PlainBattery — Battery Cross-Reference Guide

Lithium Coin Cells (3V) reference

CR2430

Battery equivalent chart, replacements, and specs

Lithium Coin Cells (3V)3VLiMnO224.5×3 mmVerified Aug 25, 2026

CR2430 aliases and equivalent names

Common search labels and closely related markings include DL2430, ECR2430. Packaging conventions vary, so confirm the compatibility grade, voltage, chemistry, and dimensions shown below before replacing the battery.

Voltage

3 V

Chemistry

LiMnO2

Capacity

280–320 mAh

Size

24.5×3 mm

Size

CR243024.5 × 3 mm

Exact equivalents

Exact
  • DL2430 — Duracell
  • ECR2430 — Energizer

Do not use

Not Compatible
  • CR2450 — CR2450 is 2mm thicker and may not fit CR2430 battery doors
  • CR2032 — CR2032 is only 20 mm wide; CR2430 is 24.5 mm

Technical data

Specifications

CR2430 specifications. Capacity depends on load, temperature and cutoff voltage; see the primary sources for test conditions.
SpecificationValue
IEC / Common CodeCR2430
ChemistryLiMnO2
Nominal Voltage3 V
Capacity280–320 mAh
Cutoff Voltage~2 V
Dimensions (D × H)24.5 × 3 mm

Typical applications

  • Car remotes
  • Garage transmitters
  • Small medical devices
  • Memory backup modules

Applications

Replacement Compatibility

CR2450Not Compatible

CR2450 is 2mm thicker and may not fit CR2430 battery doors

CR2032Not Compatible

CR2032 is only 20 mm wide; CR2430 is 24.5 mm

Frequently Asked Questions

CR2430 vs CR2450 — which do I need?

Check your device label or measure the old cell. CR2430 is 3.0mm thick; CR2450 is 5.0mm thick. Using the wrong thickness causes power failures.

Should I always trust cross-reference charts?

Use this guide as a starting point, then confirm with your device manual or manufacturer. Voltage, chemistry, and physical fit must all match for safe operation.

Related Batteries

Review record and primary sources

Reviewed by PlainBattery Technical Review Desk on 2026-08-25. Checked: model and alias mapping, nominal voltage and chemistry, physical dimensions, capacity range and replacement warnings.

  1. 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.

Selection notes

Do not substitute CR2450 unless the compartment has extra depth and spring travel for a 5.0mm cell.

Last verified Aug 25, 2026. Always confirm voltage, chemistry, and dimensions with the device manufacturer before replacing any battery.