Description
The Panasonic CR1620 is a compact 3V lithium coin cell designed for electronic devices requiring a thin and dependable power source.
Panasonic specifies the CR1620 with a nominal voltage of 3V and nominal capacity of 75mAh. It measures approximately 16.0mm in diameter × 2.0mm in height and weighs approximately 1.3g.
Panasonic’s lithium manganese-dioxide coin-cell technology is designed to provide stable performance in compact electronic applications. The CR1620 also offers high-rate pulse-discharge capability and low-temperature performance.
The ArcEin stock shown in the product photograph comes in Panasonic child-resistant packaging.
Common Applications
Panasonic identifies remote keyless entry, card remote controls, memory backup, security price tags and smart transmitter tags among CR1620 applications. Its consumer documentation also lists keyless systems, remotes, watches and calculators.
For ArcEin, use:
- Car key fobs requiring CR1620
- Remote keyless-entry systems
- Remote controls
- Watches requiring CR1620
- Calculators
- Memory-backup systems
- Security price tags
- Smart transmitter tags
- Sensors
- Other electronic devices specifically requiring CR1620
CR1620 Equivalent / Cross Reference
Panasonic’s cross-reference information identifies:
Energizer: ECR1620
Duracell: DL1620
Rayovac: KECR1620
Renata: CR1620
Maxell: CR1620
Seiko: SB-T17
Citizen: 280-208
IEC: CR1620
CR1616 vs CR1620 vs CR1632
This is worth including for both customers and SEO.
All three have a nominal voltage of 3V and a diameter of approximately 16mm, but their thickness differs:
CR1616: 1.6mm
CR1620: 2.0mm
CR1632: 3.2mm
Therefore, customers should not assume these batteries are interchangeable. Always use the battery size specified by the equipment manufacturer.
Safety Information
CR1620 is a non-rechargeable primary lithium battery. Do not recharge.
Do not short-circuit, dismantle, crush, puncture or expose the battery to excessive heat or fire.
Keep coin batteries away from children. Panasonic warns that ingestion can cause serious harm and requires immediate medical attention






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