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Primary CR Heat Resistant CR Cylindrical CR Coin-Type 
ER SR
Heat Resistant Lithium Manganese Dioxide Batteries

Outline of ProductsWarnings

LITHIUM MANGANESE DIOXIDE BATTERY


Products

Model Nominal
Voltage (V)
Nominal
Capacity
(mAh)**
Nominal
Discharge
Current (mA)
Operating Temperature Range
(deg. C)
Acceleration Resistance Dimensions* Weight
(g)*
Data Sheets With
Terminals
Warnings
Diameter (mm) Height (mm)
CR2450
HR
3 550 0.2 -40 to+125 Max. 2000G
***
24.5 5.0 6.8
84Kb

44Kb

92Kb
CR2450
HR-Ex
3 525 0.2 -40 to+125
(max.150)

76Kb
-

* Dimensions and weight are for the battery itself, but may vary depending on terminal specifications and other factors.
** Nominal capacity indicates duration until the voltage drops down to 2.0V when discharged at a nominal discharge current at 20 deg. C.
*** Equivalent to acceleration when driving at 300km/h, when attached to a 17-inch wheel

Data and dimensions are just reference values. For further details, please contact your nearest Maxell dealer or distributor.

Product Safety Data Sheet
PDF Down load(48Kb)

Overview

  Maxell’s original sealing technology and highly heat-resistant material expands operating temperature range remarkably, making the batteries supremely suitable for automobile applications — for powering TPMS (Tire Pressure Monitoring System) sensors, for example.

Construction

  Construction

Features

Wide operating temperature range: -40 deg. C to +125 deg. C
  CR2450HR-Ex batteries can even be used at temperatures up to 150 deg. C, depending on other conditions.*
Superior leak-resistant characteristics even under high temperature and acceleration.
Can be used even under 2000G, which is equivalent to driving at 300km/h.
Electric characteristics are maintained after long periods of exposure to high temperature and humidity.
  * When using CR2450HR and/or CR2450HR-Ex at temperatures exceeding
  85 deg. C, please consult Maxell in advance for conditions of use.

Fig. 1 Storage Characteristics under High Temperatures

Relationship of Discharge Current Consumption and Duration Time
Very little deterioration in capacity due to high storage temperature of 80 deg. C, compared to other CR batteries.

Fig. 2 Storage Characteristics under High Temperature/Humidity

Discharge Characteristics after Storage
Very little deterioration in internal resistance due to high humidity (60 deg. C/90%RH), compared to other CR batteries.

Fig. 3 High Rate Discharge Characteristics

Heavy Duty Characteristics

Applications

●TPMS (Tire-Pressure Monitoring System)
●ETC (Electronic Toll Collection System)
●Set-Top Boxes
●OA Machines (Fax, Copiers, Printers)
●Notebook PCs
●Desktop PCs
●Medical Instruments, Cash Registers
●FA Instruments (Measuring Instruments, Onboard Microcomputers, Sensors)
●Electronic Meters (Water, Gas, Electricity)


For more information such as specifications, please see the following brochures (PDF).

CR Lithium Manganese Dioxide Batteries (PDF 400KB).PDF
Industrial Batteries (PDF 1.70MB).PDF


Data and dimensions are not guaranteed but reference values.  For further details, please contact us at your nearest Maxell office.
Contents on this website are subject to change without notice.

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