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Cylindrical lithium thionyl chloride cell, silver metal finish, 16.5 mm diameter by 33.4 mm height

SAFT

SAFT LS17330 (ER17730) 3.6V 2/3 A lithium battery 2100 mAh

SKU CH-H8AQ-7SW4M

3.6 V lithium thionyl chloride cell delivers 2100 mAh in a 2/3 A form factor with hermetic glass-to-metal sealing and a -60 °C to +85 °C operating range

  • 2100 mAh capacity powers devices for extended periods
  • 6 V stable voltage maintains performance across the discharge cycle
  • Operates reliably from -60 °C to +85 °C for extreme environments
  • Less than 1 % self-discharge per year ensures long shelf life
  • Hermetic glass-to-metal seal with non-flammable electrolyte enhances safety

SAFT LS17330 3.6V Lithium Thionyl Chloride Cell

The SAFT LS17330 is a 3.6 Volt 2/3 A primary lithium battery built with thionyl chloride chemistry. It delivers a nominal capacity of 2100 mAh in a hermetically sealed bobbin construction. This cell suits engineers and technicians specifying long-life power for remote sensors, utility meters, or industrial data loggers.

Replaces older ½ AA primary cells

Upgrading makes sense when an application demands stable voltage over years rather than months. The low self-discharge rate preserves capacity during extended storage before deployment. The non-flammable electrolyte and UL recognition support designs that must meet strict safety standards.

Handles continuous low-current loads up to 120 mA

The cell operates reliably from -60°C to +85°C, maintaining performance in harsh outdoor or industrial environments. Capacity drops when sustained current exceeds the rated pulse capability. It is not suited for high-drain devices requiring continuous current above the specified limit.

How it compares

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

Price $6.99
Cheaper than about 90% of the 10,440 comparable items (median $10.99).

Specifications

No published specifications for this item yet.

Questions about this item

Will the 16.5 mm diameter and 33.4 mm height fit my ½ AA battery compartment?

The cell measures 16.5 mm diameter by 33.4 mm height, matching the standard ½ AA form factor used in many industrial and medical devices.

Do I need to solder tabs onto the LS17330 or can I use a battery holder?

The battery has bare concentric electrodes; use a proper ½ AA holder with spring contacts — soldering directly to the can risks damaging the hermetic glass-to-metal seal.

How long before the 2100 mAh capacity drops enough to need replacement?

Self-discharge is under 1 % per year at 20 °C, giving up to 25 years shelf life; in active use the cell delivers stable 3.6 V until the 2.1 Ah capacity is exhausted.

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