Manual

745-680-B8-002, Rev. B
14
Table 4-1, Discharge Data (A, 70–77ºF (21–25ºC))
4.0 Discharge Specications
Model: SMU-F 12-75-FR
End Voltage
(Volts/Cell)
Minutes Hours
1 5 15 30 1 2 3 5 6 8 10 12 20 24
1.60
290 262 131 83 48 35 21 15 13.0 9.8 8.2 7.5 4.2 3.7
1.65
278 241 125 79 47 34.5 20.2 14.6 12.9 9.7 8.1 7.5 4.2 3.7
1.70
267 223 122 76 47 33.3 19.5 14.2 12.4 9.6 8.0 7.2 4.1 3.6
1.75
234 199 112 73 45 31.5 18.7 13.8 12.0 9.3 7.8 6.9 3.9 3.4
1.80
208 180 16 71 41 30.0 18.0 13.5 11.6 9.0 7.5 6.7 3.7 3.3
1.83
191 167 102 69 39 28.8 17.5 13.3 11.4 8.7 7.3 6.5 3.6 3.2
1.85
180 159 100 68 38 28.1 17.2 13.2 11.3 8.6 7.2 6.3 3.5 3.1
1.90
150 136 92 65 34 26.2 16.5 10.8 8.8 8.1 6.4 5.8 3.3 2.9
Model: SMU-F 12-50-FR
End Voltage
(Volts/Cell)
Minutes Hours
1 5 15 30
1 2 3 5 6 8 10 12 20 24
1.60
193 175 88 55 33 23 14 10 8.8 6.6 5.5 5.0 2.9 2.5
1.65
185 161 84 53 32 23.0 13.5 9.7 8.6 6.5 5.4 5.0 2.5 2.5
1.70
178 149 81 51 31 22.2 13.0 9.5 8.2 6.4 5.3 4.8 2.8 2.4
1.75
156 133 75 49 30 21.0 12.5 9.2 8.0 6.3 5.2 4.6 2.6 2.3
1.80
139 120 71 48 28 20.0 12.0 9.0 7.8 6.0 5.0 4.5 2.5 2.3
1.83
127 111 68 46 26 19.2 11.7 8.8 7.6 5.8 4.8 4.3 2.4 2.1
1.85
120 106 67 45 25 18.7 11.5 8.8 7.5 5.7 4.8 4.2 2.3 2.1
1.90
100 149 61 43 23 17.5 11.0 7.2 5.9 5.4 4.3 3.9 2.2 1.9
Model: SMU-F 12-85-FR
End Voltage
(Volts/Cell)
Minutes Hours
1 5 15 30 1 2 3 5 6 8 10 12 20 24
1.60 345 314 169 102 60 34 25 17 14.2 10.9 9.0 7.6 4.7 4.0
1.65 342 295 163 101 60 34.2 24.5 16.4 14.1 10.8 8.9 7.5 4.7 3.9
1.70 339 292 160 99 59 33.9 24.4 16.2 14.0 10.8 8.8 7.5 4.7 3.9
1.75 312 269 155 98 58 33.1 24.1 16.1 13.8 10.7 8.8 7.5 4.7 3.9
1.80 280 241 145 94 57 32.8 23.9 15.8 13.6 10.6 8.7 7.4 4.6 3.9
1.83 267 230 132 92 54 32.4 23.1 15.2 13.1 10.3 8.4 7.0 4.6 3.8
1.85 249 215 128 86 53 31.2 22.5 14.9 12.8 10.0 8.3 7.0 4.5 3.8
1.90 197 176 110 79 48 28.7 20.7 13.7 11.8 9.2 7.6 6.5 4.2 3.5
Due to continuing product improvements, Alpha reserves the right to change specications without notice.