Lucent Technologies KS-20472 - Page 97

Lucent Technologies Round Cell Batteries
Issue 3 December 1999 Discharge and Power Data 8 - 7
Table 8-G: Battery Discharge Amperes High Rate, UPS Rate
Model KS-20472, List 3S Cells
Minutes
Reserve At
77°F*
End Of Discharge Volts Per Cell
1.55 V 1.60 V 1.65 V 1.70 V 1.75 V 1.80 V
5 775 750 710 655 500 430
10 675 635 605 535 460 390
15 540 520 500 450 410 360
20 470 455 440 400 360 320
25 390 380 365 340 315 295
30 320 315 310 305 290 280
Note: The values in this table include intercell connector loss. This loss is based on the
use of two 12" x 2-1/2" x 3/8" lead-plated copper straps with an average intercell
resistance of 19 microohms.
*Minutes reserve reflect cell performance at electrolyte specific gravity of 1.215 ±0.005
at 77°F.
Table 8-H: Battery Discharge Amperes High Rate, UPS Rate
Model KS-20472, List 4S Cells
Minutes
Reserve At
77°F*
End Of Discharge Volts Per Cell
1.55 V 1.60 V 1.65 V 1.70 V 1.75 V 1.80 V
5 500 485 460 430 350 270
10 440 410 390 335 320 245
15 350 330 320 315 270 235
20 310 300 285 255 235 205
25 245 235 225 220 215 170
30 235 225 220 215 180 150
Note: The values in this table include intercell connector loss. This loss is based on the
use of two 12" x 2-1/2" x 3/8" lead-plated copper straps with an average intercell
resistance of 19 microohms.
*Minutes reserve reflect cell performance at electrolyte specific gravity of 1.215 ±0.005
at 77°F.