march 2007 li-ion rechargeable military battery system 28 v lbb benefts ? maintenance free ? light weight ? fast re-charge ? no ventilation required typical applications ? improved target acquisition system ? exportable power ? defense safety features ? electronics over-charge protection over-discharge protection over-current protection capacity (%) indicator rs-422 communication available (with built-in test and battery status) over-ride pass-through switch on/off switch ? hardware pressure compensated box burst prevention mechanism carry handles arctic glove functional keyed connectors charger ? current limited (31.8 v) charger (lithium-ion battery box) electrical characteristics voltage ocv 31.8 v mid-discharge 28.8 v cut-off 24.0 v maximum charge 32.0 v capacity + 54 c >80 ah + 21 c >80 ah - 32 c >70 ah max discharge rate 30 a mechanical characteristics weight 64 lbs/29 kg height 13.19 in/335.0 mm width 12.60 in/322.3 mm length 17.07 in/433.6 mm qualifcations transport un & dot approved altitude 50,000 ft/15,240 m drop tested 3 ft water proof 3 ft vibration spectrum full shock spectrum full electromagnetic protection (if required)
saft america, inc. space & defense division 107 beaver court cockeysville, md 21030 - usa tel +1 410 771 3200 fax +1 410 771 1144 www.saftbatteries.com doc n 32014-2-0307 edition: march 2007 data in this document are subject to change without notice and become contractual only after written confrmation by saft. published by the communications department photo credit: saft produced by saft space & defense division 28 v lbb charge profle 24 a/32 v/ 6 hr charge charge time (hr:min) battery voltage and current charge capacity (ah) 0:0 0:30 1:00 1:30 2:00 2:30 3:00 3:30 4:00 4:30 5:00 5:50 6:00 40 35 30 25 20 15 10 5 0 160 140 120 100 80 60 40 20 0 battery voltage charge current charge capacity fade/capacity over cycle life cell capacity (ah) cycle capacity decrease (%) battery capacity capacity decrease 90 85 70 65 60 55 50 30% 25% 20% 15% 10% 5% 0% 0 100 200 300 400 500 600 700
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