Can you replace the battery of an LR44 by a 357 battery? Compatibility Explained

If your device uses the the LR44 batteries and you're running out of replacements, you may think: Can I use the 357 battery instead? The short answer is in most instances. However, there are significant distinctions between these two popular button cell batteries that you must be aware of before you make the switch.

This guide will provide compatibility of 357 and LR44 batteries and their main differences and the best time to (or should not) make use of the two batteries interchangeably.

LR44 vs. 357: Key Differences

From a first look, LR44 and 357 batteries are similar in appearance. They have the identical 11.6mm size in diameter and 5.4mm height and each battery provides 1.5 Volts. But they're internal chemicals and performances are different:

Feature	LR44 (Alkaline)	357 (Silver Oxide, SR44)
Chemistry	Alkaline	Silver Oxide
Voltage Stability	It decreases with time	Remains stable until depletion
Lifespan	Moderate (~6-12 months)	Longer (~12-24 months)
Best For	Basic calculators, toys, electronic	Watches, medical devices, precision tools

Can You Use a 357 Instead of an LR44?

It is true, but in many instances since both batteries share the same voltage and dimensions that a 357 will physically work in devices that are designed for LR44.

But take into consideration these elements:

• Longevity The 357 (SR44) will last longer and is perfect for devices with high drains.

• Stability of voltage Silver oxide batteries keep the same voltage while alkaline (LR44) gradually decreases.

• Cost 357 batteries are usually higher priced than LR44s.

For an exhaustive list of the compatible alternatives, refer to this thorough guide on LR44 batteries replacements.

When Should You Use a 357 Instead of an LR44?

Best Scenarios for Swapping

Watches and High-Performance Devices In the event that your electronic watches or devices for medical purposes (like a glucose monitor) was originally built using the an SR44 (357), replacing it with an LR44 could work for a short time however, performance will decrease more quickly.

High Drain Electronics Laser pointers, LED lights, as well as some digital thermometers benefit from 357's power output that is stable.

When to Use an LR44

Toys & Basic Electronics In the event that your item is low-drain (e.g. or a keyboard, calculator or toy) it is recommended that you use LR44 is more affordable.

Temporary Solutions - If you have a 357 in your possession it should be able to work, but you could be paying for extra duration.

Where to Buy LR44 and 357 Batteries

Both types of batteries are accessible at:

• Electronics stores (Best Buy, Micro Center)

• Online retailers (Amazon, Walmart)

• pharmacies (CVS Walgreens, CVS) often have LR44s in the checkout counters

For large purchases online, stores such as the official website of Energizer as well as Panasonic's distributor websites have better bargains.

How to Replace an LR44 Battery with a 357

If you choose to change your mind take these steps:

1. Access the battery compartment Make use of an appropriate screwdriver.

2. Take out an old version of LR44 (note that the orientation is (+/- towards the top).

3. Add the number 357 - Make sure the positive side is compatible with the contacts on your device.

4. Check the gadget If it doesn't work, double-check the polarity.

Final Verdict: Is the Swap Worth It?

• for long-term use on high-precision devices for long-term use in precision devices 357 (SR44) is more suitable..

• for everyday devices where price is an issue The best option is to Choose LR44..

Still unsure? Look over this extensive LR44 battery manual for more information on alternatives and performance.

Have you ever switched an LR44 with a 357? Let us know your experiences with us in the comment section!