CR2430PH 3V 300mAh Lithium Manganese Dioxide Battery
- Omnergy
- China
- 15 days
- 750 million per year
Wholesale CR2430PH 3V 300mAh lithium coin cells. Engineered with 'PH' high-capacity chemistry and an ultra-wide -20°C to 70°C thermal range for premium automotive smart keys.
CR2430PH 3V 300mAh Lithium Manganese Dioxide Battery: The High-Capacity Anchor for Next-Gen Automotive Telematics

Elevating Long-Range Remote Performance: Why Standard 2430 Cells Sag
Premium automotive systems—such as advanced two-way Remote Keyless Entry (RKE), long-range remote engine starters, and complex Passive Entry Passive Start (PEPS) nodes—rely on a strong, unhindered RF signal. Because these devices handle heavy cryptographic handshakes across longer distances, they pull aggressive, sustained pulse currents from the power source.
When standard consumer-grade CR2430 cells face these sudden high-drain demands, their voltage sags. This leads to diminished remote range, intermittent connection failures, and premature low-battery warnings on vehicle dashboards.
The CR2430PH is engineered to eliminate this bottleneck. The "PH" designation signifies our proprietary Power High (High Capacity) chemical matrix. By delivering a massive 300mAh within a precise 24.0mm x 3.0mm form factor, this cell offers an instant upgrade in runtime and pulse endurance for advanced vehicle telematics.
Technical Specifications Matrix of 300mAh Lithium Manganese Dioxide Battery
| Parameter | Specification | Industrial Relevance for B2B Procurement |
| Model | CR2430PH (High Capacity) | High-performance, direct drop-in replacement for any CR2430 slot |
| Chemistry | Lithium Manganese Dioxide (Li/MnO2) | Long-term reliability, zero heavy metals, 10-year shelf life |
| Nominal Voltage | 3.0V | Rigid discharge plateau ensures maximum signal range for the cell's entire life |
| Nominal Capacity | 300mAh | Massively outpaces baseline commercial cells (typically 270-280mAh) |
| Operating Temperature | -20°C to 70°C | True car-grade thermal hardening against severe climate exposure |
| Dimensions | 24.5mm (Diameter) × 3.0mm (Height) | Micro-calibrated casing to ensure stable internal connection contact |
PH Series: High-Capacity Lithium-Manganese Button Cell 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 of 3V 300mAh Lithium Manganese Dioxide Battery
1. The "PH" 300mAh Advantage: Sustained Pulse Mastery
While ordinary off-the-shelf CR2430 batteries typically peak around 270mAh, our specialized PH chemistry optimizes internal volume efficiency through an ultra-pure, compressed lithium-manganese formulation. This yields a robust 300mAh capacity that handles sudden, high-frequency current bursts without suffering localized voltage drops, significantly extending the overall replacement cycle.
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 CR2430PH 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 CR2430PH 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
Automotive Supply Chain: Luxury Proximity Keys, Remote Keyless Entry (RKE) transmitters, Passive Entry Passive Start (PEPS) systems, and long-range car alarm controllers.
Smart Security & IoT Infrastructure: High-power asset tracking beacons, active RFID cargo tags, and Bluetooth® Low Energy (BLE) micro-routers.
Enterprise Access Control & Medical: Multi-protocol biometric authentication badges, real-time location systems (RTLS), and long-life clinical diagnostic hardware.

Frequently Asked Questions
What does the "PH" mean in the CR2430PH 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 300mAh capacity, specifically engineered to withstand heavy current pulses required by automotive key fobs and smart telematics.
Can the CR2430PH replace a standard CR2430 button cell?
Yes, it is 100% physically backwards compatible (24.5mm*3.0mm). 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 Supply Chain
We are an established Tier-1 manufacturer supplying reliable, high-density micro-power components globally. We provide bulk industrial tray packing for automated assembly lines, as well as premium customized retail blister packaging. All batches are fully certified under UN38.3, MSDS, and strict international lithium transport compliance.









