SAFT M 52 HR – 3.0V 5.2Ah C-Size Lithium-Manganese Dioxide Battery
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The SAFT M 52 HR is a 3.0V C-size primary Lithium-Manganese Dioxide (Li-MnO₂) battery designed for high-power and high-drain applications. The current M52 HR SV NG generation provides 5.2Ah capacity and 15Wh nominal energy, with reliable performance from -40°C to +72°C. Its spiral construction, hermetically sealed stainless-steel housing and integrated safety features make it suitable for tracking systems, radio communications, security equipment, M2M devices, medical equipment, metering, industrial monitoring and oil & gas applications.
SAFT M 52 HR – 3.0V 5.2Ah C-Size Lithium-Manganese Dioxide Battery
Product Specifications
| Allowable Storage Temperature | -55°C to +90°C |
|---|---|
| ATEX Certification | ATEX certified for potentially explosive atmospheres |
| Battery Chemistry | Lithium-Manganese Dioxide (Li-MnO₂) |
| Battery Type | Non-rechargeable primary lithium battery |
| Capacity Test Condition | 150 mA at +20°C to 2.0 V cut-off |
| Cell Configuration | 1S1P |
| Cell Construction | Spiral |
| Cell Size | D |
| Construction | Stainless steel container |
| Country of Manufacture | Germany |
| Electrolyte | Non-corrosive electrolyte |
| Ex Marking | II 2G |
| IECEx Certification | IECEx certified |
| Internal Pressure | Non-pressurized at room temperature |
| Key Advantage | High drain capability; high pulse capability; stable voltage response; high energy density; low self-discharge; superior corrosion resistance; low magnetic signature |
| Lithium Metal Content | Approximately 3.5 g |
| Manufacturer | SAFT |
| Maximum Height | 61.5 mm |
| Maximum Outside Diameter | 34.2 mm |
| Maximum Recommended Continuous Current | 3.5 A |
| Model | M 20 EX SV |
| Nominal Capacity | 12.4 Ah |
| Nominal Energy | 35 Wh |
| Nominal Voltage | 3.0 V |
| Open Circuit Voltage | 3.2 V |
| Operating Temperature | -40°C to +72°C |
| Primary Applications | Smart gas meters; gas and oil tank level monitoring; leak detectors; portable gas detectors; petrochemical facilities; mining applications |
| Product Name | SAFT M 20 EX SV Lithium Battery |
| Product Series | SAFT M EX SV |
| Product Type | Primary Lithium-Manganese Dioxide (Li-MnO₂) Battery |
| Pulse Capability | Up to 8 A |
| Recommended Storage Temperature | +30°C maximum |
| Safety Feature | Integrated safety vent |
| Safety Standards | IEC 60079-0; IEC 60079-11; UL 1642; IEC 60086-4 |
| Sealing | Hermetic glass-to-metal seal |
| Self Discharge | Less than 1% after 1 year at 20°C |
| Temperature Class | T4 |
| Terminal Configuration | Standard terminals |
| Transport Classification | UN 3090 and UN 3091; Class 9 |
| Typical Weight | 115 g |
SAFT M 52 HR – 3.0V 5.2Ah C-Size Lithium-Manganese Dioxide Battery
The SAFT M 52 HR is a high-power, primary lithium-manganese dioxide (Li-MnO₂) C-size battery designed for applications requiring reliable power, high discharge capability and stable voltage performance. The latest M52 HR SV NG generation provides a nominal voltage of 3.0V and a nominal capacity of 5.2Ah, rated at 200mA, +23°C and a 2.0V cut-off voltage.
Its spiral-wound electrode construction is designed for high-power applications, while the hermetically sealed stainless-steel container, integrated safety vent and shut-down separator provide a robust construction for demanding industrial environments.
Key Specifications
- Model: SAFT M 52 HR
- Technology: Primary Lithium-Manganese Dioxide (Li-MnO₂)
- Nominal voltage: 3.0V
- Nominal capacity: 5.2Ah / 5,200mAh
- Nominal energy: 15Wh
- Cell size: C-size
- Maximum recommended continuous discharge: 2.0A
- Open-circuit voltage: 3.2–3.3V
- Operating temperature: -40°C to +72°C
- Maximum diameter: 26.2mm
- Maximum height, tabbed version: 51.5mm
- Typical weight: 60g
- Storage range: -55°C to +85°C
- Low-temperature capacity: approximately 4.4Ah at -20°C and 2.8Ah at -40°C under the specified test conditions.
High-Power Performance
The M 52 HR is designed for equipment that requires more than a simple low-drain primary battery. Its spiral construction provides high-power performance, while the chemistry offers stable voltage and good performance at low temperatures. SAFT’s earlier M 52 HR documentation also specifies pulse capability of up to 5A, depending on pulse characteristics, temperature and application conditions.
Reliable Industrial Construction
The battery uses a hermetically sealed stainless-steel container and incorporates a safety vent and shut-down separator. Its low self-discharge characteristics make it suitable for equipment requiring long storage periods and extended service life.
Typical Applications
The SAFT M 52 HR is suitable for applications such as:
- Radio communication equipment
- Tracking systems
- M2M communication
- Security and alarm systems
- Utility and industrial metering
- Emergency location equipment
- ELTs and EPIRBs
- Medical equipment
- Industrial monitoring equipment
- Professional electronic equipment
- Oil & gas monitoring equipment
The M 52 HR has been documented for radio communications, alarms and security, tracking, M2M communication, medical equipment and oil & gas applications.
Important: The M 52 HR is a primary, non-rechargeable lithium battery. Actual current capability and service life depend on discharge current, pulse profile, temperature, cut-off voltage and the equipment design.