ER18505 3.6v 4000mAh LI-SOCL2 Battery

High Energy Density Li-SOCl2 Chemistry: Utilizes Lithium Thionyl Chloride (Li-SOCl_2) chemistry to deliver maximum energy density in a compact cylindrical form factor.

Massive 4000mAh Capacity: Offers a high 4000mAh capacity rating designed for ultra-long lifespan applications and low-power drain devices.

Stable 3.6V Nominal Output: Maintains an extremely stable continuous discharge voltage of 3.6V throughout nearly its entire operational life.

Low Self-Discharge Rate: Features an exceptionally low self-discharge rate (<1% per year at room temperature), enabling a shelf and operational service life of up to 10 years.

Wide Operating Temperature Range: Operates reliably across extreme temperature conditions, ranging from -55°C to +85°C.

Standard ER18505 Form Factor: A-size cylindrical cell (18mm diameter by 50.5mm length) pre-fitted with wire leads and connector for easy integration into industrial systems.

Housing Style: Stainless steel hermetically sealed cylindrical shell with protective insulating jacket and pre-wired connector leads.

Terminal Style: Wire leads with plug-in connector interface.

Technical Specifications:

Model: ER18505 (A Size).

Chemistry: Lithium Thionyl Chloride (Li-SOCl_2).

Nominal Voltage: 3.6V.

Capacity: 4000mAh.

Rechargeability: Non-rechargeable (Primary Cell).

Color: Blue sleeve with red/black lead wires.

Usage Advice: Do not attempt to recharge. This is a primary lithium cell; attempting to charge it can cause venting, fire, or explosion.

Maintenance: Store in a cool, dry place below 30°C. Avoid short-circuiting terminals, puncturing, or exposing to temperatures above +85°C.

Essential Industrial & Utility Cell: Position as a long-life primary power source for smart water/gas meters, wireless IoT sensors, GPS tracking units, security alarm systems, and memory backup power.

Highlight Extreme Shelf Life & Stability: Emphasize the ultra-low self-discharge and 10-year reliability over standard alkaline or secondary lithium-ion cells in maintenance-free deployments.

Recommended Cross-Sell Add-ons: Pair with 3200mAh Battery For Harman/Kardon PR-633496 Onyx studio 3, Lithium Ion Battery - 3.7v 10000mAh, Lithium Ion Battery Pack - 3.7V 4400mAh, and ESD antistatic mat 50x40CM PCB Welding Mat.

Featured Collection Star: Display prominently on your 1 Cell Li-Ion Battery Pack (3.6V~4.2V) collection page under long-life primary industrial cells.