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Tadiran
Tadiran TL-4902/S 3.6V 1/2 AA 1.2Ah Lithium Battery
A 3.6 V, 1.2 Ah half-AA lithium thionyl chloride cell with a 10-year shelf life and an operating range of −60 °C to +85 °C
- High voltage stability with 3.6 V output
- Long shelf life exceeding 10 years
- Wide temperature range from -60 °C to +85 °C
- Low self-discharge under 1 % per year
- Non-flammable inorganic electrolyte for safety
Tadiran TL-4902/S 1/2 AA lithium battery
The Tadiran TL-4902/S is a 3.6 V 1/2 AA lithium thionyl chloride cell rated at 1.2 Ah. It is intended for low-current devices such as utility meters, alarm sensors, data loggers and industrial electronics that need long-term primary power.
Long shelf life and wide temperature range
A self-discharge rate below 1 % per year at 20 °C and a shelf life exceeding 10 years let the cell sit in spare stock or installed equipment without frequent replacement. The operating range from -60 °C to +85 °C and resistance to humid environments suit outdoor and harsh-industrial deployments.
Button-top termination
The button-top positive terminal fits standard 1/2 AA holders measuring up to 14.5 mm diameter and 25.2 mm height. The cell is not rechargeable; attempting to charge it can cause leakage or rupture. Verify the device requires a primary 3.6 V lithium cell before installation.
Highlights
- High voltage stability with 3.6 V output
- Long shelf life exceeding 10 years
- Wide temperature range from -60 °C to +85 °C
- Low self-discharge under 1 % per year
- Non-flammable inorganic electrolyte for safety
Specifications
No published specifications for this item yet.
Questions about this item
Does the Tadiran TL-4902/S need recharging or replacement after a set period?
This lithium thionyl chloride cell is not rechargeable; once its 1.2 Ah capacity is depleted it must be replaced, and it retains over 99% capacity after 10 years of storage at 20°C.
What continuous current limit will the TL-4902/S hit first during long-term use?
The maximum recommended continuous current is 20 mA; sustained loads above this level will reduce available capacity and voltage stability.
How much heat or self-discharge does the TL-4902/S produce when operated all day at room temperature?
Self-discharge is below 1% per year at 20°C, and the cell operates from -60°C to +85°C without venting or pressurisation, so heat build-up is minimal in typical indoor use.
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