Tekcell SB-AA02 3.6V 1200mAh Lithium Battery

SB‑AA02 3.6 V 1200 mAh Lithium Battery – Tekcell / Saft 1/2AA Size

The SB‑AA02 is a 3.6 V, 1200 mAh primary lithium-thionyl chloride battery in a 1/2 AA format. It features a hermetically sealed bobbin cell, providing a stable voltage output with minimal self-discharge (less than 1% per year at 20 °C) in low to moderate continuous loads. Its compact cylindrical form of Ø14.3 × 24.6 mm supports space-saving installations.

This battery can deliver up to 80 mA pulse current, with typical continuous operation around 20 mA. It offers a shelf life exceeding 10 years and operates reliably from −55 °C to +85 °C, making it suitable for CMOS memory backup, utility meters, real-time clocks, and IoT devices.

Ideal for industrial-grade systems, the SB‑AA02 serves as a dependable backup power source in metering, security sensors, and professional electronics. Low leakage current and superior voltage stability make it favored for long-term applications.

Key Specs Voltage Rating: 3.6 V DC Capacity: 1200 mAh (nominal) Chemistry: Lithium Thionyl Chloride (Li/SOCl₂) Format: 1/2 AA Axial (Ø14.3 × 24.6 mm) Continuous Load Current: ~20 mA Pulse Current: up to 80 mA (0.1 s pulses) Shelf Life: ~10 years (≤1% self-discharge/year at 20 °C) Operating Temperature: −55 °C to +85 °C Applications: Metering IC backup, RTC, IoT sensors, industrial memory backup, alarms Brand: Tekcell (Vitzrocell OEM); also listed under Saft LS‑14250 or Dubilier Compliance: RoHS, UL recognized Weight: ~9 g