Match My Battery

CR2016 vs CR2032

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

Verdict
Same diameter · different height
Confidence
98%
Reviewed
2026-08-09
Same diameter · different height

CR2016 and CR2032 are different thicknesses

Both cells are about 20 mm in diameter, but their heights are 1.6 mm and 3.2 mm.

Use the specified height; do not rely on contact spring travel.

SpecificationCR2016CR2032
Dimensions20 × 1.6 mm20 × 3.2 mm
Nominal voltage3 V3 V
ChemistryLithium manganese dioxideLithium manganese dioxide
RechargeableNoNo
Typical useWatches, remotes, sensorsWatches, remotes, sensors
View CR2016 profile View CR2032 profile

Why this verdict

  • Diameter matches.
  • Height and capacity envelope differ.

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. 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.