NSN 6130-99-391-3441 ()
Battery Charger Analyser : Operator Manual
19.2 Test Mode
Typical battery test parameters are as follows: -
Battery Voltage
Maximum Test Current
12V
60A
24V
50A
These currents are quoted as nominal maximums. When the battery voltage drops there is
a point where the units internal resistance is too high to maintain the quoted currents.
Therefore the unit will require de-rating for battery voltage outside the nominal. These can
be calculated as follows: -
For Battery Voltage Less than 16V
Maximum current
Cut-off Voltage
Current drop per V thereafter
60A
10V
6.5A
For Battery Voltage Equal or Greater than 16V
Maximum current
Cut-off Voltage
Current drop per V thereafter
50A
15.5V
6.5A
Where batteries of higher voltages are to be discharged then maximum power ratings
have to be taken into account. The unit has a maximum discharge capacity of 1400W, this
is a thermal limitation. So for upper (starting) voltages we must de-rate as follows: -
Max Current
Max Voltage
De-rating per 1V thereafter
50A
28V
1.7A
Doc: DWG1030-25-R11 Operators manual.odt
Page 70 of 72
Copyright Material of Intelligent Charging Limited © 2015
Printed On : 12/06/17