Description
The Panasonic CR2477 is a high-capacity lithium coin cell designed for electronic devices that require a compact 3V power source with considerably greater capacity than many smaller CR-series coin cells.
Panasonic specifies the CR2477 at a nominal voltage of 3V and nominal capacity of 1000mAh. Its dimensions are approximately 24.5mm in diameter and 7.7mm in height, with a weight of approximately 10.5g.
The CR2477 uses lithium/manganese-dioxide chemistry and is intended for long-term use in compatible electronic devices. Panasonic highlights characteristics including pulse-discharge capability and low-temperature performance.
Specifications
Brand: Panasonic
Model: CR2477
Battery type: Coin cell / button cell
Chemistry: Lithium Manganese Dioxide
Nominal voltage: 3V
Nominal capacity: 1000mAh
Standard continuous drain: 0.2mA
Diameter: 24.5mm
Height: 7.7mm
Weight: Approx. 10.5g
Operating temperature: -30°C to +85°C*
Rechargeable: No
Quantity: 1 piece
These figures come from Panasonic Energy’s current CR2477 specification. Panasonic advises consultation for anticipated operation at 70°C or above.
Common Applications
Panasonic specifically identifies applications including remote keyless entry, card remote controls, memory backup, security price tags and smart transmitter tags.
For the ArcEin listing, use:
- Remote keyless-entry systems
- Compatible car key fobs
- Card remote controls
- Memory backup
- Security price tags
- Smart transmitter tags
- Sensors
- Industrial electronic equipment
- Electronic measuring devices
- Other devices specifically requiring a CR2477 battery
Important Compatibility Information
CR2477 is not the same as CR2450, CR2430, CR2032 or other CR-series batteries.
Although some CR-series cells share the same 3V nominal voltage, their diameter, thickness and capacity can differ substantially.
For example, Panasonic specifies the CR2477 as 24.5 × 7.7mm, whereas the CR2450 is 24.5 × 5.0mm. Therefore, customers should always check the exact battery number required by their equipment.
Safety Information
This is a non-rechargeable primary lithium battery. Do not recharge.
Do not short-circuit, dismantle, crush, puncture, expose to excessive heat or dispose of in fire.
Coin batteries must be kept away from children. Panasonic warns that swallowing a coin battery can cause serious harm and requires immediate medical attention.
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