✅Product Description
Overview
The CR2032 CMOS Battery is a reliable 3V lithium coin-cell battery designed to power the CMOS/BIOS memory and real-time clock (RTC) on desktop motherboards and laptops. When your device starts losing date/time or resetting BIOS settings, this is the essential replacement you need. Beyond computing, the CR2032 is also widely used in compact electronic devices such as remotes, calculators, digital scales, watches, toys, and key-fobs.
Key Features
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3.0V Stable Output: Ensures consistent performance for CMOS/RTC backup and low-power electronics.
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Universal CR2032 Size: Standard 20mm diameter, 3.2mm thickness—fits most motherboard CMOS battery holders and small gadgets.
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Lithium Chemistry: Long shelf-life, low self-discharge, dependable voltage stability.
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Wide Compatibility: Works with computers, laptops, medical devices, wearables, remotes, toys, and more.
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Long-Lasting Performance: Designed for low-drain continuous use, perfect for devices that need reliable standby power.
When to Replace Your CMOS Battery
Replace your CR2032 if you notice:
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Your PC or laptop resets date/time after shutdown.
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BIOS settings keep reverting or fail to save.
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The system shows “CMOS checksum error” or similar warnings.
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You want preventive maintenance on older systems.
Technical Specifications
| Specification | Details |
|---|---|
| Battery Type | CR2032 Lithium Coin Cell |
| Voltage | 3.0V |
| Capacity | Approx. 210–240 mAh (varies by manufacturer) |
| Chemistry | Lithium Manganese Dioxide (Li-MnO₂) |
| Diameter | ~20 mm |
| Thickness | ~3.2 mm |
| Typical Usage | CMOS/BIOS backup, RTC, calculators, remotes, key-fobs, watches, scales |
Why Choose This CR2032 Battery?
✔ Reliable and long-lasting performance
✔ Perfect fit for all standard CMOS battery holders
✔ Multiple everyday applications beyond computers
✔ Affordable and easy to replace
✔ Essential maintenance item for PCs and laptops
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