


Sony/MuRata SR1120W 391 40mAh 1.55V Silver Oxide Watch Battery - 1 Piece Tear Strip
- 1.55V silver oxide battery designed for watches and precision electronics
- 40mAh capacity supports stable, long-lasting low-drain performance
- Consistent voltage output helps maintain accurate timekeeping
- Tear strip packaging allows easy single-battery access
- Size: 391
- Voltage: 1.55
- Rechargeable: No
- Chemistry: Silver Oxide
- Capacity (mAh): 40
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Description
PLEASE NOTE: Batteries are sold individually. Capacity may vary depending on application, temperature, and other factors.
Murata 391
SR1120 Silver Oxide
The Murata 391 / 381 is a button cell battery for watches made to meet the highest standards of quality. This watch battery fits in a wide variety of timepieces as well as similar small electronics for everyday use. With 1.55 volt power and a 60mAh capacity, the Murata 391 is sure to keep your favorite devices powered up stronger and longer than competing brands. The Murata 391 is made with silver oxide chemistry which is mercury free and environmentally friendly.
Features & Specifications:- Mercury Free
- Made in Japan
- Battery Size: 391 (SR1120)
- Chemistry: Silver Oxide
- Voltage: 1.55V
- Typical Capacity: 60mAh
- Dimensions:
- Height: 0.08" (2.05mm)
- Diameter: 0.45" (11.6mm)
- Weight: 0.032oz (0.92 g)
Item Details
| Brand | Murata |
| SKU | MURATA-391-381 |
| MPN | 391-381 |
| UPC | 008562020047 |
| Size | 391 |
| Voltage | 1.55 |
| Battery Rechargeable | No |
| Capacity (mAh) | 40 |
| Chemistry | Silver Oxide |
| Shelf Life | 4-6 Years |
| Packaging | Tear Strip |
| QTY Per Package | 1 |
| California Residents | see Prop 65 WARNINGS |
Specifications
| Size | 391 |
| Voltage | 1.55 |
| Battery Rechargeable | No |
| Capacity (mAh) | 40 |
| Integrated Charge Port | No |
| Equivalent Types | 1160SO, 381, 381/391, 391, 609, 9922, AWI S11, AWI S20, Citizen 280-27, Citizen 280-30, D381, D391, K391, R391/23, SP391, SR/TR1120W, SR1120SW, SR1121, SR55, Seiko SB-AS, Seiko SB-BS, Seiko SB-ES, Timex L, V381 |
Unit Dimensions
| Height | 0.08 in (2 mm) |
| Diameter | 0.45 in (11 mm) |
| Weight | 0.032 oz (1 g) |
Packaging/Shipping Dimensions
| Length | 2 in |
| Width | 1 in |
| Height | 0.15 in |
| Shipping Weight | 0.01 lb |
Documents
Additional Details
| Packaging | Tear Strip |
| Warranty | Battery Junction Warranty |
| Return Policy | Return Policy |
Bright Buys
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Ideal for low-drain applications that require a primary battery to provide constant power
- 10-year shelf life - stock up for emergencies!
- The best choice for consistent power, great in low-drain devices like remotes
- Safe and reliable - capable of performing in high or low temperatures
- 11-in-1 card sized tool fits in your wallet or on a keychain!
- Packed with handy tools including a screwdriver & 7 wrench settings
- Serrated saw and straight-edge knife for quick cutting jobs
- Can + bottle openers for campsite meals or end-of-shift relaxation
- Four-channels saves time by charging multiple batteries at once.
- Capable of charging multiple chemistries by automatic battery detection.
- LCD display reveals the charging progress, battery type, voltage, and charging current.
- Automatic power-off function cuts off the current when charging is complete.
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Extremely compact and powerful EDC
- Max output of 3,000 lumens with a max throw of 229 meters
- Dual fuel and available with extender for use with a 26650
- Equipped with 4 x CREE XPG3 LEDs for maximum illumination
- Reliable lithium chemistry with a 10 year shelf life
- Regarded as one of the highest quality CR123A batteries on the market
- Used in LED flashlights, alarm systems, ranger finders and more
- Cells are lightweight, durable and ideal for long term storage
- Jacket style may vary
- 225mAh capacity drives long runtimes for watches and electronics
- CR2032 coin cells packed with 3V of power
- Convenient 6-piece retail card provides backup batteries
- Easily replaceable primary lithium cells
- Top recommended battery for Apple AirTags
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- 3,000 lumens and a 250-meter throw - fierce illumination to light up your backyard
- Multiple output modes are accessible via easy side switch operation
- Strobe, SOS, and beacon modes offer distinct signaling capability
- High-capacity battery supports the light with a maximum 227-hour runtime



