FDK ML614 Battery Guide: Specs, Soldering, Pricing

The FDK ML614 is a high-reliability manganese lithium rechargeable coin cell battery primarily used for memory and RTC backup in compact electronics. Fdk

Product Specifications & Features

Core Specs: Features a 3.0V nominal voltage and a capacity of approximately 3.4mAh (standard) or 2.5mAh (ML614R). Express-Technology Digikey Linkedin
Key Advantages: Known for high energy density, stable discharge voltage, and superior leakage resistance. Fdk Fdk
Soldering: The ML614R variant is specifically compatible with reflow soldering (Max 260°C), making it ideal for automated PCB assembly. Fdk

Market Trends & Applications

Demand Drivers: The market for these batteries is driven by the growth of IoT devices, smart meters, and industrial automation (PLCs). Fdk Fdk
Consumer Electronics: Continues to be a staple for BIOS/CMOS backup in laptops, tablets, and digital cameras. Ancoo-Battery
Future Outlook: The broader lithium-ion battery market is projected to grow from $80.0 billion in 2026 to over $306 billion by 2033, with a strong push towards miniaturized, maintenance-free power sources. Grandviewresearch

Sourcing Insights

Availability: FDK remains the primary manufacturer, but sourcing often occurs through specialized industrial distributors. Digikey Batterystore
Pricing: Bulk wholesale prices for individual cells typically range from $0.45 to $0.62 per piece, depending on volume and lead configurations (e.g., SMT tabs). Alibaba Alibaba

I have compiled a list of available ML614 battery products and verified suppliers below.