Match My Battery

Household

A27 battery replacement and equivalents

A27 is a 12 V alkaline manganese dioxide cylindrical battery measuring 8 × 28.2 mm. Match the complete specification before treating another marking as a replacement.

8LR73227AMN27
Nominal voltage
12 V
Dimensions
8 × 28.2 mm
Chemistry
Alkaline manganese dioxide

A27 specifications

Canonical codeA27
Formcylindrical
RechargeableNo
Drain markingNot specified

Typical applications

  • Household electronics
  • lights
  • remotes
  • portable devices

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. Energizer — Battery Replacement Guide

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

  3. Duracell — Battery Cross Reference Chart

    Independent manufacturer cross-reference families and corresponding product numbers.

  4. Duracell — Battery chemistry technical bulletins

    Alkaline, lithium-manganese-dioxide, zinc-air and silver-oxide chemistry behavior.