Charge/Discharge percentage calculations
Enter charged and discharged 
voltages for your pack type - 
for example, 120V nominal
lead acid pack would be 
132 V and 105 V. For Nicads 
I use 135V and 80V.
Fully Charged float voltage
Discharged voltage
Percentage Charge: Voltage:
100% (fully charged)
90%
80%
70%
60%
50%
40%
30%
20%
10%
0% (full discharged)