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Tadiran XOL C 8500 mAh 3.6V Lithium Thionyl Chloride (Li-SOCI2) Battery (TL4920)

Item #: TADIRAN-TL-4920
Brand: Tadiran
Item #: TADIRAN-TL-4920
Brand: Tadiran

Tadiran XOL C 8.5Ah 3.6V Lithium (Li-SOCI2) Batteries (TL4920) - Tray of 30

Forget About It

Would you like to install a battery that you won't have to change for a few decades? Then think Tadiran, who has a reputation for producing batteries that defy expectations. Here's an example: 25 years ago, these cells were selected to fuel an entire line of house-side electric meters, numbering over 3 million units. Today, utility companies are reporting that those meters are still running perfectly fine on their original Tadiran batteries. No recharges, no upgrades, no replacements. When you need a battery for your professional equipment, don't settle for a consumer cell.

Tadiran's XOL (eXtended Operating Life) Series is a long-life modification of their original TL cell, intended for extreme long-term operation and memory backup. We're talking decades. Lithium thionyl chloride cells feature the highest energy density and open circuit voltage (3.6V) of any battery chemistry. They're also known for their low self-discharge (1% per year). The XOL line has roughly 33% higher capacity than Tadiran's standard TL line.

You'll find Tadiran batteries powering a variety of lifesaving, infrastructure, and mission critical equipment, such as:

  • Utility: AMR/AMI meters
  • Medical equipment:
    • Automatic external defibrillators
    • Bone saws
    • Infusion pumps
    • Bone growth stimulators
    • Handheld medical devices
  • Aerospace devices and backups
  • Military:
    • Unmanned Aerial Vehicles (UAVs)
    • Rocket and missile guidance
    • Smart ammunition
    • Torpedoes and mines
    • Sonobuoys
    • Ground sensors
    • Artillery fuses
    • Active decoy systems
    • Trajectory correction add-on kits
    • Bomb proximity fuses
    • Dispersed munitions sensor
    • Marine/oceanographic
  • Remote monitoring:
    • System Control and Data Acquisition (SCADA)
    • Data loggers
    • Measurement while drilling
    • GPS emergency locators
    • Animal tracking devices
    • GPS asset/container tracking
    • GPS vehicle tracking
    • Oceanographic measurement
    • Environmental Measurement
    • Sonobuoys
  • RFID: Electronic toll tags
  • Extreme temperature:
    • Automotive (tire pressure monitoring, engine sensors, windshield-mounted devices)
    • Medical (autoclave and sterilization)
    • Industrial (machinery-mounted sensors, utility metering, remote sensors)


  • Nominal capacity @ 3 mA, to 2 V: 8.5 Ah
  • Rated voltage: 3.6 V
  • Maximum recommended continuous current: 75 mA
  • Maximum 1 sec. pulse capability: 200 mA
  • Weight: 49.5 g (1.746 oz)
  • Volume: 26 cc
  • Operating temperature range: -55°C to +85°C
  • Terminal type: Standard

Please note that these primary cells are NOT rechargable. Under no circumstances should they be placed in a charger. When fully discharged, please dispose of according to your local regulations.

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