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The 3V CR2032 Lithium Coin Battery is a high-performance, non-rechargeable lithium button cell designed to provide reliable and long-lasting power for a wide range of electronic devices. Featuring a nominal voltage of 3V and a compact coin-cell design, the CR2032 battery is widely used in calculators, digital thermometers, computer motherboards, real-time clocks (RTC), remote controls, key fobs, fitness devices, medical equipment, watches, electronic toys, LED lights, and numerous embedded electronics applications. Its stable output voltage, low self-discharge rate, and extended shelf life make it an excellent choice for both consumer and industrial applications.
Manufactured using advanced lithium manganese dioxide (Li-MnO₂) chemistry, the CR2032 battery offers a typical capacity of approximately 220mAh to 240mAh depending on the manufacturer. It delivers consistent voltage throughout most of its discharge cycle and is designed to operate efficiently over a wide temperature range. The battery provides dependable performance in low-power electronic circuits requiring continuous and reliable energy for memory backup, RTC modules, CMOS batteries, sensors, wireless devices, and portable electronics.
The CR2032 features a standardized 20mm diameter and 3.2mm thickness, making it compatible with thousands of devices designed for CR2032 batteries. It requires no maintenance, has an extremely low self-discharge rate, and offers a shelf life of up to 10 years under proper storage conditions. The battery is leak-resistant under normal operating conditions and is designed for reliable operation in consumer electronics, industrial equipment, healthcare devices, security systems, automotive accessories, and embedded systems.
Designed for hobbyists, students, engineers, technicians, manufacturers, and DIY enthusiasts, the 3V CR2032 Lithium Coin Battery is suitable for electronics prototyping, development boards, Arduino and Raspberry Pi RTC modules, wearable devices, wireless sensors, and backup memory applications. Its universal compatibility and dependable performance make it one of the most widely used coin-cell batteries in the electronics industry.
3V Lithium Coin Cell Battery
CR2032 Standard Battery Size
Lithium Manganese Dioxide (Li-MnO₂) Chemistry
Stable 3V Output Voltage
Typical Capacity of 220mAh to 240mAh
Compact and Lightweight Design
20mm Diameter
3.2mm Thickness
Long Service Life
Low Self-Discharge Rate
Shelf Life Up to 10 Years
Maintenance-Free Operation
Leak-Resistant Construction
Reliable Continuous Power Output
Suitable for Low-Power Electronics
Ideal for RTC Backup Applications
Compatible with CMOS Memory Backup
Suitable for Computer Motherboards
Perfect for Remote Controls and Key Fobs
Compatible with Watches and Calculators
Suitable for Medical Devices
Works with Fitness Trackers
Ideal for Wireless Sensors
Suitable for Electronic Toys
Compatible with LED Products
Excellent Temperature Performance
Reliable Industrial Grade Power Source
Easy to Install and Replace
Widely Available Standard Battery
Ideal for DIY Electronics Projects
Suitable for Arduino and Raspberry Pi RTC Modules
Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.
