SUNJ Energy's 3.0V Lithium Manganese Dioxide (Li-MnO₂) batteries deliver safe, stable, and high-capacity performance for a wide range of industrial and consumer applications. With ultra-low self-discharge, excellent shelf life, and strong discharge capability, they are ideal for use in security systems, sensors, tracking devices, and medical equipment.

Product Features

● Stable Output Voltage – Reliable 3.0V performance across the discharge cycle

● High Energy Density – Up to 450 Wh/kg, ensuring longer runtime in compact form

● Low Self-Discharge – Less than 2% per year at room temperature

● Wide Operating Temperature – Effective from -40°C to +85°C

● Leak-Proof Construction – Fully sealed design meets IEC60086-4 safety standards

● Eco-Friendly – RoHS-compliant, free of mercury, cadmium, and lead

Design & Structure Options

Li-MnO₂ cells are available in cylindrical and coin configurations, with options for high-capacity or high-rate designs. Built with non-combustible organic electrolyte and nickel-plated steel housing, they offer enhanced safety and adaptability. SUNJ also supports customized packs with solder tabs, leads, or connectors.

Application Areas

● Smoke alarms and security sensors

● GPS trackers and smart meters

● Medical devices and memory backup systems

● Remote monitoring units

● Portable electronics and military-grade equipment

Custom Battery Solutions

As part of SUNJ Energy's full product lineup—Li-SOCl₂, Li-MnO₂, and Battery Capacitors—we offer expert battery integration services. Whether it's a standard cell or a tailored power pack, our technical team works with you to deliver the optimal solution for your application.

Certifications & Support

All SUNJ batteries are certified under ISO9001, UN38.3, CE, and RoHS. We ensure strict quality control, professional technical support, and fast global service to meet the power needs of modern electronics.

▎Note: Li-MnO₂ batteries are non-rechargeable. Store in a cool, dry environment below 30°C. Avoid direct sunlight, fire, and moisture. Do not short-circuit, disassemble, or charge.