14500 vs AA

A reviewed side-by-side decision based on form, fit, electrical specification and application limits.

Verdict
Not equivalent
Confidence
97%
Reviewed
2026-08-09
Not equivalent

14500 and AA are different battery formats

One or more critical dimensions, voltage, chemistry or form attributes differ.

Return to the exact code or measure the original cell and verify the device manual.

Specification14500AA
Dimensions14 × 50 mm14.5 × 50.5 mm
Nominal voltage3.6 V1.5 V
ChemistryLithium ionAlkaline manganese dioxide
RechargeableYesNo
Typical useRechargeable lights, battery packs, specialty electronicsHousehold electronics, lights, remotes

Why this verdict

  • Dimensions differ: 14 × 50 mm versus 14.5 × 50.5 mm.
  • Voltage: 3.6 V versus 1.5 V.
  • Chemistry: Lithium ion versus Alkaline manganese dioxide.

What to verify in the device

Check the original compartment label, the current manual, polarity, terminal style and whether the device explicitly permits a chemistry or rechargeable alternative.

Sources for these profiles

  1. Duracell — Battery chemistry technical bulletins

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

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

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

  3. Energizer — Battery Replacement Guide

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

  4. Duracell — Battery Cross Reference Chart

    Independent manufacturer cross-reference families and corresponding product numbers.

  5. Energizer — AA alkaline engineering datasheet

    Representative cylindrical alkaline designation, voltage, dimensions and performance context.