The EVE ER18505 (A) is a high-performance 3.6V lithium-thionyl chloride (Li-SOCl₂) battery designed in the A-size cylindrical form factor. With high energy density, stable operating voltage, and ultra-low self-discharge, it is ideal for long-life applications such as utility metering, industrial electronics, security systems, medical devices, and IoT solutions. This non-rechargeable battery is optimized for long-duration, low-drain or pulse applications, offering dependable performance for up to 10–15 years.
| Specification | Details |
|---|---|
| Brand | EVE |
| Model | ER18505 (A) |
| Battery Type | Lithium Thionyl Chloride (Li-SOCl₂) |
| Form Factor | A-size Cylindrical Cell |
| Nominal Voltage | 3.6 V |
| Nominal Capacity | 4000 mAh (typical) |
| Max Continuous Current | 100 mA |
| Max Pulse Current | Up to 200 mA |
| Operating Temperature | –55°C to +85°C |
| Shelf Life | Up to 10–15 years |
| Self-Discharge Rate | ≤1% per year at 25°C |
| Dimensions | Ø18.5 mm × 50.5 mm |
| Weight | Approx. 33–35 grams |
| Terminals | Flat top (standard), pins or leads (optional) |
| Applications | Utility meters, GPS tracking, security systems, data loggers, medical equipment, IoT devices |
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