CR2050 3V Lithium Coin Cell Battery: 330mAh of Unrelenting Power for Critical Electronics

In the fast-paced world of B2B electronics, a failing component isn’t just an inconvenience—it’s a system failure, a lost transaction, or a security breach. You don’t just need a battery; you need a silent guardian for your devices.

Engineered with advanced Lithium Manganese Dioxide (Li/MnO2) chemistry, our CR2050 3V Button Cell Battery delivers a massive 330mAh capacity in a highly compact footprint. Designed specifically for OEMs, hardware developers, and electronics manufacturers, this battery ensures your products stay powered, accurate, and ready for action—no matter the environment.

Technical Specifications of CR2050 3V 330mAh Lithium Coin Cell Battery

Full CR Series Lithium-Manganese Button Cells

Why Engineers & Product Managers Choose Our CR2050?

•  Unmatched Energy Density (330mAh): While standard coin cells force early replacements, our CR2050 boasts a robust 330mAh capacity. This translates to fewer maintenance cycles, lower service costs, and happier end-users.
•  Thermal Armor (-20°C to 70°C): From freezing industrial warehouses to sun-baked security panels, this battery is chemically stabilized to deliver consistent voltage across extreme temperature fluctuations.
•  Deploy and Forget (<2% Annual Self-Discharge): Thanks to superior sealing technology and pure chemical composition, this battery retains over 80% of its original capacity even after 10 years of shelf storage.
•  Precision Engineering (Φ20×5.0mm): The perfect balance of space-saving design and high-yield energy output, fitting seamlessly into compact motherboard slots and tight hardware casings.

Core Application Scenarios

The CR2050 is the trusted backbone for continuous, low-drain power demands. It is the ideal Real-Time Clock (RTC) and memory backup solution for:

1. Point of Sale (POS) Terminals: Protects transaction memory and encryption keys during main power loss, ensuring financial data integrity.
2. Notebooks (NB) & Laptops: Serves as the ultimate CMOS battery, preserving system bios and hardware configurations over the device’s entire lifecycle.
3. Security & Alarm Systems: Provides fail-safe power for wireless door/window sensors, access control panels, and smart locks.
4. Industrial IoT & Smart Electronics: Powers tracking beacons, electronic shelf labels (ESL), and medical devices requiring long-term, stable voltage.

Frequently Asked Questions (FAQ)

What is the difference between a CR2032 and a CR2050? While both share a 20mm diameter and 3V output, the CR2050 is thicker (5.0mm vs 3.2mm). This extra volume allows the CR2050 to hold significantly more power (330mAh) compared to the standard CR2032 (typically around 210mAh-225mAh), offering a vastly superior lifespan for your electronics.

Can the CR2050 withstand outdoor security applications? Absolutely. With an operating temperature range of -20°C to 70°C, it is perfectly suited for outdoor security sensors, smart locks, and external alarm panels that experience seasonal weather extremes.

Do you offer custom battery tabs for PCB mounting? Yes. As a dedicated B2B supplier, we provide custom welding, solder tabs, pins, and wire connectors designed specifically for your PCBA manufacturing process.

Partner With Us for Your Next Production Run

Stop letting inferior batteries dictate the lifespan of your premium electronics. Partner with a supplier that understands the demands of global hardware manufacturing.

Ready to integrate the CR2050 into your product?

•  Bulk & Wholesale Pricing Available
•  Free Samples for Engineering Validation
•  Custom Tab & Pin Configurations

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