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| Subject | Features | Remark |
|---|---|---|
| Specification | ER18505H | Carbon-clad, stainless steel shell, fully sealed structure |
| Nominal voltage | 3.6V | |
| Nominal capacity | 4000mAh | |
| Max. continuous discharge current | 100mA | To get 50% of the nominal capacity at 25°C, 2.0V cut-off. Higher currents possible, consult us. |
| Max. available pulse current | 150mA | |
| Operating temperature | -55°C ~ +85°C | |
| Dimension | Φ18.5 x 50.5 mm | |
| Standard weight | About 30g | |
| Annual self-discharge rate | ≤1% | Stored at 25±3°C, RH 65±10% |
| Storage | Recommended temperature ≤30°C, relative humidity ≤60% |
The ER18505H is a primary (non-rechargeable) Lithium Thionyl Chloride (Li-SOCl2) battery. It operates with a nominal voltage of 3.6V and offers high energy density.
Yes, this battery is designed with a wide operating temperature range from -55°C to +85°C, making it suitable for both extreme cold and hot environments.
The ER18505H features a very low self-discharge rate of less than or equal to 1% per year when stored at the recommended conditions (temperature ≤30°C and relative humidity ≤60%), ensuring a long shelf life of up to 10 years.
It is widely used in intelligent utility meters (water, electricity, gas, heat meters), tracking systems, security alarm sensors, professional industrial machinery, and IoT devices requiring long battery life.
No, this is a primary Li-SOCl2 battery and is strictly non-rechargeable. Charging it may cause damage, leakage, or potential hazards.
Do not short circuit, crush, incinerate, disassemble, heat above 100°C, or expose the battery content to water. Please consult the safety data sheet before integration.
