Casio watch batteries: a guide to choosing batteries

Watch batteries are containers filled with an electrolyte, allowing the flow of ions and electrons from one pole to another. They form a substantial category of products and can be classified based on their electrochemical system as: Casio watch batteries: a guide to choosing batteries

Is your watch not working properly?
The second hand jumps over two divisions, some functions (e.g. sensors or radio synchronization) are not activated? Does daylight charging no longer work? Is the electronic display starting to dim?

The list goes on and on, but all of these symptoms have one cause - the battery in your watch is dead and needs to be replaced. Where and what kind of battery should I buy? How to replace it? Answers to these and other questions you will find in this material.

Casio watch batteries: a guide to choosing batteries

  • Alkaline
  • Lithium
  • Silver-zinc
  • Silver oxide

Additionally, letters at the end of the name indicate the intended energy consumption devices for these batteries:

  • W โ€“ for high consumption
  • SW โ€“ for low consumption

Based on their shape, they can be round, flat, or button-shaped. The diameter ranges from 6.8 to 10 mm, and the height ranges from 1.6 to 3.6 mm. Most watch batteries are also suitable for Casio watches.

Casio watch batteries: a guide to choosing batteries

Characteristics of Watch Batteries

Alkaline Batteries

  • Voltage: 1.5 V
  • Storage Life: At least 5 years
  • Markings: Prefixes L, LR, AG, and labeled "Alkaline"
  • Features: Medium power reserve, widely used

Lithium Batteries

  • Voltage: 3 V
  • Storage Life: At least 7 years
  • Markings: Prefixes BR, CR
  • Features: Larger size, can withstand strong pulse charges and high loads, ensuring reliable and uninterrupted operation

Silver-Zinc Batteries

  • Features: Low resistance, high energy capacity, capable of delivering high currents, operate over a wide temperature range, high mechanical strength

Silver Oxide Batteries

  • Voltage: 1.5 V
  • Markings: SR, SG
  • Features: Stable voltage until the end of discharge, interchangeable with alkaline batteries but superior in stability and performance

Intended for Different Energy Consumption Devices

  • W (high drain): For high energy consumption
  • SW (low drain): For low energy consumption

Shape and Size

  • Shape: Round, flat, button-shaped
  • Diameter: From 6.8 to 10 mm
  • Height: From 1.6 to 3.6 mm


Most watch batteries are also suitable for Casio watches.

Key Characteristics of Each Battery Type

  • Alkaline: Medium power reserve, 1.5 V, storage life of at least 5 years
  • Lithium: High voltage (3 V), large size, long storage life (at least 7 years)
  • Silver-Zinc: High capacity, low resistance, high mechanical strength
  • Silver Oxide: Stable voltage, high performance, interchangeable with alkaline batteries

Ekaterina Zavalko

๐ŸŒŸ Ekaterina Zavalko is a distinguished fashion writer and stylist with a sharp eye for emerging trends and timeless elegance. With years of experience in the fashion industry, Ekaterina brings a wealth of knowledge and a unique perspective to her writing. She has a passion for exploring the intersections of culture and fashion, and her work illuminates the ways style can express identity and influence the world around us. ๐Ÿ’ฌ Join Ekaterina as she delves into the art of fashion, offering insights that inspire and guide those looking to refine their personal style. Whether it's through her insightful articles or curated looks, Ekaterina is here to help you navigate the ever-evolving world of fashion.

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