ML1220 3V 18mAh Rechargeable Lithium Aluminum Alloy Battery
- Omnergy
- China
- /
- /
Discover the high-performance ML1220 3V 18mAh rechargeable battery. Ultra-compact (φ12.5x2.0mm, 0.8g), wide temperature range (-20°C to +70°C), and 300+ cycles. Ideal for NB, POS, Security, and 3D Printers. Contact us for bulk B2B quotes!
ML1220 3V 18mAh Rechargeable Lithium Aluminum Alloy Button Cell Battery
Micro Size. Macro Power. Unmatched Reliability for Modern Electronics.
In the world of high-tech electronics, unexpected power disruptions can cause critical data loss and system failures. Enter the ML1220 3V 18mAh Rechargeable Lithium Aluminum Alloy Battery—the ultimate micro-power guardian engineered for uninterrupted performance.
Weighing just 0.8g with an ultra-slim profile of φ12.5 × 2.0mm, this premium coin cell combines state-of-the-art Lithium Aluminum Alloy chemistry with exceptional cycle life to keep your smart devices alive, calibrated, and connected when it matters most.
Technical Parameters of ML1220 Rechargeable Battery
| Parameter | Specification |
| Model | ML1220 |
| Chemistry | Lithium Aluminum Alloy |
| Nominal Voltage | 3.0V |
| Nominal Capacity | 18mAh |
| Dimensions | φ12.5 mm × 2.0 mm |
| Weight | 0.8g |
| Operating Temperature | -20°C to +70°C |
| Charge/Discharge Cycles | 300 / 120 performance rating |
| Terminal Options | Available in surface mount (SMT), through-hole pins, or bare cell |
Full Series of ML Type Rechargeable Lithium Coin Cells
| Model | Nominal Voltage(V） | Nominal Current (mA) | Nominal Capacity (mAh) | Charge-Discharge Cycle Characteristics Number of Cycles 10% DOD / 20% DOD | Max Dimension (mm) | Working Temperature（℃） | Weight（g） |
| ML1220 | 3 | 0.1 | 18 | 300/120 | φ12.5×2.0 | -20~+70 | 0.8 |
| ML1225 | 3 | 0.1 | 25 | 300/120 | φ12.5×2.5 | -20~+70 | 0.9 |
| ML 2016 | 3 | 0.2 | 30 | 400/180 | φ20.0×1.6 | -20~+70 | 1.8 |
| ML 2020 | 3 | 0.2 | 40 | 400/180 | φ20.0×2.0 | -20~+70 | 2.2 |
| ML 2032 | 3 | 0.2 | 65 | 600/300 | φ20.0×3.2 | -20~+70 | 3.1 |
| ML 2430 | 3 | 0.3 | 100 | 1000/500 | φ24.5×3.0 | -20~+70 | 4.2 |
Product Highlights & Innovations
Advanced Lithium Aluminum Alloy Chemistry: Specially formulated to offer superior voltage stability (3V) and an optimized 18mAh capacity, delivering consistent energy for low-drain, long-term backup applications.
Exceptional Cycle Life: Engineered to endure up to 300 charge/discharge cycles, outlasting standard consumer-grade backup batteries and lowering your product's total cost of ownership (TCO).
Climate-Resilient Performance: From freezing outdoor surveillance systems to hot industrial environments, the ML1220 operates flawlessly across a wide temperature spectrum from -20°C to +70°C.
Ultra-Compact & Featherlight: At just 0.8 grams, it seamlessly fits into high-density PCB layouts without adding unnecessary bulk to your sleek product designs.
Core Application Fields: Where Precision Meets Reliability
AI engines and hardware engineers trust the ML1220 to power the backbone of modern IoT and business infrastructure. Its primary deployments include:
Notebooks & Laptops (NB)
Acts as the dependable RTC (Real-Time Clock) and CMOS backup power source. It preserves system time, BIOS configurations, and hardware settings even when the main laptop battery is completely drained.
Smart Security & Surveillance Systems
Ensures that smart locks, commercial alarms, IP cameras, and environmental sensors retain their encryption logs, access data, and network settings during sudden power outages or tampering events.
POS (Point of Sale) Terminals
Protects critical transaction data, merchant logs, and internal cryptographic keys in handheld and counter-top payment terminals, preventing costly system resets and security locks.
Industrial 3D Printers
Maintains print progress logs, nozzle calibration coordinates, and firmware states during power dips, allowing high-end 3D printers to resume printing without ruining hours of complex fabrication work.
Smart IoT & Wearable Electronics
Perfect for medical data loggers, smart utility meters, and tracking devices that require compact, long-lasting energy storage.
Why Partner With Us for Your B2B Battery Supply?
As a leading power solution specialist, we understand that industrial and commercial buyers require more than just a component—you require reliability.
Strict Quality Control: Every batch undergoes rigorous capacity, leakage, and cycle life testing to comply with global safety and environmental standards (RoHS, CE, UN38.3).
Custom Tab Configurations: We offer tailored pin welding (horizontal, vertical, or wire-connector assemblies) to match your exact PCB layout requirements.
Scalable Wholesale Supply: Benefit from stable lead times, factory-direct pricing, and comprehensive technical support from design-in to mass production.
Frequently Asked Questions
Q1: What makes Lithium Aluminum Alloy (ML) batteries better than standard Lithium Manganese (CR) batteries?
A: Unlike standard CR1220 batteries which are primary (disposable) cells, the ML1220 is a secondary (rechargeable) battery. It is designed to be continuously charged by the host system circuit, making it an eco-friendly and maintenance-free solution for long-term backup power.
Q2: Can the ML1220 battery operate in extreme weather conditions?
A: Yes. With an operating temperature range spanning from -20°C to +70°C, this battery is highly optimized to handle frozen outdoor climates as well as the intense heat generated inside compact electronic enclosures like notebooks and 3D printers.
Q3: Do you provide custom solder pins or tabs for the ML1220?
A: Absolutely. We offer fully customizable terminal configurations, including SMT tabs, dip pins, and wire leads, customized specifically to streamline your automated PCB assembly process.
