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Sony Murata CR1220 40mAh 3V Lithium (LiMnO2) Coin Cell Watch Battery - Bulk

Murata CR1220 Coin Cell Watch Battery
Murata CR1220 Coin Cell Watch Battery
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Everyday Low Price: $0.48
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Minimum Order Quantity: 500 units
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Please Note: This item has a minimum order quantity and must be ordered in quantities of 125. Please contact us either by phone or at customerservice@batteryjunction.com for more information.

Murata CR1220

Lithium Coin Cell Watch Battery

A high energy power source for your everyday electronics, the Murata CR1220 is a lithium coin cell watch battery with a multitude of applications. While it is designed for watches, the CR1220 finds a home in many electronics such as medical devices, thermometers, security systems and more. Murata CR1220 batteries have long shelf lives along with 3 volt power and 40mAh energy capacity. These batteries provide reliable long-term power, and are ideal for low discharge devices. Murata CR1220 coin cell batteries can be purchased in bulk quantities.


  • High energy density with lightweight, quality construction
  • Stable chemistry ideal for long discharge periods
  • Leak resistant
  • Low discharge rate for long-term storage
  • UL approved components


  • Battery Size: CR1220
  • Battery Chemistry: LiMnO2
  • Nominal Voltage: 3V
  • Nominal Capacity: 40mAh
  • Standard Current: 0.1mA
  • Operating Temperature Range: -22°F to 158°F (-30°C to -70°C)
  • Dimensions:
    • Height - 0.078" (2 mm)
    • Diameter - 0.492" (12.5 mm)
  • Weight: 0.028 oz. (0.8 g)

In 2017 the Murata brand name replaced the Sony brand on their bulk lithium coin cells. Murata cells are produced in the same factory using the same equipment as Sony branded cells and have the same quality and reliability.

Battery Size:CR1220
Battery Capacity (mAh):40
Battery Chemistry:Lithium
Battery Voltage:3
Battery Shelf Life:10 Years
Warranty:Battery Junction 30-Day Warranty
Return Policy:Battery Junction Return Policy
Product Weight:0.028oz
Country of Origin:Japan
Associated Battery Sizes:1220, 5012LC, AWI L04, BR1220, CR1220, DL1220, ECR1220, KCR1220, LM1220, Seiko SB-T13, Timex PA
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Sony Murata CR1220 40mAh 3V Lithium (LiMnO2) Coin Cell Watch Battery - Bulk

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