ER18505 — Lithium Thionyl Chloride Cell
The ER18505 is a primary Li-SOCl2 cell designed for long-term deployments where stable voltage and low self-discharge are critical. It is commonly used in metering, telemetry and security applications.
Key Specifications
- Nominal voltage: 3.6 V
- Typical capacity: ~4,500 mAh (varies with load)
- Diameter: ~18.5 mm
- Height: ~50.5 mm
- Operating temperature: -60°C to +85°C
- Shelf life: 10+ years in storage
Applications
ER18505 cells are suitable for long-life remote monitoring, utility metering, alarm systems and other devices where battery replacement is infrequent or difficult.
Features
- High energy density for compact devices
- Low self-discharge and long shelf life
- Stable voltage during long standby periods
- Robust performance across temperature extremes
