Saft M 52 HR Lithium Battery C-size 4.8 Ah 3.0 V Li-MnO2 Cylindrical Cell

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Lithium Battery Information Sheet

Saft M 52 HR Spec Sheet

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Product Overview

The Saft M 52 HR is a compact, high‑rate Lithium Manganese Dioxide (Li‑MnO₂) primary cell engineered for applications that demand strong continuous currents, reliable pulse performance, and long‑term stability in harsh industrial environments. With its 3.0V nominal output, rugged stainless‑steel construction, and excellent safety profile, the M 52 HR is widely used in industrial IoT, metering, defense, medical, and tracking systems where dependable high‑rate power is essential.

High‑Rate Li‑MnO₂ Chemistry for Demanding Loads

Unlike standard Li‑MnO₂ cells optimized for low‑drain applications, the M 52 HR is specifically designed for high‑rate discharge. This chemistry and construction allow the cell to deliver:

• Higher continuous current than standard LM‑series cells

• Strong pulse capability without external capacitors

• Stable 3.0V output under load

• Excellent intrinsic safety with a non‑pressurized, non‑flammable design

• Reliable performance at moderate to high discharge rates

• Wide operating temperature range, typically −40°C to +70°C

• Low self‑discharge, enabling multi‑year deployments

This makes the M 52 HR ideal for devices that require both long‑term energy and the ability to support higher‑drain electronics.

Key Technical Advantages

The Saft M 52 HR is engineered to deliver consistent performance in compact, high‑demand devices:

• High‑rate discharge capability for motors, RF modules, and active sensors

• Compact cylindrical format for space‑constrained designs

• Hermetically sealed stainless‑steel construction for leak‑proof durability

• Long shelf life with minimal voltage drop during storage

• High energy density relative to its size

• Strong mechanical robustness for vibration, shock, and thermal cycling

These characteristics allow the M 52 HR to support both continuous high‑drain operation and periodic high‑pulse events without compromising longevity.

Common Applications for the Saft M 52 HR

The M 52 HR is widely used across industries where high‑rate discharge, compact size, and long‑term reliability are essential:

• Industrial IoT sensors and wireless modules

• Utility metering (AMR/AMI) requiring higher‑drain communication bursts

• Defense and aerospace electronics

• Medical and diagnostic devices

• Asset tracking and geolocation systems

• Security and intrusion detection equipment

• Automotive telematics and embedded systems

• Environmental and agricultural monitoring networks

These applications benefit from the M 52 HR’s ability to deliver stable voltage and dependable high‑rate performance over long operational lifetimes.

Why Engineers and OEMs Choose the M 52 HR

• High‑rate discharge capability for demanding electronics

• Stable 3.0V output for sensitive circuits

• Low self‑discharge for long‑term storage and deployment

• Wide temperature tolerance for harsh industrial environments

• Proven reliability in mission‑critical systems

• Maintenance‑free operation for sealed or remote devices

The M 52 HR is often selected when designers need a compact, high‑rate, pulse‑capable Li‑MnO₂ power source that can operate reliably for years without maintenance.

Product Description

Saft M 52 HR is a Primary Lithium-Manganese Dioxide (Li-MnO2) cylindrical cell and is ideally suited for radio communications, alarm and security systems as well as oil and gas applications.

Product Details

M 20 HR is a 3.0 V Primary Lithium-Manganese Dioxide (Li-MnO2) Cylindrical Cell that has a high drain/ high pulse capability, high voltage response, ability to withstand extreme temperature, spiral construction, hermetic glass-to-metal-sealing, and a low self discharge.

Product Specifications