What Are Watch Batteries 350? Understanding Compatibility Before You Buy

A watch battery can have several numbers associated with it, and that can make purchasing more confusing than it needs to be. The 350 is a good example. You may see it listed as SR1136, SR42, or alongside the 344 designation. Those references can help you find a product, but they don't eliminate the need to check the battery's electrical characteristics.

What are watch batteries 350? The 350 is a silver oxide button cell with a nominal voltage of 1.55V and dimensions of approximately 11.6 mm in diameter and 3.6 mm in height. It is commonly associated with the SR1136W designation and is used in compatible watches and small electronic devices.

For consumers, the priority is selecting a replacement that matches the watch. For retailers, repair shops, and wholesale buyers, the bigger concern is stocking the correct version and avoiding confusion between similar product references.

What Makes the 350 Different From Other Watch Batteries?

The 350 belongs to the larger group of silver oxide button cells. Its 11.6 mm diameter and 3.6 mm height give it a noticeably different profile from smaller models such as the 346 or 348.

Its nominal voltage is 1.55V, but voltage and physical dimensions aren't the only specifications worth checking. The discharge characteristics also matter.

The letter designation in an IEC battery reference can indicate the intended application. In general, W refers to high-drain applications, while SW refers to low-drain applications. A high-drain cell is designed for devices that draw more current, while a low-drain version is intended for devices with relatively modest and steady power requirements.

This is one reason buyers should pay attention to the complete battery designation rather than assuming that two products with similar numbers are interchangeable.

Is a 350 Battery the Same as a 344?

This is where product listings can create confusion.

The 350 and 344 are commonly associated with the SR1136 family and have the same nominal dimensions: approximately 11.6 mm by 3.6 mm. Some manufacturers and retailers group the two references together, and MicroBattery has listed products under combined 344-350 descriptions.

However, the W and SW designations can indicate different discharge characteristics. A 350/SR1136W is generally associated with high-drain use, while a 344/SR1136SW is generally associated with low-drain use.

That distinction matters when a device has specific power requirements. Physical fit alone doesn't establish electrical compatibility.

If you're replacing an existing battery, check the original marking and the watch manufacturer's specifications. If the documentation calls for a particular drain type, follow it. When the product listing groups 344 and 350 together, ask the supplier to confirm the exact manufacturer's designation before purchasing.

For businesses, this is also a useful detail to include in product records. It helps prevent staff from treating every SR1136 listing as identical.

What Should You Check Before Buying Watch Batteries 350?

Start with the battery reference specified by the device manufacturer. Then compare the product's voltage, dimensions, chemistry, and drain classification.

A suitable listing should identify the manufacturer and provide enough technical information to establish whether the cell is a 350/SR1136W or another version in the SR1136 family.

Packaging is another consideration. Individual buyers may need one battery, while a repair shop or reseller may need a larger pack. Check the quantity carefully, especially when comparing prices across different suppliers.

Don't overlook product condition and storage information, either. Button cells should remain in their original packaging until needed and be stored according to the manufacturer's recommendations. For businesses, checking date codes and rotating inventory helps avoid leaving stock unused for too long.

Buying 350 Watch Batteries Online: How to Compare Products

Searching for “350 watch battery” can bring up products with different brand names and cross-reference descriptions. A listing may use SR1136W, SR1136SW, SR42, or a combined 344-350 reference.

Rather than choosing the first result, compare the technical details.

Look for the stated voltage, dimensions, chemistry, and drain classification. Confirm whether the product is sold individually or in a multipack, and check the manufacturer's name. If the listing doesn't explain whether the battery is high-drain or low-drain, ask for clarification.

MicroBattery's 350 catalog has featured products from brands including Renata, Sony, Maxell, and Energizer. Its listings have also included combined 344-350 products. Brand and package availability can change, so review the current product information before placing an order.

For buyers who want to buy batteries online, a clear product description is more valuable than a short title with several model numbers. It gives you a better basis for comparing options and reduces the chance of ordering a battery that doesn't meet the device's requirements.

When Should Resellers and Repair Shops Buy in Bulk?

Bulk purchasing can be useful when a business has regular demand for a particular battery. Watch repair shops may need replacement cells for customer repairs, while online sellers and distributors may stock multiple brands to serve different purchasing preferences.

But the 350 isn't necessarily a product every retailer needs in large quantities. Before you buy bulk batteries, look at actual sales, repair records, and repeat-order frequency.

A sensible purchasing decision considers the total cost rather than just the unit price. Include shipping, packaging, available quantity discounts, and the amount of inventory you can reasonably sell or use.

It also helps to separate high-drain and low-drain versions in your stock records. If your catalog carries both 344 and 350 references, make the distinction visible to employees who handle picking, packing, and customer inquiries.

MicroBattery has offered individual battery purchases as well as larger wholesale quantities. Businesses planning a recurring supply can contact the company to confirm current pricing, stock, and order arrangements.

Choosing a Battery Supplier for Ongoing Orders

A supplier's value becomes clearer after the first purchase. Can you identify the same product again? Are the specifications clear? Can the supplier explain differences between related models? These questions matter to businesses that depend on consistent inventory.

For watch repair professionals, accurate product information helps reduce incorrect replacements. For online sellers, it supports better product descriptions and fewer customer disputes. For distributors, clear model identification makes purchasing and stock management easier.

When evaluating a battery supplier, look for detailed specifications, recognizable manufacturers, clear packaging information, and support for business orders. If you're buying a product with multiple cross-references, ask the supplier to confirm the exact version rather than relying on a general compatibility statement.

MicroBattery's watch battery catalog gives buyers a place to review available 350 products and purchasing options. Businesses with larger requirements can discuss wholesale arrangements directly.

Are 350 Batteries Useful for Hearing Aids and Emergency Supplies?

A 350 battery may be suitable for certain compatible electronic devices, but it shouldn't be treated as a universal button cell.

Hearing aids often require specific battery formats designed for their particular models. Don't substitute a 350 simply because it is a silver oxide battery or has a similar voltage. Check the hearing aid manufacturer's instructions and purchase the exact battery type specified.

The same rule applies to hurricane and emergency supplies. A 350 may be worth keeping as a spare if a device you rely on specifically requires it. However, emergency radios, flashlights, medical equipment, and other essential devices may use entirely different batteries.

For households and organizations, the practical approach is to list the battery requirements of essential equipment before purchasing backup stock. That way, you're buying batteries that serve a real purpose rather than collecting assorted sizes that may not fit anything you own.

Buy Watch Batteries 350 From MicroBattery

The 350 is commonly identified with the SR1136W designation and has a nominal voltage of 1.55V. Its approximate dimensions are 11.6 mm in diameter and 3.6 mm in height. These details provide a starting point, but checking the drain classification is just as important when comparing it with related 344/SR1136SW listings.

MicroBattery offers a dedicated watch battery catalog for consumers, repair professionals, resellers, and business buyers. Review the available 350 products, compare manufacturers and packaging, and confirm the exact specification before ordering.

If you're purchasing for a business, consider your expected demand and whether individual or wholesale quantities make more sense. For recurring orders, contact MicroBattery to discuss current availability and purchasing arrangements.

Ready to buy watch batteries 350? Verify the required SR1136 version, check the manufacturer's specifications, and choose a supplier that can provide the product information and order quantity you need.

Frequently Asked Questions

What are watch batteries 350?

Watch batteries 350 are silver oxide button cells commonly associated with the SR1136W designation. They have a nominal voltage of 1.55V and measure approximately 11.6 mm in diameter and 3.6 mm in height.

What is the difference between 350 and 344 batteries?

Both are associated with the SR1136 family and share similar physical dimensions. The 350 is generally associated with the high-drain SR1136W designation, while the 344 is commonly associated with the low-drain SR1136SW designation. Confirm the exact manufacturer's specification before substituting one for the other.

Is a 350 battery rechargeable?

No. The 350 is a primary silver oxide battery. It is designed for single use and should be replaced when depleted rather than recharged.

Where can I buy 350 watch batteries online?

MicroBattery lists 350 watch battery products from manufacturers including Renata, Sony, Maxell, and Energizer. Check current listings for product specifications, packaging, and availability.

Can businesses buy 350 batteries in bulk?

Yes. Larger purchasing quantities may be available through wholesale arrangements. Businesses should contact MicroBattery to confirm current stock, pricing, and order requirements.

Can I use a 350 battery in a hearing aid?

Only if the hearing aid manufacturer explicitly specifies a compatible battery. Many hearing aids use different battery formats, so check the device documentation before purchasing.

What does SR1136W mean?

SR1136W is an IEC-style designation identifying a silver oxide button cell. SR indicates silver oxide chemistry, 1136 describes its approximate size, and W identifies a high-drain application. Always compare the complete designation with the device's requirements.