20
Figure 4: Electrolyte level indicator
ATTENTION
The electrolyte level of charged cells decreases after charge
while the gas is escaping. Do not adjust electrolyte level
further.
6. Stand the battery for one hour.
7. Check the battery temperature is below 35°C. If battery temperature above, soak it to ambient
room temperature.
8. Ensure that the battery is connected to the charge/
discharge unit.
9. Discharge the 24V Battery at I
1
to 20 V.
Requirement: The voltage of each cell after 48 minutes must be
equal or greater than 1.0 V.
Note: If the discharge at the I
1
rate is not feasible, select a different
rate and criteria from the table below.
If any battery does not meet the requirement contact
the supplier.
10. Soak the battery to room temperature for up to 8 hours before
recharging.
ATTENTION
If necessary, adjust the
electrolyte level to the
height that touches the
edge of the spacer.
Discharge current rate Time (min) cell voltage
reading
Voltage requirement
for cells (V)
0.2*I
1
240 ≥1.0
0.4*I
1
120 ≥1.0
0.6*I
1
80 ≥1.0
0.8*I
1
60 ≥1.0
I
1
48 ≥1.0
Record the cell voltages (column 3) in the log book.
The document reference is online, please check the correspondence between the online documentation and the printed version.
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