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Small cylindrical 1/2 AA lithium battery with silver metal finish and button top terminal

Tadiran

Tadiran TL-2150/S 3.6V 1/2 AA 1 Ah Lithium Battery

SKU CH-GBR0-Z8M59

A 3.6 V, 1 Ah lithium thionyl chloride cell in 1/2 AA size with button top, ten-year shelf life and operation from –60 °C to +85 °C

  • Delivers stable 3.6 V output throughout most of its service life
  • Holds 1 Ah capacity in a compact 1/2 AA form factor
  • Retains charge with less than 1% loss per year at 20°C
  • Operates reliably from -60°C to +85°C
  • Non-flammable inorganic electrolyte enhances safety in harsh environments

Tadiran TL-2150/S 3.6V 1/2 AA Lithium Battery

This 1/2 AA lithium thionyl chloride cell delivers 3.6 volts and 1 Ah capacity for long-life, low-current applications. It suits metering, security, tracking and industrial sensors that need reliable energy for years without replacement. The button-top termination fits standard holders used in these devices. Buyers who need a rechargeable cell or higher continuous current for motors or radios should look elsewhere.

Thermals noise and power draw

The chemistry operates from -60°C to +85°C with stable voltage through most of its service life. Self-discharge stays below 1% per year at 20°C, so stored spares retain charge for a decade or more. Continuous current is rated at 50 mA with pulse capability up to 100 mA. The inorganic electrolyte is non-flammable and non-pressurised at ambient temperature.

Bundled accessories and software

No accessories, cables or software are included with the cell. The data lists compatible alternatives such as Tadiran TL-4902, TL-5101, TL-5902, TL-5111, Saft LS-14250 and LS-14250c, Toshiba ER3v, and Sonnenschein SL-350/S, SL-750/S and SL-150/S 14250 for cross-reference only. The battery is not rechargeable; do not attempt to recharge it.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $4.99
Cheaper than about 93% of the 10,440 comparable items (median $10.99).

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the Tadiran TL-2150/S button-top battery and what orientation step is often missed?

Insert the battery with the button top facing the positive contact; the 14.5 mm diameter and 25.2 mm height must match the holder exactly, or the cell will not seat.

What maintenance or replacement will the TL-2150/S need after long-term deployment?

The cell is non-rechargeable; after 10+ years shelf life or when voltage drops under load, replace it with another ER14250-compatible lithium thionyl chloride unit.

What sustained-current limit appears first when the TL-2150/S powers a continuous load?

The maximum recommended continuous current is 50 mA; exceeding this reduces capacity and can trigger early voltage sag.

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