ER14505M LI/SOCl? Spiral Cell 2100mAh 3.6V: High energy density (430Wh/kg), wide -55℃ to +85℃ operation, ideal for IoT, alarms, utility meters, automotive telematics. Long 10-year shelf life, supports continuous and pulse discharge. Trusted in military, oil drilling, and smart sensors for reliable long-term power.More