CR2477PH 3V 1050mAh Lithium Manganese Dioxide Battery
- Omnergy
- China
- 15 days
Source the revolutionary CR2477PH 3V 1050mAh lithium coin cell. Engineered with breakthrough 'PH' hyper-density chemistry for next-gen automotive keys (-20°C to 70°C).
CR2477PH 3V 1050mAh Lithium Manganese Dioxide Battery: The Supreme Titan of Automotive Micro-Power

Defying Limits: Why Advanced Smart Keys Need Four-Digit Capacity
As vehicle telematics enter a new era, premium smart keys have transitioned from simple RF remote controls into active, bidirectional micro-computers. Featuring real-time full-color LCD screens, continuous two-way Ultra-Wideband (UWB) proximity radar tracking, and biometric driver profiles, these next-gen key hardware systems run continuous, heavy background currents.
Using standard commercial coin cells in these environments forces engineers into an impossible trade-off: bulky battery packs or frequent, frustrating consumer battery changes.
The CR2477PH shatters this limitation completely. The "PH" designation signifies our breakthrough Power High / Hyper-Capacity internal architecture. By compressing a massive 1050mAh energy reservoir into the robust 24.5mm*7.7mm chassis, this automotive-grade powerhouse eliminates premature voltage sag and early-life low-battery alerts on luxury vehicle displays.
Technical Specifications Matrix of CR2477PH 3V 1050mAh Lithium Manganese Dioxide Battery
| Parameter | Specification | Industrial Relevance for B2B Procurement |
| Model | CR2477PH (Hyper-Capacity) | Maximum density, drop-in premium upgrade for deep-cavity fobs |
| Chemistry | Lithium Manganese Dioxide (Li/MnO2) | Hyper-dense cathode matrix, zero toxic heavy metals, 10-year shelf life |
| Nominal Voltage | 3.0V | Rigid discharge plateau guarantees maximum signal range for its entire life |
| Nominal Capacity | 1050mAh | Industry-leading energy threshold breaking past the traditional 1000mAh limit |
| Operating Temp | -20°C to 70°C | True car-grade thermal hardening against severe climate exposure |
| Dimensions | 24.5mm (Diameter) × 7.7mm (Height) | Ruggedized physical casing engineered for maximum high-vibration resilience |
Full PH Series Lithium Manganese Dioxide Batteries
| Model | Nominal Voltage (V) | Nominal Capacity (mAh) | Nominal Current (mA) | Maximum Continuous Current (mA) | Maximum Pluse Current (mA) | Max Dimension (mm) | Weight (g) |
| CR1620PH | 3 | 80 | 0.1 | 4 | 10 | Φ16.0X2.0 | 1.3 |
| CR1632PH | 3 | 1 40 | 0.2 | 4 | 10 | Φ16.0X3.2 | 2.0 |
| CR2016PH | 3 | 85 | 0.1 | 6 | 10 | Φ20.0X1.6 | 2.0 |
| CR2025PH | 3 | 165 | 0.2 | 6 | 18 | Φ20.0X2.5 | 2.7 |
| CR2032PH | 3 | 245 | 0.2 | 6 | 18 | Φ20.0X3.2 | 3.2 |
| CR2050PH | 3 | 380 | 0.4 | 6 | 18 | Φ20.0X5.0 | 4.7 |
| CR2430PH | 3 | 300 | 0.2 | 8 | 28 | Φ24.5X3.0 | 4.5 |
| CR2450PH | 3 | 620 | 0.4 | 8 | 28 | Φ24.5X5.0 | 6.9 |
| CR3032PH | 3 | 550 | 0.4 | 10 | 35 | Φ30.0X3.2 | 6.9 |
| CR3832PH | 3 | 950 | 0.8 | 20 | 75 | Φ38.0X3.2 | 11.5 |
| CR2477PH | 3 | 1050 | 0.6 | 8 | 28 | Φ24.5X7.7 | 10.5 |
Strategic Value Pillars
1. Breakthrough 1050mAh "PH" Hyper-Density Formula
While mass-market manufacturers dilute internal chemistry to optimize production margins, our PH engineering optimizes the internal active material compression ratio and utilizes an ultra-purified Lithium-Manganese compound. This provides a dense 1050mAh reservoir, engineered specifically to handle continuous bidirectional data handshakes and high-frequency pulse loads without experiencing internal structural degradation.
2. Extreme Weather Car-Grade Certification (-20°C to 70°C)
Vehicle remotes face unforgiving climate swings. Locked inside a glove compartment in the blistering summer desert or dropped on icy pavement during a winter blizzard, the CR2477PH uses a premium, low-volatility electrolyte that maintains steady internal kinetic speeds, completely neutralizing weather-induced signal loss.
3. Ultimate Double-Barrier Leak Protection
Because high-end smart keys cost hundreds of dollars to replace, a leaking battery is an unacceptable liability. The CR2477PH features an automated hermetic crimping seal and an advanced anti-corrosion chassis wrap, driving the internal structural leakage rate to a strict near-zero benchmark.

Primary Application Environments
Next-Generation Automotive Telematics: Advanced LCD touch-screen smart keys, Ultra-Wideband (UWB) digital proximity remotes, high-power Passive Entry Passive Start (PEPS) nodes, and real-time fleet asset tracking transponders.
Heavy-Duty Industrial IoT: Long-life infrastructure sensor arrays, active RFID long-range maritime cargo trackers, and smart utility grids.
Enterprise Access & Medical Tech: Real-Time Location Systems (RTLS) for hospitals, multi-protocol biometric authentication hardware, and low-maintenance clinical tracking patches.

Frequently Asked Questions
What does the "PH" mean in the CR2477PH battery?
The "PH" stands for Power High / High Capacity. It marks our premium industrial line where the cell's internal energy matrix is optimized to hold an advanced 1050mAh capacity, specifically engineered to withstand heavy current pulses required by automotive key fobs and smart telematics.
Can the CR2477PH replace a standard CR2477 button cell?
Yes, it is 100% physically backwards compatible (24.5mm*7.7mm). It functions as a premium, long-life, drop-in upgrade that provides immediate resilience against temperature swings and extends overall device maintenance cycles.
Secure Your Wholesale Global Supply Chain
We specialize in supplying high-performance micro-power components to global Tier-1 automotive manufacturers, security hardware developers, and industrial IoT innovators. We provide bulk industrial tray layouts optimized for automated factory assembly lines, as well as customized retail blister configurations. Every batch is certified under UN38.3, MSDS, and international air/maritime transport regulations.









