ER18505M Fat A 3.6V High Power Li-SOCl2 Battery

Key Features

- Voltage & Capacity: 3.6V nominal, 3500mAh rated, 2.0V cut-off — high-rate discharge with stable voltage

- Physical Spec: Spiral-wound Fat A-size, 18.5mm × 50.5mm, approx. 29g — fits standard Fat A battery holders

- Shelf Life: Ultra-low self-discharge (<1%/year), long storage life at room temperature

- Safety & Cert: RoHS/CE/UL/UN38.3; stainless-steel case, leak-proof and corrosion-resistant

- Chemistry: Li-SOCl2 spiral construction — low internal resistance for high continuous & pulse current

Core Advantages

- High Pulse Capability: Spiral design delivers strong continuous & pulse current on demand

- Stable Performance: Flat 3.2-3.6V discharge curve across -55°C to +85°C operating range

- Long-Lasting: Annual self-discharge <1% enables multi-year deployment with low maintenance

- Wide Compatibility: Direct drop-in for standard Fat A battery compartments

- Cost-Effective: Reliable power for wireless devices reduces field service visits

Applications

- Wireless Communication: NB-IoT, LoRa, GPRS/GSM modules with periodic transmit bursts

- IoT & Tracking: GPS/asset trackers, telemetry units, remote monitoring

- Alarm & Security: Intrusion alarms, fire alarms, sirens, panic systems

- Industrial: Valve actuators, solenoid drives, heavy-pulse instrumentation