Brand： Omnergy
Product origin ：China
Delivery time： 15 days
Supply capacity ：750 million per year

The CR2032D is a specialized, industrial-grade primary lithium coin cell engineered for mission-critical applications in extreme cold environments. While standard lithium batteries lose significant conductivity and voltage stability as temperatures drop below -20℃, the “D” Series (Low-Temperature Resistant) utilizes a proprietary electrolyte formula to maintain a robust 3.0V discharge platform even at -55℃.

With a high nominal capacity of 220mAh, the CR2032D is the definitive choice for engineers requiring long-term reliability in arctic, high-altitude, and cold-chain logistics sectors.

Technical Specifications of CR2032D 3V 220mAh

Parameter	Specification
Model	CR2032D (Low-Temperature Series)
Chemical System	Lithium Manganese Dioxide (Li−MnO2)
Nominal Voltage	3.0V
Nominal Capacity	220mAh
Operating Temperature	−55∘C to 60∘C
Dimensions	20.0mm (Diameter) ×3.2mm (Height)
Self-Discharge Rate	≤2% per year (at 20∘C)

Key Performance Advantages

1. Specialist Low-Temperature Electrolyte (-55℃)

The “D” designation identifies our technical breakthrough in electrolyte chemistry. Unlike consumer-grade cells, the CR2032D prevents internal resistance spikes in extreme cold. It provides reliable pulse current and steady voltage at -55℃, ensuring that wireless transmitters and sensors function without interruption in sub-zero climates.

2. High Capacity & Energy Density (220mAh)

Optimized internal construction allows for a consistent 220mAh capacity within the standard 2032 footprint. This high energy density reduces the Total Cost of Ownership (TCO) by extending maintenance intervals and battery replacement cycles for remote devices.

3. Superior Hermetic Sealing

Designed with an upgraded stainless-steel casing and a specialized cold-resistant gasket, the CR2032D offers exceptional leakage resistance. It maintains structural integrity under fluctuating atmospheric pressures and severe temperature cycles.

4. 10-Year Shelf Life

Utilizing high-purity manganese dioxide and ultra-stable lithium, this battery retains over 95% of its capacity after 5 years of storage and remains operational for up to 10 years, making it ideal for emergency backup and “set-and-forget” infrastructure.