CR1620PH 3V 80mAh Battery High-Capacity Automotive Grade Coin Cell
- Omnergy
- China
- 15 days
- 750 million per year
Upgrade to CR1620PH 3V 80mAh lithium coin cells. Engineered with 'PH' high-capacity technology and a -20°C to 70°C temperature range. Ideal for automotive smart keys and Tier-1 B2B supply.
CR1620PH 3V 80mAh Lithium Manganese Dioxide Battery: The High-Capacity, Automotive-Grade Standard

Why "Good Enough" Batteries Fail Modern Smart Keys
Modern automotive key fobs are no longer simple RF transmitters; they are advanced proximity communicators running passive keyless entry (PKE) systems, internal immobilizer handshakes, and LED alerts. Standard CR1620 batteries frequently trigger low-battery dashboard alerts prematurely or die inside freezing cars or blistering summer gloveboxes.
The CR1620PH solves this. The "PH" designation signifies our proprietary High-Capacity formulation, packing 80mAh of stable 3V power into a compact 16mm x 2.0mm frame—outperforming standard cells by up to 15-20% in operational lifespan.
Core Technical Specifications of CR1620PH Coin Cell
| Parameter | Specification | Industrial Relevance |
| Model | CR1620PH (High Capacity) | Replaces standard CR1620 with extended lifecycle |
| Chemistry | Lithium Manganese Dioxide (Li/MnO2) | Stable voltage discharge, 10-year shelf life |
| Nominal Voltage | 3.0V | Consistent output prevents remote signal dropping |
| Nominal Capacity | 80mAh | High-density formulation for PKE smart keys |
| Operating Temp | -20°C to 70°C | True automotive-grade weather resilience |
| Dimensions | 16.0mm (Diameter) × 2.0mm (Height) | Precise manufacturing tolerances for zero rattling |
Full PH Series High-Capacity Automotive Grade Coin Cells
| 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 |
Key Benefits Built for B2B Procurement
1. "PH" High-Capacity Formulation (80mAh)
While baseline industry alternatives hover around 68-70mAh, our "PH" engineering optimizes the internal cathode/anode ratio. This allows the cell to handle the high pulse currents required during remote start commands without voltage dipping, extending the overall replacement cycle for end consumers.
2. Automotive-Grade Environmental Resilience (-20°C to 70°C)
Car remotes live in harsh environments—left on icy dashboards overnight or locked in hot vehicles during mid-summer. The CR1620PH maintains a flat discharge curve under these thermal extremes, ensuring the driver is never locked out.
3. Advanced Leak-Proof Design for Premium Electronics
Our automated crimping process and localized sealing rings prevent electrolyte leakage, protecting expensive smart key printed circuit boards (PCBs) from chemical corrosion.

Primary Applications of CR1620PH 3V 80mAh Battery
Automotive Industry: Premium Smart Key Fobs, Remote Keyless Entry (RKE), Passive Entry Passive Start (PEPS) systems, and real-time tire pressure tracking systems (TPMS).
IoT & Smart Tracking: Asset tracking tags, micro-beacons, and Bluetooth® Low Energy (BLE) locators.
Medical & Wearables: Compact clinical monitoring patches and premium smart fitness hardware.
Frequently Asked Questions
What does the "PH" mean in the CR1620PH battery?
The "PH" suffix represents our specialized High-Capacity configuration. It indicates that the cell is chemically and structurally optimized to provide a dense 80mAh capacity, lasting significantly longer than standard commercial CR1620 models under constant pulse loads.
Can the CR1620PH be used as a direct replacement for a standard CR1620?
Yes. It shares the exact physical dimensions (16mm*2.0mm), but delivers higher capacity and stricter automotive-grade quality controls, making it an immediate, drop-in premium upgrade.
Secure Your Wholesale Supply Chain
As a Tier-1 manufacturer/supplier, we offer flexible custom packaging alternatives (industrial bulk trays, individual blister cards) and reliable global shipping logistics compliance for lithium coin cells.











