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Batteries / CR

CR1620

Lithium / manganese dioxide

Cross-checked Primary battery

Reviewed:

3 VNominal voltage
Ø 16 × 2 mmReference dimensions
Reference dimensions · CR1620
CR1620Ø 16 mm2 mm

Reference dimensions are not universal manufacturing tolerances. Check the actual cell and holder.

The type status describes documentary checks of core specifications, not every fact or suitability for a device.

Understanding CR1620 before replacement

Identify the actual battery

CR1620 is a documented Lithium / manganese dioxide primary cell with a nominal voltage of 3 V. Its reference diameter is 16 mm and its reference height is 2 mm. These are nominal reference dimensions, not a promise that every manufacturer has identical tolerances.

This dataset describes a non-rechargeable bare cell, without solder tabs or wires. A tabbed or wired assembly requires a separate fit check.

What markings identify this type?

The dataset associates 5009LC, ECR1620, DL1620 with CR1620. The manufacturer may use a different label on the package. These references help identify the type; they do not certify the battery for a particular device.

Similar dimensions in this catalogue

The following types share the same reference diameter as CR1620. Their height, chemistry or voltage may differ. They are comparisons, not approved substitutes:

  • CR1616 — CR1616: 1.6 mm high, 3 V; Lithium / manganese dioxide.
  • CTL1616F — CTL1616F: 1.6 mm high, 2.3 V; Rechargeable lithium cobalt titanium.
  • CR1625 — CR1625: 2.5 mm high, 3 V; Lithium / manganese dioxide.

What to check before replacing CR1620

Read the original device marking, verify nominal voltage and chemistry, compare diameter and height, and check the contacts and load requirements. Same diameter, identical voltage, or a familiar brand prefix alone is not enough to establish interchangeability.

The available data contains no affirmative device-specific fit test for CR1620. A missing compatibility relation means “not assessed,” not “compatible.”

How reliable are these specifications?

Core type characteristics were compared with primary material from at least two independent publishers. This does not verify all model-specific values or physical suitability.

Technical specifications

DesignationCR1620
Cross-checked using documents from two independent publishers [Energizer] [Maxell]
ChemistryLithium / manganese dioxide
Cross-checked using documents from two independent publishers [Energizer] [Maxell]
Nominal voltage3 V (Nominal)
Cross-checked using documents from two independent publishers [Energizer] [Maxell]
Diameter16 mm
Cross-checked using documents from two independent publishers [Energizer] [Maxell]
Height2 mm
Cross-checked using documents from two independent publishers [Energizer] [Maxell]
RechargeableNo
Documented source [Energizer]
Terminal formBare cell without tabs or leads
Curator assessment [Energizer]

Reference dimensions are not universal manufacturing tolerances. Check the actual cell and holder.

Other designations

These codes identify the same type family. Match the load variant, terminals and device requirements separately.

Documented brands

DuracellEnergizerMaxell

Brand presence comes from product documents or documented code mappings; current availability is not checked.

Product-specific observations

Capacity belongs to an individual product and test regime. It is not a universal value for this battery type.

Energizer CR1620Documented source

Current availability not checked [Energizer]

Capacity81 mAh (Typical)
Documented source [Energizer]
Test resistance47,000 Ω
Documented source [Energizer]
Cutoff voltage2 V
Documented source [Energizer]
Test temperature21 °C
Documented source [Energizer]
Test scheduleContinuous discharge
Documented source [Energizer]
Weight1.3 g (Typical)
Documented source [Energizer]
Minimum product diameter15.9 mm
Documented source [Energizer]
Maximum product diameter16 mm
Documented source [Energizer]
Minimum product height1.8 mm
Documented source [Energizer]
Maximum product height2 mm
Documented source [Energizer]
Minimum operating temperature-30 °C
Documented source [Energizer]
Maximum operating temperature60 °C
Documented source [Energizer]
Maxell CR1620Documented source

Current availability not checked [Maxell]

Documented product; no individual technical observations in this dataset.

Replacement limits

Device compatibility has not been verified. Dimensions alone do not prove that a battery fits or works.

Replacement evidence by category

Other markings of this technical type

5009LC · ECR1620 · DL1620

These markings resolve to this type in documented sources. The exact variant and device requirements still matter.

Conditional replacement: review requirements

No conditional cross-type relation is recorded.

Known obstacles to direct replacement

Required CR1620 → candidate CR1632 — CR1632

Reference dimensions differ. A particular holder has not been evaluated; no direct replacement is established.

  • Check the holder dimensions.
Curator assessment [Energizer] [Energizer]

Required CR1620 → candidate CR1616 — CR1616

Reference dimensions differ. A particular holder has not been evaluated; no direct replacement is established.

  • Check the holder dimensions.
Curator assessment [Energizer] [Energizer]

Other type pairs without a recorded assessment

This pair has not been assessed. No compatibility conclusion is available.

No automatic replacement recommendation. Device compatibility has not been verified. Dimensions alone do not prove that a battery fits or works.

Compare batteries

Sources & verification

  • Energizer · en-cr1620 Documented source

    Energizer CR1620 product datasheet
    1620GL0618 Page 1 of 1 · Reviewed:

    Current availability not checked
  • Maxell · maxell-cr Documented source

    Coin Type Lithium Manganese Dioxide Batteries (CR)
    · Reviewed:

    Current availability not checked
  • Energizer · energizer-primary Documented source

    Battery Comparison Chart: primary and rechargeable batteries
    · Reviewed:

    Current availability not checked
  • Maxell · maxell-crossref Documented source

    Micro Battery Cross Reference and Replacement Guide
    October 2017 · Reviewed:

    Current availability not checked
  • Energizer · en-cr1632 Documented source

    Energizer CR1632 product datasheet
    1632NA0618 Page 1 of 1 · Reviewed:

    Current availability not checked
  • Energizer · en-cr1616 Documented source

    Energizer CR1616 product datasheet
    1616GL0618 Page 1 of 1 · Reviewed:

    Current availability not checked

Common questions

What size is CR1620?

Ø 16 × 2 mm

Can CR1620 be recharged?

No. Do not charge primary cells.

Can CR1620 replace another battery?

Not on the basis of size or matching names alone. Check the exact device requirements and the directed compatibility notes. This catalogue does not contain a guaranteed device-fit recommendation for CR1620.

How does CR1620 differ from CR1616?

CR1620 and CR1616 have reference heights of 2 mm and 1.6 mm respectively, and nominal voltages of 3 V and 3 V. Their chemical systems are Lithium / manganese dioxide and Lithium / manganese dioxide. These comparisons do not establish a permitted replacement.

Open technical comparison: CR1616

This is a technical comparison, not an equivalence or fit certificate.