


Sony/MuRata SR731SW 329 39mAh 1.55V Silver Oxide Watch Battery - 1 Piece Tear Strip, Sold Individually
- 1.55V silver oxide cell for long‑lasting power
- Leak‑resistant, mercury‑free construction
- Reliable choice for watches and compact electronics
- 39mAh performance supports steady, dependable operation
- Size: 329
- Voltage: 1.55
- Rechargeable: No
- Chemistry: Silver Oxide
- Capacity (mAh): 39
- Terminal Type: Pressure Contact
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Description
Murata SR731SW Silver Oxide Battery
Size 329
The Murata SR731SW silver oxide battery is a micro-sized power source for use in portable electronic devices, such as a watch. This non-rechargeable coin cell, also known as battery size 329, offers an impressive 39mAh capacity for long-lasting, continuous power. The Murata SR731SW silver oxide battery measures just 7.9 mm in diameter and can, therefore, be used in a variety of small electronics. Please note that this non-rechargeable coin cell is sold individually. When placing an order, one unit ordered is equal to one battery. When purchasing in larger quantities, the silver oxide battery will be packaged in tear strips of five.
Features:
- More capacity than alkaline for longer lasting performance
- Flat discharge current provides reliable power
- Leak-resistant and Mercury-free
- Typical applications:
- Watches
- Calculators
- Electronic clinical thermometers
- Portable games
- Portable radios
- Cameras
- Remote Controls
Specifications:
- Battery Size: 329 / SR731SW
- Battery Chemistry: Silver Oxide
- Nominal Voltage: 1.55V
- Nominal Capacity: 39mAh
-
Dimensions:
- Length - 0.122" (3.1 mm)
- Diameter - 0.311" (7.9 mm)
- Weight: 0.020 oz. (0.57 g)
Item Details
| Brand | Murata |
| SKU | MURATA-329 |
| MPN | 329-TS |
| UPC | 008562020085 |
| Size | 329 |
| Voltage | 1.55 |
| Battery Rechargeable | No |
| Capacity (mAh) | 39 |
| Chemistry | Silver Oxide |
| Shelf Life | 5 Years |
| Packaging | Tear Strip |
| QTY Per Package | 1 |
| California Residents | see Prop 65 WARNINGS |
Specifications
| Size | 329 |
| Voltage | 1.55 |
| Battery Rechargeable | No |
| Capacity (mAh) | 39 |
| Terminal Type | Pressure Contact |
| Integrated Charge Port | No |
| Equivalent Types | 329, 525, AWI S42, D329, SR731, SR731SW, V329, V525 |
Unit Dimensions
| Length | 0.122 in (3 mm) |
| Diameter | 0.311 in (8 mm) |
| Weight | 0.02 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



