SECONDARY BATTERY
ML Rechargeable Coin Cell Batteries
Rechargeable 3V Coin Cells for OEM & Industrial Applications.
- ML1220
- ML1225
- ML2016
- ML2020
- ML2032
- ML2430
Premium Quality
Engineered with advanced battery technology and strict quality standards for reliable, long-lasting performance
Battery Support
Expert engineering and technical support from concept and prototyping to manufacturing and integration
Custom Solutions
Capacity, size, and labeling fully customizable. OEM branding and custom spec engineering available.
Global Battery Manufacturing
Worldwide battery manufacturing capabilities with facilities and support networks across the USA and Asia
About This Product
PHD Energy supplies ML rechargeable lithium coin cell batteries for OEMs, electronics manufacturers, and product developers requiring compact, reliable rechargeable backup power.
Our ML battery series ranges from 18 mAh to 100 mAh, with six compact form factors for applications including RTC and memory backup, industrial electronics, medical devices, communication equipment, IoT systems, embedded electronics, and energy-harvesting devices.
With engineering support, multiple cell sizes, and scalable manufacturing, PHD Energy can support your project from battery selection and prototype evaluation through volume production and long-term supply.
- 3.0V Nominal
- 18–100 mAh
- −20°C to +70°C
Find the Right ML Coin Cell for Your Design
PHD Energy's ML series provides multiple capacity and size options, allowing engineers to balance available PCB space, backup runtime, load requirements, cycle life, and product design constraints.
- Nominal Voltage: 3.0V
- Operating Temperature: −20°C to +70°C
| Model | Capacity (mAh) | Rated Current (mA) | Cycle Life (10% DOD/20% DOD) | Dimensions (mm) | Weight (g) |
|---|---|---|---|---|---|
| ML1220 | 18 | 0.1 | 300/120 | Φ12.5×2.0 | 0.8 |
| ML1225 | 25 | 0.1 | 300/120 | Φ12.5×2.5 | 0.9 |
| ML2016 | 30 | 0.2 | 400/180 | Φ20.0×1.6 | 1.8 |
| ML2020 | 40 | 0.2 | 400/180 | Φ20.0×2.0 | 2.2 |
| ML2032 | 65 | 0.2 | 600/300 | Φ20.0×3.2 | 3.1 |
| ML2430 | 100 | 0.3 | 1000/500 | Φ24.5×3.0 | 4.2 |
More Than a Coin Cell Supplier
The right ML battery isn't determined by capacity alone.
PHD Energy works with engineering and procurement teams to evaluate the electrical, mechanical, environmental, and production requirements surrounding the battery.
Battery Selection
Choose between ML1220, ML1225, ML2016, ML2020, ML2032, and ML2430 based on available space, capacity, load, backup duration, and expected cycling.
Design-In Support
Our team can review battery voltage, rated current, backup requirements, operating temperature, charging conditions, and physical constraints during product development.
Integration Options
Discuss terminal, tab, lead, connector, PCB mounting, and other application-specific integration requirements with our battery team.
Samples & Prototyping
Evaluate candidate ML cells before moving your product into production.
OEM Manufacturing
Support your program as requirements progress from development and qualification into recurring production volumes.
Long-Term Supply
Work with a battery manufacturer capable of supporting the battery beyond initial product launch.
Where ML cells fit
They suit compact electronics with intermittent backup demand and an available means of recharging.
Real-time clocks
Maintain time and date information when the main supply is off.
Solar watches
Store harvested energy in a compact rechargeable cell.
Energy harvesting
Pair with an appropriately regulated solar or other harvesting source for small loads.
Medical Devices
Backup power for clocks, memory, settings, and other low-power circuits in medical and diagnostic electronics.
IoT & Smart Devices
Compact backup power for sensors, monitoring equipment, gateways, and embedded electronics.
Need a Specific Configuration?
Let's Build It Around Your Product.
If your product requires more than a standard ML coin cell, talk to PHD Energy about your integration and production requirements.
Send Us Your Requirements
Frequently Asked Questions
What ML rechargeable coin cell batteries does PHD Energy offer?
PHD Energy's ML rechargeable battery series currently includes ML1220, ML1225, ML2016, ML2020, ML2032, and ML2430 models, with capacities ranging from 18 mAh to 100 mAh.
What voltage are PHD Energy ML batteries?
PHD Energy's ML rechargeable coin cells have a 3.0V nominal voltage.
What is PHD Energy's highest-capacity ML coin cell?
The ML2430 is currently the highest-capacity model in the series at 100 mAh, with a 0.3 mA rated current and dimensions of Ø24.5 × 3.0 mm.
Does PHD Energy offer an ML2032 rechargeable battery?
Yes. PHD Energy's ML2032 rechargeable coin cell provides 3.0V nominal voltage, 65 mAh capacity, 0.2 mA rated current, and measures Ø20.0 × 3.2 mm.
What temperature range do PHD Energy ML batteries support?
The ML battery series is specified for an operating temperature range of −20°C to +70°C.
Can PHD Energy help us select an ML battery for an OEM product?
Yes. PHD Energy can work with OEM and engineering teams to evaluate capacity, load, backup time, dimensions, operating environment, integration requirements, and production needs.