MAINTENANCE
Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
a. The battery have voltage, but the whole battery group cannot be charged or discharged. The internal resistance meter can be
used to check the single battery with open circuit, because the internal resistance of the open circuit battery is very large.
b. Open circuit state: If the battery has no voltage, it is open circuit.
The open circuit battery cannot be used any longer, it should be replaced with a qualified battery.
5)
Irreversible sulfation
a. When the plate is severely sulfated, the voltage rises quickly, the gas precipitates prematurely, and the temperature rises
quickly.
b. The battery discharge rapidly until reach the final voltage, and the battery capacity decreases.
c. Through dissection, the positive and negative plate are found hard and brittle, and the separator is adhered, there are white
crystals on the surface.
Check whether the battery is undercharged for long time or stored in a deficit.
Slightly sulphated batteries will repair in the process of use, but seriously sulphated batteries, the capacity has decreased
significantly, can not continue to be used, and should be replaced with qualified batteries.
6)
Single Battery Capacity is low
In the same group, when the voltage a single battery drops faster than the other batteries, and drop faster to the protective
voltage(1.75V/cell). The battery is determined to be backward.
If the battery capacity backward, see 6.2 for maintenance.
Notice：
If the faults found are not included in the above, please seek help from the supplier
.
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