8 v rechargeable lithium-ion (li-ion) battery rechargeable li-ion battery system bb 2847 electrical charachteristics full charge voltage 8.3 v operating voltage 7.2 v cut-off voltage 5 v maximum constant current 7 a typical capacity at 10 w to 5 v cut-off 7.4 ah / 53 wh recommended charge constant current at c/2 rate(3.7a) with 8.3v limit end with timer or when current drops below 0.075 a temperature range operating / storage -30 c to +60 c / -22 f to +140f charging 0 c to +50c /+32 f to +130f physical characteristics metric imperial maximum weight 483 g 17 oz length 64.8 mm 2.55 in width 38.1mm 1.50 in height 95.3 mm 3.75 in battery case plastic references reference specifcations mil-prf-32052/4 or saft standard specifcation the bb 2847 battery is based on high energy li-ion technology. the battery is housed in a molded plastic case with dual terminal interface. the battery includes a built in electronic protection circuit with lcd hands-free fuel gage. benefts extended life and durabiity in rugged portable applications wide operating temperature range easy integration into military and civil applications key features robust molded plastic case built in protection circuitry 5-segment lcd fuel gage dual i/o terminals wide temperature range high rate capability high cycle life/low fade non-restricted to class 9 battery is compatible with mil compliant chargers typical applications applications where ba 5847 and ba 5347 are used an/pm-34 an/pas-13 an/prs-7
3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 voltage discharge capacity (ah) 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 voltage discharge capacity(ah) -30 degc -201 degc 25 degc 50 degc 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 0 25 50 75 100 125 150 175 200 225 250 watt hours amp hours cycle count ah wh typical high rate discharge curve at 7 a bb 2847 saft 12, rue sadi carnot 93170 bagnolet france tel.: +33 (0)1 49 93 19 18 fax: +33 (0)1 49 93 19 69 www.saftbatteries.com saft america, inc. 313 crescent st. valdese, nc 28690 - usa tel.: +1 (828) 874 4111 fax: +1 (828) 874 3981 www.saftbatteries.com doc n 32044-2-0713 edition: july 2013 information in this document is subject to change without notice and becomes contractual only after written confrmation by saft. published by the communications department photo credit: saft typical discharge curves for c/2 (3.7 a) at various temps cycle performance 10w discharge to 5 volts built-in protection circuit against over current/short circuit against over charge/ over discharge against over heating against charging outside the recommended temperature range built-in fuel gauge 5 segment lcd state-of-charge indicator dual terminal system rugged molded plastic case storage store in dry area not >30 c for long storage maintain battery at 15 - 50% state of charge handling do not disassemble do not remove the protection circuit do not incinerate 2.550 1.500 3.750 dimensions (inches)
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