Lucent Technologies Round Cell Batteries
Issue 3 December 1999 Discharge and Power Data 8 - 3
Table 8-B: Battery Discharge Amperes Model KS-20472,
List 2S Cells
Hours
Reserve At
77°F*
End Of Discharge Volts Per Cell
1.75 V 1.80 V 1.84 V 1.86 V 1.88 V 1.90 V
1.0 360 310 265 245 225 220
1.5 285 255 230 215 190 170
2.0 245 218 195 182 180 160
2.5 218 205 187 175 163 150
3.0 192 181 167 158 148 136
3.5 172 164 152 145 135 125
4.0 161 148 139 133 125 116
4.5 144 138 130 124 116 109
5.0 133 128 122 116 110 103
5.5 125 120 114 109 103 96
6.0 118 113 107 103 98 93
7.0 106 100 97 94 89 84
8.0 97 91 88 85 81 78
9.0 89 84 80 79 75 72
10.0 82 78 75 73 71 67
Note: The values in this table include intercell connector loss. This loss is based on the
use of two 12" x 1" x 1/8" lead-plated copper straps with an average intercell resistance of
48 microohms.
*Hours reserve reflect cell performance at electrolyte specific gravity of 1.215 ±0.005 at
77°F.
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