Tadiran TL-5101/S 3.6V 1/2 AA 950mAh Lithium Battery (ER14250)

Qty. Price
1 - 8 $6.99 each
9 - 17 $6.79 each
18 - 35 $6.59 each
36 - 71 $6.49 each
72 - 143 $6.39 each
144 - 286 $6.19 each
287 + call for pricing

Product Specifications


  • Voltage: 3.6 Volt
  • Capacity: 950 mAh
  • Size: 1/2 AA
  • Chemistry: Lithium Thionyl Chloride (Li-SOCI2)
  • Brand: Tadiran
  • Termination Style: Button Top
  • Shelf Life: 10+ Years
  • Diameter (max): 14.5 mm (0.57 in)
  • Height (max): 25.2 mm (0.99 in)
  • Typical Weight: 9.2g (0.324 oz)


  • High operating voltage, stable during most of the application lifetime
  • Some of the highest nominal capacities on the market today
  • Excellent reliability over extended operating life
  • Operating Temperature Range: -60°C/+85°C (-76°F/+185°F)
  • Low self-discharge rate (less than 1% after 1 year of storage at + 20°C)
  • Excellent resistance to humid environments
  • Low magnetic signature
  • Non-flammable (and non-pressurized at ambient temperature) inorganic (but corrosive) electrolyte
  • Less than 1% capacity loss during storage at ambient temperature before use

Compatible With

  • Tadiran TL-4902
  • Tadiran TL-2150
  • Tadiran TL-5902
  • Tadiran TL-5111
  • Saft LS-14250
  • Saft LS-14250c
  • Toshiba ER3v
  • Sonnenschein SL-350/S
  • Sonnenschein SL-750/S
  • Sonnenschein SL-150/S
  • 14250


  • This battery is not rechargeable. Do not try to recharge.
  • The storage area should be clean, cool (not exceeding +30 Deg C ), dry and ventilated.
  • Don't use different models of battery in series.
  • Soldering the tab should be finished in few seconds.
  • Do not use if the battery casing was mangled.

Tadiran TL-5101/S Battery

If you're looking for a reliable and long-lasting battery, you might want to consider the Tadiran TL-5101/S. This battery is a 3.6V lithium thionyl chloride battery that comes with a button top termination style. It has a capacity of 950mAh, which is one of the highest nominal capacities on the market today for this size of battery.

The TL-5101/S is a 1/2 AA size battery, with a diameter of 14.5mm (0.57 in) and a height of 25.2mm (0.99 in). It weighs 9.2g (0.324 oz), making it lightweight and easy to carry around.

One of the key advantages of the TL-5101/S is its high operating voltage, which remains stable during most of the application lifetime. This makes it an excellent choice for devices that require a consistent and reliable power source. Additionally, it has an operating temperature range of -60°C to +85°C (-76°F to +185°F), which means it can function in a wide range of environments and conditions.

The TL-5101/S also has a low self-discharge rate, which means it can retain its charge for a long time even when not in use. It has a shelf life of 10+ years and less than 1% capacity loss during storage at ambient temperature before use. This makes it an ideal choice for devices that are not frequently used, such as remote controls, alarms, and other similar applications.

In terms of durability, the TL-5101/S has excellent resistance to humid environments and is non-flammable (and non-pressurized at ambient temperature) due to its inorganic (but corrosive) electrolyte. It also has a low magnetic signature, which makes it suitable for use in sensitive electronic devices.

In addition to the TL-5101/S, Tadiran also offers a range of other high-quality lithium thionyl chloride batteries, including the TL-4902, TL-2150, TL-5902, and TL-5111. Saft also offers comparable batteries, such as the LS-14250 and LS-14250c.

Overall, the Tadiran TL-5101/S is an excellent choice for anyone looking for a reliable and long-lasting battery. Its high operating voltage, stable performance, and low self-discharge rate make it an ideal choice for a wide range of applications, from remote controls to industrial sensors and beyond.