


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 |
| 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
- 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



