget can over-voltage the circuit. Putting a disposable CR2032 into a LIR charger can overheat or rupture the cell.
They share 20 mm diameter, which is why CR2032 vs LIR2032 looks interchangeable on a store shelf. Highlighted rows are the ones that change the purchase: voltage, chemistry, 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 | LIR2032 |
|---|---|---|
| Chemistry | LiMnO2 | LiIon |
| Nominal voltage | 3 V | 3.6 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 | 35–45 mAh |
| Typical energy | 0.66–0.72 Wh | 0.13–0.16 Wh |
| Typical weight | 3.1 g | 2.5 g |
| Fresh open-circuit voltage | 3.2–3.4 V | 4.1–4.2 V |
| Unused shelf life | ~10 years | — |
| Category | lithium-coin | lithium-coin |
| Common aliases | DL2032, ECR2032 | — |
If you searched LIR2032 vs CR2032, you are on the same comparison with the names reversed. The difference between CR2032 and LIR2032 batteries is not the word “vs” — it is the specs that do not match after you ignore the similar photos.
Nominal voltage is not a rounding error here. CR2032 is 3 V; LIR2032 is 3.6 V. The lower-voltage cell will starve a circuit designed for the higher one. The higher-voltage cell can stress or destroy a gadget that expected the lower rail.
Even when the cans look related, CR2032 (LiMnO2) and LIR2032 (LiIon) are different product classes. Capacity, voltage sag, temperature range, and whether the cell can be charged all follow chemistry — not the photo on the listing.
Typical CR2032 capacity is 220–240 mAh. LIR2032 is 35–45 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.
Energy: about 0.7 Wh vs about 0.15 Wh
Charging a CR2032 is unsafe; charging is required for LIR2032
Coin and button codes are rulers, not brand slogans. The letters mark chemistry class. The digits encode size. CR2032 measures 20 × 3.2 mm; LIR2032 measures 20 × 3.2 mm. Once you read the code that way, LIR2032 vs CR2032 stops looking like a preference and starts looking like a fit check.
Usually no. CR2032 is 20 × 3.2 mm at 3 V (LiMnO2). LIR2032 is 20 × 3.2 mm at 3.6 V (LiIon). Those are not the same part.
If the spent cell or tray said LIR2032, specify that code. Forcing CR2032 can crack a cover, lose contact, or apply the wrong voltage.
Usually no. Going the other way does not fix a diameter, thickness, or voltage miss. LIR2032 in a CR2032 holder has the same problem with the names flipped.
If you arrived from a LIR2032 vs CR2032 search, stay on this page. The answer does not change.
Retail packs hide the IEC size behind house codes. CR2032 also appears as DL2032, ECR2032. LIR2032. Those prefixes do not change the outline unless the chemistry letters change (BR, LIR, ML, PR).
You do not need a full datasheet to settle CR2032 vs LIR2032. 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.
“Rechargeable CR2032” marketplace titles are almost always LIR2032. Same diameter does not make them electrical substitutes.
Do not stack cells, grind a can, or use foil as a permanent spacer to fake LIR2032 with CR2032. Read the stamp, then the spec table. If the door will not close without force, you have the wrong height or diameter.
Voltage, capacity, chemistry, and charging rules all differ. Only the 20 × 3.2 mm outline is shared.
Generally no. The higher voltage and much lower capacity make LIR2032 a poor and sometimes damaging substitute.
Standard CR2032 cells are not. Rechargeable look-alikes are sold as LIR2032 or ML2032.
Yes. CR2032 vs LIR2032 and LIR2032 vs CR2032 are the same pair. Fit, voltage, and chemistry do not change when you flip the order.
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.
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.
Revision record: source citations and field-level review scope added September 11, 2026. See our sources and methodology and corrections policy.
