Premium CR3832 3V 850mAh Lithium Coin Cell
- Omnergy
- China
- 15 days
- 750 million per year
Maximize operational life in low-profile devices. Our premium CR3832 3V Lithium Battery delivers a massive 850mAh capacity, 38mm wide footprint, and -20°C to 70°C tolerance. Ideal for industrial controls and advanced electronics.
The Low-Profile Titan: Premium CR3832 3V Lithium Coin Cell (850mAh)
When hardware engineering demands massive energy reserves but vertical space is strictly limited, standard coin cells fall short. Introducing the CR3832 3V Lithium Manganese Dioxide (Li-MnO2) Battery—the ultimate wide-format power solution designed to break design bottlenecks.
By expanding the horizontal footprint to a unique 38mm diameter, the CR3832 spreads its high-purity lithium chemistry over a larger surface area. The result is an extraordinary 850mAh capacity packed into an ultra-thin, 3.2mm profile. It is the definitive power choice for slim industrial control motherboards, next-gen smart terminals, and precision electronic equipment.
Technical Specifications Data Sheet of CR3832 3V 850mAh Lithium Coin Cell
| Specification Parameter | Technical Detail |
| Battery Model | CR3832 |
| Chemistry | Primary Lithium Manganese Dioxide (Li-MnO2) |
| Nominal Voltage | 3.0V |
| Nominal Capacity | 850mAh |
| Operating Temperature Range | -20°C to +70°C |
| Dimensions (Diameter x Height) | 38.0mm × 3.2mm |
| Annual Self-Discharge Rate | < 2% (at 20°C room temperature) |
| Rechargeable | No (Primary Cell) |
Full CR Series of 3V Li-MnO2 button cells
| Model | Nominal Voltage (V) | Nominal Capacity (mAh) | Nominal Current (mA) | Maximum Continuous Current (mA) | Maximum Pluse Current (mA) | Max Dimension (mm) | Weight (g) |
| CR920 | 3 | 20 | 0.1 | 1 | 5 | Φ9.5X2.0 | 0.55 |
| CR927 | 3 | 28 | 0.1 | 1 | 5 | Φ9.5X2.7 | 0.6 |
| CR1025 | 3 | 30 | 0.1 | 2 | 5 | Φ10.0X2.5 | 0.7 |
| CR1216 | 3 | 25 | 0.1 | 2 | 5 | Φ12.5X1.6 | 0.7 |
| CR1220 | 3 | 38 | 0.1 | 2 | 5 | Φ12.5X2.0 | 0.8 |
| CR1225 | 3 | 50 | 0.1 | 2 | 5 | Φ12.5X2.5 | 0.9 |
| CR1616 | 3 | 50 | 0.1 | 3 | 8 | Φ16.0X16 | 1.2 |
| CR1620 | 3 | 70 | 0.1 | 3 | 8 | Φ16.0X2.0 | 1.3 |
| CR1632 | 3 | 120 | 0.2 | 3 | 8 | Φ16.0X3.2 | 2 |
| CR2016 | 3 | 80 | 0.1 | 5 | 15 | Φ20.0X1.6 | 2 |
| CR2025 | 3 | 150 | 0.2 | 5 | 15 | Φ20.0X2.5 | 2.6 |
| CR2032 | 3 | 220 | 0.2 | 5 | 15 | Φ20.0X3.2 | 3.2 |
| CR2050 | 3 | 330 | 0.4 | 5 | 15 | Φ20.0X5.0 | 4.7 |
| CR2320 | 3 | 130 | 2 | 6 | 20 | Φ23.0X2.0 | 3 |
| CR2325 | 3 | 190 | 2 | 6 | 20 | Φ23.0X2.5 | 3.3 |
| CR2330 | 3 | 260 | 2 | 6 | 20 | Φ23.0X3.0 | 4 |
| CR2335 | 3 | 300 | 2 | 6 | 20 | Φ23.0X3.5 | 4.3 |
| CR2354 | 3 | 560 | 0.4 | 6 | 20 | Φ23.0X5.4 | 6.9 |
| CR2430 | 3 | 270 | 0.2 | 7 | 25 | Φ24.5X3.0 | 4.5 |
| CR2450 | 3 | 600 | 0.4 | 7 | 25 | Φ24.5X5.0 | 6.8 |
| CR2477 | 3 | 1000 | 0.6 | 7 | 25 | Φ24.5X7.7 | 10.5 |
| CR3032 | 3 | 500 | 0.4 | 10 | 30 | Φ30.0X3.2 | 6.8 |
| CR3832 | 3 | 850 | 0.8 | 20 | 75 | Φ38.0X3.2 | 11 |
Why Specify Our CR3832? The Power of Wide-Format Engineering
Unmatched 850mAh Capacity in a Slim Shell
Vertical space is often the tightest constraint on a PCB. The CR3832 offers a "Golden Ratio" for industrial designers: it delivers nearly four times the capacity of a standard CR2032 while maintaining the exact same 3.2mm thickness. This translates directly to years of uninterrupted device uptime and drastically reduced field maintenance costs.
Rugged Climate Resilience (-20°C to 70°C)
Industrial hardware rarely lives in a perfect climate. Formulated with advanced thermal stability, our CR3832 maintains a stable, reliable voltage discharge curve whether deployed in a sub-zero automated logistics hub or embedded near high-heat machinery components.
The "Store & Forget" Advantage (<2% Annual Self-Discharge)
Supply chain predictability requires long-lasting components. Thanks to our advanced internal sealing technology and ultra-pure chemical formulation, this battery experiences an incredibly low self-discharge rate of less than 2% per year. Stock your inventory with absolute confidence.
Flawless Dimensional Precision (Φ38.0 × 3.2mm)
Manufactured under strict international quality controls, our CR3832 ensures a millimeter-perfect fit. The wide surface area provides expansive electrical contact, making the battery exceptionally stable and resistant to micro-disconnects caused by heavy industrial vibrations.
Core Application Ecosystems
The unique geometry of the CR3832 makes it the premier battery of choice for applications requiring low thickness combined with maximum capacity.
Industrial Control Boards : Serving as an ultra-long-life Real-Time Clock (RTC) and SRAM memory backup battery for PLCs, CNC machinery, and heavy industrial automation systems.
High-End B2B Electronic Devices: Supplying steady power to localized IoT gateways, network routers, and embedded servers where data preservation is non-negotiable.
Intelligent Infrastructure & Utilities: Providing extended standby power for specialized commercial testing devices, grid monitors, and high-capacity measurement systems.
Low-Profile Smart Terminals: Powering wide-format retail security systems, advanced encryption modules, and thin tracking hardware.
Expert FAQ: Sourcing the CR3832
Q: What is the main advantage of using a CR3832 instead of a stacked or thicker coin cell? A: The primary benefit is profile management. If your device enclosure is thin, you cannot fit a 5.0mm or 7.7mm thick battery (like a CR2450 or CR2477). The CR3832 stays at an ultra-thin 3.2mm but widens to 38mm to deliver a massive 850mAh capacity, giving you maximum power without adding bulk to your hardware design.
Q: Can the CR3832 handle high-vibration industrial environments? A: Yes. Because of its broad 38mm diameter, the physical contact footprint inside a CR3832 battery holder is significantly larger than standard coin cells. This wider distribution of mechanical pressure ensures robust electrical contact and eliminates the risk of micro-disconnects in heavy machinery.
Q: Do you offer custom pins or solder tabs for this battery? A: Absolutely. As a dedicated B2B supplier, we provide custom spot-welding services. We can configure the CR3832 with horizontal solder tabs, vertical pins, or insulated wire connectors to match your exact PCB layout requirements.
Power Your Next Innovation Without the Bulk
Don't let vertical space constraints limit your device’s lifespan. Upgrade to the ultra-wide, high-capacity CR3832 and provide your clients with unmatched field reliability.
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