


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 |
| 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
- 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
- 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
- Independent 4-slot charging for different batteries
- Touch screen control provides user-friendly operation
- 4 working modes for charging, testing batteries, and more
- Compatible with Li-ion, Ni-Cd, & NiMH batteries
- Quick Charge 3.0 technology enables fast and efficient device charging
- USB compatibility supports a wide range of electronic devices
- Compact adapter design makes it ideal for travel and everyday use
- Intelligent charging management helps optimize power delivery
- Universal cable to consolidate chargers for work, home, or EDC use
- USB-C, Micro-USB, and Lightning plugs for various electronics
- USB-C input with USB-A adapter for use with any USB power source
- 3.93ft long cord, allowing you to use your phone during recharging!
- Premium materials for durability and fast charge speeds
- Fits flashlights w/ diameter of 24-32mm & length of 130mm-170mm
- Great for EDCs, tactical lights, slim lights, & more!
- Durable and flexible nylon material keeps lights secure
- 33g weight won't drag you down!
- Portable powerhouse - emits a 1148ft beam from a 3.4in light!
- Strobe and SOS modes accessible for emergencies
- Dual-fuel power - swap in a CR123A when needed
- Strong magnetic tailcap for hands-free repair jobs
- USB-C port offers seamless recharging from anywhere!
- 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



