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MPPT charge controller User Manual
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Ambient temperature derating curve
Figure 2-6 Temperature derating curve
Battery over temperature protection
During charging, The SP in the process of charging battery temperature real time acquisition, when
the battery temperature is too high, it will reduce the charging current and shutdown, and fault
warning , in order to prevent thermal runaway of battery.
2.3.6 Equalization Charging (EQ charging)
It is strongly recommended to read this section carefully before you start the EQ
charging and Don’t leave battery unattended while performing desulfuration.
Always check if your battery supplier recommended EQ charging. Only start when it
is suitable.
If battery type was set at AGM, GEL or Lead-Carbon , this charging can’t be
triggered on.
Over a period of time, the cells in a traction battery can develop uneven chemical states. This will
result in a weak cell which in turn can reduce the overall capacity of battery. To improve the life and
performance of these non sealed battery, SP include a manual equalization program that can be
used, if recommended by battery manufacturer.