Micro batteriesApplication Example

These are examples of applications utilizing micro batteries. Here you can see what products Murata recommends for specific functions.
Refer to the block diagram below.
Click the name of a series to view features and detailed specifications.

Wireless Seatbelt Reminder

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Device Size Series / Spec. Function
Battery 20 to 36.5 ×
3.2 to 7.7 mm
CR Extended Temperature (X) series Capacity :
220 to 2000 mAh
Operating Temperature Range :
-40°C to 85°C
LF Receiving Antenna 12.0 × 12.0 × 3.4 mm (Typ.) SA-X20 series Inductance
x,y 4.7 to 8.0 mH
z 7.2 to 13.0 mH
Operating Temperature Range :
-40°C to 85°C
LF Transmitting Antenna Transmitting Antenna is customized products. Please contact us for more information.

Smart Drug Delivery Device

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Device Size Series / Spec. Function
Battery SR : 9.5 to 11.6 × 2.7 to 5.4 mm SR/LR High Drain series Capacity :
SR : 45 to 150 mAh
Operating Temperature Range :
-10°C to 60°C

Continuous Glucose Monitoring

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Device Size Series / Spec. Function
Battery SR : 6.8 to 11.6 × 2.05 to 5.4 mm
CR : 12.5 to 24.5 × 1.6 to 5 mm
SR Standard series
CR Standard series
Capacity :
SR : 20 to 110 mAh
CR : 30 to 610 mAh
Operating Temperature Range :
SR/LR : -10°C to 60°C
CR : -30°C to 70°C

Capsule Endoscopy

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Device Size Series / Spec. Function
Battery SR : 6.8 to 11.6 × 2.05 to 5.4 mm (Long life)
SR Standard series
(High drain)
SSR/LR High Drain series
Capacity :
20 to 150 mAh
Operating Temperature Range :
-10°C to 60°C

Smart Thermometer

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Device Size Series / Spec. Function
Battery Φ4 × 12 mm CT04120 Capacity : 3 mAh Operating Temperature Range :
-20°C to 70°C