1. What is LR44 Battery?

The LR44 is an alkaline button cell battery commonly used in calculators, watches, and small electronic devices. It provides 1.5V nominal voltage and has dimensions of 11.6mm in diameter and 5.4mm in height.

2. LR44 Equivalents

Common equivalent batteries that can replace LR44:

Note: While these are generally interchangeable, slight differences in chemistry (alkaline vs silver oxide) may affect performance and lifespan.

3. Importance of Correct Battery Type

Details: Using the correct battery type ensures proper voltage, fit, and performance. Incorrect batteries may cause damage or malfunction.

4. Using This Calculator

Tips: Enter your calculator model and current battery type to check compatibility and find equivalent options.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between LR44 and SR44?
A: LR44 is alkaline (1.5V), SR44 is silver oxide (1.55V). SR44 typically lasts longer but costs more.

Q2: How long does LR44 last in a calculator?
A: Typically 1-2 years with normal use, depending on calculator functions used.

Q3: Can I use rechargeable batteries instead?
A: Not recommended unless specifically designed as LR44 equivalents, as voltage may differ.

Q4: Why does my calculator need LR44 specifically?
A: The calculator is designed for the specific voltage, size, and current delivery of LR44-type batteries.

Q5: Where can I buy LR44 batteries?
A: Available at electronics stores, pharmacies, and online retailers. Look for reputable brands for best performance.