january 2011 primary lithium battery lm 33550 benefts ? high voltage response, stable during most of the lifetime of the application ? high drain/pulse capabilty ? minimum voltage delay after long dormant periods ? competitive capacity at high current and low temperature ? easy integration into compact systems ? low self-discharge rate (less than 2% after 1 year of storage at + 20c) key features ? steel container ? hermetic glass-to-metal sealing ? built-in safety vent ? non-corrosive electrolyte ? restricted for transport (class 9) ? made in the usa main applications ? radio communication ? measuring equipment ? marine equipment ? elts, epirbs, etc. electrical characteristics (typical values relative to cells stored for one year or less at + 30c max.) nominal capacity 13 ah (at 250 ma + 20c 2.0 v cut-off. the capacity restored by the cell varies according to current drain, temperature and cut-off). open circuit voltage (at + 20c) 3.2 v nominal voltage (under 1 ma at + 20c) 3.0 v pulse capability : typically up to 8 a (the voltage readings may vary according to the pulse characteristics, the temperature, and the cells previous history. fitting the cell with a capacitor may be recommended in severe conditions. consult saft.) maximum recommended continuous current 4 a (to maintain cell heating within safe limits) storage (recommended) + 30c (+ 86f) max (for more severe conditions, consult saft) operating temperature range - 40c /+ 70c (operation below ambient t may lead to reduced capacity and lower voltage readings) physical characteristics (with sleeve) diameter (max) 34.2 mm (1.35 in.) height (max, without tabs) 61.4 mm (2.42 in.) typical weight 120 g (4.23 oz) li metal content approx. 3.7 g standard cell comes with vent washer at the bottom and two radial 0.15 mm thick nickel tabs. other confgurations available on request. 3 v primary lithium-manganese dioxide (li-mno 2 ) high power d-size spiral cell cell size reference r20 - d for applications requesting excellent voltage response and operating life in - 40c/+ 70c environments
saft specialty battery group 313 crescent street valdese, nc 28690 - usa tel.: +1 (828) 874 4111 fax: +1 (828) 879-3981 www.saftbatteries.com doc n 31098-2-0111 edition: january 2011 data in this document are subject to change without notice and become contractual only after written confrmation by saft. for more details on primary lithium technologies please refer to primary lithium batteries selector guide doc no 31048-2. published by the communications department. photo credit: saft lm 33550 storage ? the storage area should be clean, cool, dry and ventilated ? do not abstruct venting mechanism warning ? fire, explosion and burn hazard ? do not recharge, short circuit, crush, disassemble, heat above 70c (158f), incinerate, or expose contents to water. ? do not solder directly to the cell (use tabbed cell versions instead.) 22.9 mm (0.90 in ) 4.8 mm (0.19 in) 60.0 mm 1.4 mm (2.36 in 0.05 in) 33.9 mm 0.3 m m (1.34 in 0.01 in ) 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3 3.1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 capacity (ah) voltage (v) discharge curves at 20 c and various discharge currents 5 a 2 a 1 a 500 ma 250 ma 100 ma 1 2 3 4 5 6 7 8 9 10 11 12 13 14 10 100 1000 10000 discharge current (ma) capacity (ah) capacity vs. current and temperature - 30c - 20c 21c 71c 0c 54c 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3 3.1 3.2 10 100 1000 10000 discharge current (ma) cell voltage (v) voltage plateau vs. current and temperature at mid-discharge - 40c - 30c - 20c 0c 21c 54c 71c
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