The spiral-type 3.6V Li-SOCl₂ cell is engineered with a spirally-wound electrode structure to reduce internal resistance and improve pulse discharge capability while retaining primary lithium energy density. Ideal for devices requiring intermittent high-current pulses—such as alarms, RFID transmitters, and some industrial sensors—this spiral-type 3.6V cell balances burst power with long shelf life. Manufactured with robust sealing and certification testing, the spiral-type format provides OEMs a high-performance alternative where bobbin cells’ low-drain optimization is insufficient.