Micro BatteriesSR & LR High Drain -NEW!-

High Drain SR & LR batteries are ideal for high-performance medical devices that require large current loads for communication, lighting, camera, mechanical driving, etc.

Click here for details▼

SR & LR High Drain (New product) >

Series Lineup

Swipe left or right to change screens View in landscape mode.
Part Number Status Nominal Capacity Diameter (inch) Diameter (mm) Height (inch) Height (mm) Mass (oz) Mass (g) Nominal Voltage Operating Temperature Range IEC (JIS)
45mAh 0.374inch 9.5mm 0.106inch 2.7mm 0.0247oz 0.70g 1.55V -10℃ to 60℃ SR57
150mAh 0.457inch 11.6mm 0.213inch 5.4mm 0.0776oz 2.2g 1.55V -10℃ to 60℃ SR44
150mAh 0.457inch 11.6mm 0.213inch 5.4mm 0.0705oz 2.0g 1.50V -10℃ to 60℃ LR44
  • *Data is not guaranteed and is provided for reference purpose only.


  • Maximum pulse discharge current*1is approx. 3 times that of standard type!
    High Drain has approx. 3 times higher maximum pulse discharge current*1than the Standard type to support high peak current requirements.
  • *1Output current condition: Current ensuring min. 1.2 V at 23°C
    [Maximum pulse discharge current to maintain min. 1.2V at 100ms upon DOD 0% (23°C)]

  • Compact and thin
    Ideal to support downsizing for wearable devices.
  • Excellent leakage resistance
    Murata's unique sealing structure, coupled with special sealing material treatment, contributes in excellent leakage resistance.


Large current load characteristics, compact and thin form factor, and high safety features support light-weight & downsizing of latest high functional devices.



Drug delivery systems
Capsule Endoscopy
Insulin Pump & Pens
Continuous Glucose Monitors

IoT, Others

Laser Pen
Audio Processors


Silver Oxide (SR) & Alkaline Manganese (LR) High Drain Batteries for Medical Devices

Murata offers SR Batteries&LR Batteries with excellent high-current discharge performance & high reliability to support medical device.