Specifications:
Model: TL-5955
Universal Model: TL-4955, SL-761
Voltage: 3.6V
Capacity: 1650mAh
Size: 14.5mm*33.5mm (2/3AA)
Chemistry: Lithium Thionyl Chloride (Li-SOCI2)
Nature: Non-rechargeable disposable lithium battery
Maximum Recommended Continuous Current: 75 mA
Maximum Pulse Current Capability: 150 mA
Diameter(max): 14.5 mm (0.57 in)
Height (max): 33.5 mm (1.32 in)
Typical weight: 12.5g (0.441 oz)
Normal storage, storage life of up to 10 years.

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

Package included:
2x TL-5955 Battery

Warning:
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.