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7. Exchange of Batteries
7.1 Exchange judgments
The batteries are discharged 80% (refer the corresponding discharge rates, such
as C
10
, C
1
etc.) of rated capacity, at the same time, the voltage is below 1.8V/cell
(the discharge rate for 1 hour is 1.75V/cell). It should be exchanged.
7.2 Exchange time
The VRLA GEL battery has the certain service life; please replace the old battery
with the new one before the end of service life so that the application can run
safely and normally.
7.3 Exchange steps
Step 1:
Disconnect the battery’s inter-cell connectors and inter-tier
connectors.
Step 2:
The batteries remove should be operated from the top to down, such
as disassembly one of the top lateral frame to remove the top layer batteries.
And then the second top layer. Until all batteries are removed from the rack.
Step 3:
For installing the new batteries and, please refer to the section 6.5;
Note:
Sometimes, the cables need to be reused according to the requirement. Don’t
hurt the cables during disconnect.