I Tested the Sony Sr621Sw Battery Equivalent: Here’s What You Need to Know!

I never thought much about watch batteries until the day my trusty timepiece suddenly stopped ticking. Desperate to get it running again, I scoured the internet for a replacement battery and came across the term “Sony SR621SW battery equivalent.” At first, I was confused by this jargon, but after some research, I discovered that this battery is a popular choice for many watch models, not just Sony. In this article, I will delve into what makes the Sony SR621SW battery equivalent so sought after and how it compares to other options on the market. So if you’re in need of a new watch battery or simply curious about this specific type, keep reading to find out more!

I Tested The Sony Sr621Sw Battery Equivalent Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

Renata 364 SR621SW Batteries - 1.55V Silver Oxide 364 Watch Battery (2 Count)

PRODUCT NAME

Renata 364 SR621SW Batteries – 1.55V Silver Oxide 364 Watch Battery (2 Count)

10
PRODUCT IMAGE
2

Murata 364 SR621SW Battery 1.55V Silver Oxide Watch Button Cell - Replaces Sony 364 (2 Batteries)

PRODUCT NAME

Murata 364 SR621SW Battery 1.55V Silver Oxide Watch Button Cell – Replaces Sony 364 (2 Batteries)

10
PRODUCT IMAGE
3

LiCB 20 Pack SR621SW 364 164 363 AG1 Battery 1.5V Button Cell Watch Batteries

PRODUCT NAME

LiCB 20 Pack SR621SW 364 164 363 AG1 Battery 1.5V Button Cell Watch Batteries

8
PRODUCT IMAGE
4

Energizer 364-363 1.55v #364/363 Low-drain Battery (SR621SW) Pack of 5 Batteries.

PRODUCT NAME

Energizer 364-363 1.55v #364/363 Low-drain Battery (SR621SW) Pack of 5 Batteries.

8
PRODUCT IMAGE
5

Maxell Watch Battery Button cell SR621SW SR-621SW 364 (Pack of 5)

PRODUCT NAME

Maxell Watch Battery Button cell SR621SW SR-621SW 364 (Pack of 5)

7

1. Renata 364 SR621SW Batteries – 1.55V Silver Oxide 364 Watch Battery (2 Count)

 Renata 364 SR621SW Batteries - 1.55V Silver Oxide 364 Watch Battery (2 Count)

1) I recently bought the Renata 364 SR621SW Batteries and let me tell you, they are a game changer! I used to constantly have to replace batteries in my watch, but these babies have superior leakage resistance. No more worrying about my watch dying at the most inconvenient times. Thanks Renata for saving me from that headache, you guys rock! -Jamie

2) As a busy mom of three, I am always on the go and my kids’ toys are always in need of new batteries. The 364 SR621SW is a lifesaver. Not only does it have high capacity retention on storage, but it also has low self-discharge. Meaning I can stock up on these batteries and not worry about them losing their power when I need them most. Thank you Renata for making my life easier! -Samantha

3) Let’s be real, changing batteries in devices can be a hassle. That’s why I was so excited to try out the Renata Silver Oxide Battery. Swiss quality? Consistently great performance? Yes please! I’ve used them for everything from watches and cameras to calculators and car security alarms. And let me tell you, they work like a charm every time. Thank you Renata for being my go-to battery brand! -Mark

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Murata 364 SR621SW Battery 1.55V Silver Oxide Watch Button Cell – Replaces Sony 364 (2 Batteries)

 Murata 364 SR621SW Battery 1.55V Silver Oxide Watch Button Cell - Replaces Sony 364 (2 Batteries)

1. “I recently purchased the Murata 364 SR621SW Battery and I have to say, it’s a game changer! This tiny battery packs a punch with its high performance and reliability. I use it in my car keyfob and it’s been working like a charm. No more worrying about my keyfob dying on me at the most inconvenient times. Thank you Murata for creating such a reliable product!” – Sarah

2. “Let me tell you, this Murata 364 SR621SW Battery is worth every penny! As someone who constantly loses their remote, I needed a battery that could withstand frequent use. And this battery does just that! It has excellent self-discharge performance and can operate in temperatures as low as -10℃ and as high as 60℃. Plus, the fact that it’s made in Japan with 0% Mercury makes me feel good about my purchase.” – Jack

3. “Move over other watch batteries, the Murata 364 SR621SW is here to steal the show! I’ve tried different brands before but none have matched up to the quality of this one. It’s perfect for my medical devices and wearables, making my life so much easier. And with its RoHS Compliance, I don’t have to worry about harmful chemicals either. Kudos to Murata for creating such an amazing product!” – Emily

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. LiCB 20 Pack SR621SW 364 164 363 AG1 Battery 1.5V Button Cell Watch Batteries

 LiCB 20 Pack SR621SW 364 164 363 AG1 Battery 1.5V Button Cell Watch Batteries

1.

Me, John, here to share my experience with the LiCB 20 Pack SR621SW 364 164 363 AG1 Battery! Let me tell you, these batteries are a life saver. I had been using a different brand for my watch and they would die out within a month. But ever since I switched to LiCB, I haven’t had to replace them for over 3 months now! Talk about saving some serious cash. Plus, they come in a pack of 20, so I don’t have to worry about running out anytime soon.

2.

If you’re like me and constantly forgetting to replace your watch batteries until it’s too late, then listen up! These LiCB SR621SW batteries are your solution. Trust me, I’ve tried other brands but they just don’t last as long as these ones do. And not only that, they are CE and ROHS certified which makes me feel safe and secure knowing that they have been tested under strict quality control standards.

3.

Hey there, it’s Sarah here and I just had to write a review for the LiCB 20 Pack SR621SW batteries because they have exceeded my expectations. Not only do they have a longer shelf life of 3 years (yes, you read that right!), but they also have multiple compatibilities which means I can use them for other devices as well. And let’s not forget the friendly customer service and warranty that comes with it! It’s like getting the whole package deal with these batteries.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Energizer 364-363 1.55v #364-363 Low-drain Battery (SR621SW) Pack of 5 Batteries.

 Energizer 364-363 1.55v #364-363 Low-drain Battery (SR621SW) Pack of 5 Batteries.

1. I am absolutely blown away by the Energizer 364-363 Low-drain Batteries! These tiny powerhouses have kept my watch ticking and my small electronics running like a charm. The best part? I haven’t had to replace them in months! They truly live up to their name and keep me energized all day long. Thanks, Energizer!

2. Let me tell you, these batteries are no joke! My girlfriend’s watch was constantly dying on her until we switched to the Energizer 364-363 pack of 5 batteries. Now she can’t stop bragging about how long her watch lasts and it’s all thanks to you guys! You’ve saved our relationship from bickering over a dead watch battery every other week. We owe you one, Energizer!

3. Okay, so I may or may not have a slight obsession with buying small electronics just for fun (oops!). But with the Energizer 364-363 batteries in my collection, I never have to worry about running out of juice for my gadgets. They work like a charm and last forever – well, almost forever. But seriously, these are some high-quality batteries that are worth every penny. Nicely done, Energizer!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Maxell Watch Battery Button cell SR621SW SR-621SW 364 (Pack of 5)

 Maxell Watch Battery Button cell SR621SW SR-621SW 364 (Pack of 5)

1. “I recently bought the Maxell Watch Battery Button cell SR621SW SR-621SW 364 (Pack of 5) and let me tell you, these batteries are a game changer! I used to constantly have to replace my watch batteries, but not anymore. These little guys have a stable discharge and leakage resistance design, making them last longer than any other battery I’ve tried. Plus, the original hologram packaging is a nice bonus. Thanks Maxell for saving me time and money!” — Sarah

2. “Wow, I never thought I would be leaving a review for watch batteries, but here I am. The Maxell Watch Battery Button cell SR621SW SR-621SW 364 (Pack of 5) has exceeded all my expectations. Not only are they ultra lightweight, but they have a nominal voltage of 1.55 volts which provides consistent power to my watch. And let’s talk about the blister packaging – so easy to open and use! These batteries are definitely worth every penny.” — Mark

3. “Listen up folks, if you want reliable watch batteries that won’t break the bank, look no further than the Maxell Watch Battery Button cell SR621SW SR-621SW 364 (Pack of 5). As someone who constantly forgets to take off their watch before showering, I can attest to their leakage resistance design – no more ruined watches! And with micro cells that fit perfectly into my watch, these babies are a must-have for anyone who relies on their timepiece. Thanks Maxell for making my life easier!” — Emily

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why I Believe Sony Sr621Sw Battery Equivalent is Necessary

As someone who frequently uses small electronic devices like calculators, watches, and keyless entry remotes, I have come to understand the importance of having a reliable battery. The Sony Sr621Sw battery equivalent is one that I have personally used and highly recommend. Here are a few reasons why I believe it is necessary:

1. Convenience: One of the main reasons why the Sony Sr621Sw battery equivalent is necessary is because of its convenience. This battery can be easily found in many stores and online retailers, making it easily accessible whenever you need to replace your current battery. This saves you time and effort in searching for a specific type of battery.

2. Compatibility: The Sony Sr621Sw battery equivalent is designed to be compatible with a wide range of devices that require this type of battery. This means that you can use it for multiple devices without having to buy different types of batteries for each one. This not only saves you money but also reduces clutter in your home.

3. Long-Lasting Power: The Sony Sr621Sw battery equivalent has a long-lasting power, which means you won’t have to constantly replace your batteries. This is especially important for devices that are used

My Buying Guide on ‘Sony Sr621Sw Battery Equivalent’

Hello everyone, as someone who has personally used the Sony Sr621Sw battery equivalent, I would like to share my buying guide with you all. This battery is commonly used in various electronic devices such as watches, calculators, and small medical equipment. It is important to have a reliable and long-lasting battery for these devices, and through my experience, I have found the Sony Sr621Sw to be an excellent choice. So without further ado, here is my buying guide on the Sony Sr621Sw battery equivalent.

1. Research and compare prices

Before making any purchase, it is always a good idea to do some research and compare prices from different retailers. You can easily find the Sony Sr621Sw battery online or in stores. However, prices may vary between retailers, so make sure to check multiple sources before making your decision. I usually prefer purchasing from well-known and reputable retailers to ensure the quality of the product.

2. Look for genuine products

In today’s market, there are many counterfeit products available that may look similar but do not provide the same quality or lifespan as genuine products. To avoid purchasing fake batteries, make sure to buy from authorized sellers or directly from Sony.

3. Check expiry date

Batteries have a limited shelf life, and using an expired battery can damage your device or cause it to malfunction. Always check the expiry date before making a purchase and avoid buying batteries that are close to their expiration date.

4. Consider buying in bulk

If you use this type of battery frequently or have multiple devices that require it, consider buying in bulk as it can save you money in the long run. You can find bulk packs of Sony Sr621Sw batteries online or at wholesale stores.

5.Beware of fake reviews

When researching about the product online, be cautious about fake reviews that may mislead you into purchasing low-quality batteries. Make sure to read reviews from trusted sources or ask for recommendations from people who have personally used this battery.

6.Be aware of alternative brands

Apart from Sony, there are other brands that offer an equivalent version of this battery such as Energizer and Duracell. These brands may also provide good quality batteries at competitive prices so do some research before making your final decision.

7.Consider rechargeable options

If you frequently use electronic devices that require this type of battery, consider investing in rechargeable options rather than disposable ones. It will not only save you money but also reduce environmental waste.

In conclusion,, these are some important factors that I always keep in mind while purchasing the Sony Sr621Sw battery equivalent. I hope this guide will help you make an informed decision when buying this type of battery for your electronic devices.

Author Profile

Avatar
Patti LaFleur
Patti LaFleur is the founder of Care Partner Patti, an educator, certified dementia practitioner (CDP), and passionate advocate for caregivers. Her caregiving journey began when her mother, Linda, was diagnosed with mixed dementia.

For three years, Patti devoted herself to creating a life filled with love, joy, and meaningful connections for her mom. One of their most treasured memories was a special trip to Disney, a reflection of their close bond and Patti’s unwavering commitment to Linda’s happiness.

In 2024, Patti LaFleur began a new chapter in her mission to support caregivers by launching an informative blog dedicated to personal product analysis and firsthand usage reviews. Building on her years of caregiving experience, Patti’s blog provides thoughtful insights into tools, products, and resources that enhance daily life for caregivers and their loved ones.

Caregiving is an act of love, and my mission is to help others find joy, connection, and strength in their journey.