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Lithium coin

CR1025 battery replacement and equivalents

CR1025 is a 3 V lithium manganese dioxide coin battery measuring 10 × 2.5 mm. Match the complete specification before treating another marking as a replacement.

DL1025ECR1025
Nominal voltage
3 V
Dimensions
10 × 2.5 mm
Chemistry
Lithium manganese dioxide

CR1025 specifications

Canonical codeCR1025
Formcoin
RechargeableNo
Drain markingNot specified

Typical applications

  • Watches
  • remotes
  • sensors
  • memory backup

Replacement decision

Resolve the original marking to this profile, then confirm nominal voltage, chemistry, dimensions, polarity and any drain or terminal suffix. Capacity alone does not establish interchangeability.

Technical sources

  1. International Electrotechnical Commission — IEC 60086-1:2026 — Primary batteries, general requirements

    Primary-battery nomenclature, form, fit, function, terminal and electrochemical-system framework.

  2. International Electrotechnical Commission — IEC 60086-2-2:2026 — Physical and electrical specifications of lithium batteries

    Standardized primary-lithium dimensions and electrical specification context.

  3. Energizer — Lithium Coin Handbook and Application Manual

    Lithium/manganese-dioxide coin chemistry, voltage, capacity, drain and application behavior.

  4. Energizer — Battery Replacement Guide

    Cross-reference codes and manufacturer guidance to replace the same size and type together.