Primary lithium batteries G 26 3.0 V Primary lithium-sulfur dioxide (Li-SO2) High drain capability D - size spiral cell Benefits • High and stable discharge voltage • High pulse capability • Performance not affected by cell orientation • Long storage possible before use • Ability to withstand extreme temperature Key features • Low self-discharge rate (less than 3% after 1 year of storage at + 20ºC) • Hermetic glass-to-metal sealing • Built-in safety vent (at the negative end of the cell) • Restricted for transport (class 9) • Meets shock, vibration and other environmental requirements of military specifications • Made in UK Main applications • Radiocommunications and other • • • • • military applications Beacons and Emergency Location Transmitters Sonobuoys Life jacket lights Professional electronics Missiles October 2005 Cell size reference R20 - D Electrical characteristics (typical values relative to cells stored for one year or less at + 30 °C max.) Nominal capacity (at 0.25 A + 20°C 2.0 V cut off. The capacity restored by the cell varies according to current drain, temperature and cut off). 7.75 Ah Open circuit voltage (at + 20°C) 3.0 V Nominal voltage 2.8 V (at 0.5 A + 20°C) Maximum recommended continuous current (to avoid over-heating) 2.5 A Pulse capability: Typically up to 5 A. (The voltage readings may vary according to the pulse characteristics, the temperature and the cell’s previous history. Fitting the cell with a capacitor may be recommended in severe conditions. Consult Saft) Storage (recommended) (possible without leakage) + 30°C (+ 86°F) max + 85°C (+ 185°F) max Operating temperature range (Operation above ambient T may lead to reduced capacity and lower voltage readings at the beginning of pulses. Consult Saft) - 60°C/+ 70°C (- 76°F/+158°F) Physical characteristics Diameter (max) 34.5 mm (1.36 in) Height (max) 59.8 mm (2.35 in) Typical weight 85 g (3 oz) Li metal content Standard cell comes with protruding positive end-cap. Finish with tabs available on request. 2.4 g Cell voltage (V) G 26 59.3 ± 0.5 max Temperature (°C) Ø 34.2 ± 0.3 max Cell voltage (V) Voltage at mid-discharge versus Current and Temperature (2.0 V cut-off) Overall dimensions in mm Time (hours) Typical discharge profiles at +20ºC Handling precautions • Cell is pressurised. • Do not obstruct the safety vent mechanism. • Do not short circuit or charge. Capacity (Ah) • Do not puncture, open or mutilate. • Do not expose to fire or temperatures above + 70°C (+158°F). Temperature (°C) Capacity versus Current and Temperature (continuous discharges 2.0 V cut-off) Saft Specialty Battery Group 12, rue Sadi Carnot 93170 Bagnolet - France Tel +33 (0)1 49 93 19 18 Fax +33 (0)1 49 93 19 69 River Drive, South Shields Tyne and Wear, NE33 2TR - UK Tel +44 (0)191 456 1451 Fax +44 (0)191 456 6383 www.saftbatteries.com Doc. N° 31058-2-1005 Information in this document is subject to change without notice and becomes contractual only after written confirmation by Saft. For more details on primary lithium technologies please refer to Primary Lithium Batteries Selector Guide Doc N° 31048-2. Published by the Communications Department. Photo credit: Saft. Société anonyme au capital de 31 944 000 RCS Bobigny B 383 703 873 Produced by Arthur Associates.