Omnergy BR2477 3V 900mAh Lithium Carbon Monofluoride Lithium battery
- Omnergy
- China
- 15 days
- 750 million per year
Eliminate field maintenance with the Omnergy BR2477 3V 900mAh Lithium Carbon Monofluoride battery. Severe -40°C to +85°C backup for servers & POS.
BR2477 3V 900mAh Lithium Coin Cell: The Uncontested Titan of Long-Lifecycle Micro-Power
When field maintenance costs represent a major threat to your operational ROI, designing hardware with standard consumer batteries is a liability. Step up to the ultimate micro-power reserve: the Omnergy BR2477 3V Lithium Carbon Monofluoride (Li-CFx) Coin Cell.
By optimizing the vertical profile to a robust 7.7mm, we have packed an unprecedented 900mAh capacity into a 24.5mm diameter footprint. The BR2477 is engineered for high-stakes, heavy-drain, and multi-decade B2B applications. It is built to achieve a singular engineering goal: outlast the operational lifespan of the device itself.
Technical Specifications of BR2477 3V 900mAh Lithium battery
| Specification | Parameter |
| Model Number | BR2477 |
| Brand | Omnergy |
| Chemistry | Primary Lithium Carbon Monofluoride (Li-CFx) |
| Nominal Voltage | 3.0V |
| Nominal Capacity | 900mAh |
| Operating Temperature | -40°C to +85°C |
| Annual Self-Discharge | < 2% (at 20°C) |
| Dimensions | Diameter: 24.5 mm |
| Compliance & Safety | IATF16949, UL, CE, RoHS, UN38.3 |
| Terminal Configurations | Standard Flat, Precision Solder Tabs (DIP/SMD), Insulated Wire Harnesses |
Full BR Lithium Carbon Monofluoride Lithium Batteries
| Model | Nominal Voltage（V） | Nominal Current (mA) | Nominal Capacity (mAh) | Maximum Continuous Current (mA) | Maximum Pluse Current (mA) | Max Dimension (mm) | Working temperature（℃） | Weight（g） |
| BR1225 | 3 | 0.1 | 45 | 1 | 3 | φ12.5×2.5 | -40~+85 | 0.8 |
| BR1632 | 3 | 0.2 | 120 | 2 | 5 | φ16.0×3.2 | -40~+85 | 1.8 |
| BR2016 | 3 | 0.1 | 70 | 2 | 5 | φ20.0×1.6 | -40~+85 | 1.8 |
| BR2025 | 3 | 0.2 | 130 | 3 | 6 | φ20.0×2.5 | -40~+85 | 2.5 |
| BR2032 | 3 | 0.2 | 200 | 3 | 6 | φ20.0×3.2 | -40~+85 | 3 |
| BR2325 | 3 | 0.2 | 170 | 4 | 10 | φ23.0×2.5 | -40~+85 | 3.2 |
| BR2330 | 3 | 0.2 | 240 | 4 | 10 | φ23.0×3.0 | -40~+85 | 3.5 |
| BR2335 | 3 | 0.2 | 280 | 4 | 10 | φ23.0×3.5 | -40~+85 | 4.3 |
| BR2354 | 3 | 0.4 | 420 | 4 | 10 | φ23.0×5.4 | -40~+85 | 6 |
| BR2430 | 3 | 0.2 | 230 | 5 | 15 | φ24.5×3.0 | -40~+85 | 4.2 |
| BR2450 | 3 | 0.4 | 550 | 5 | 15 | φ24.5×5.0 | -40~+85 | 6 |
| BR2477 | 3 | 0.6 | 900 | 5 | 15 | φ24.5×7.7 | -40~+85 | 9.6 |
| BR3032 | 3 | 0.4 | 500 | 8 | 20 | φ30.0×3.2 | -40~+85 | 5.5 |
Core Advantages: Permanent Power Infrastructure
1. Massive 900mAh Energy Reserve
The BR2447 represents the absolute peak of energy density in the primary lithium button cell market. Offering up to four times the capacity of common 2032 cells, it handles prolonged data-logging cycles, intensive real-time clock (RTC) tracking, and continuous SRAM encryption backup without breaking a sweat.
2. Flawless Extreme Temperature Performance (-40°C to +85°C)
Industrial hardware rarely lives in a climate-controlled room. The advanced Li-CFx chemistry ensures a highly stable, leak-free, and fade-free voltage output whether deployed in sub-zero outdoor infrastructure at -40°C or baking inside heavily taxed enterprise server enclosures at +85°C.
3. True Decade-Plus Standby Longevity (<2% Annual Self-Discharge)
A massive capacity means nothing if the battery drains itself internally. Rigorously engineered for long-term reliability, the Omnergy BR2477 boasts a self-discharge rate of less than 2% per year. Your critical systems can remain dormant or on standby for over 10 years, ready to deliver full current the exact microsecond the primary power grid fails.
Target Applications: Powering High-Stakes B2B Infrastructure
The 900mAh dominance of the BR2477 makes it the undisputed heavy-duty choice for commercial and infrastructure electronics:
Enterprise Servers & High-Performance Computing: The definitive high-capacity CMOS and RTC backup choice, ensuring complex server architectures, system clocks, and hardware logs survive extended, catastrophic data center grid failures.
Point of Sale (POS) Terminals & ATMs: Secures offline financial transaction logs, encryption keys, and sensitive configuration data in enterprise payment gateways where memory loss equals immediate financial loss.
Commercial Security & Access Control: Delivers relentless, years-long standby power for complex smart locks, high-drain remote security sensors, and perimeter control modules.
Industrial IoT, PLCs & Smart Utilities: The premier power source for rugged flow meters, remote telemetry units (RTUs), and environmental sensors that require 10 to 15 years of uninterrupted field life.
Engineering Insight: Maximizing the Z-Axis for Ultimate TCO Reduction
Why allocate a 7.7mm vertical clearance for the BR2477 over slimmer alternatives?
The decision is a masterclass in Total Cost of Ownership (TCO) management. While moving to a thicker cell requires vertical space on your PCB, unlocking a 900mAh capacity completely eliminates field battery replacement cycles over a 10- to 15-year device lifespan. One field technician dispatch to replace a dead battery costs significantly more than the initial hardware design adjustment.
Furthermore, utilizing the Omnergy BR-series (Li-CFx) chemistry over standard CR (Lithium Manganese Dioxide) cells provides a perfectly flat 3.0V discharge profile. CR alternatives experience a continuous voltage drop and risk swelling at temperatures above 60°C. The BR2477 maintains safe, absolute structural integrity up to 85°C and ensures microprocessors receive a steady voltage until the cell is entirely depleted.
The Omnergy Advantage: Scale, Precision, and Partnership
As a recognized "Little Giant" and "Invisible Champion" in the primary lithium micro-power sector, Omnergy brings elite manufacturing pedigree to your global supply chain.
Our world-class R&D laboratory houses over 180 specialized testing instruments, guaranteeing that every batch delivers unyielding consistency. Operating under strict automotive-grade IATF16949 quality systems, our highly automated manufacturing facility boasts a massive monthly production capacity of 66 million units.
Whether you need bulk standard cells or custom battery solutions with precision-welded pins and wire connectors tailored to your automated assembly line, you are partnering with a true source factory capable of supporting enterprise-scale manufacturing.
