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MPPT charge controller User Manual
7
battery manufacture are in fact only applied at 20
℃
-25
℃
.
The BTS (Battery Temperature Sensor) supplied with SP measures the temperature of battery and
automatically makes adjustments at real time to properly charge your batteries at the default
compensation rate of – 3mV/
℃
/cell.
In case of BTS was not present, the SP will use 25
℃
as default setting.
Remark
：
The BTS is optional.
Figure 2-5 Battery Temperature Sensor(BTS)
Multi battery chemical available
Commonly encountered lead acid battery chemicals include AGM, GEL, Traction. The voltage
required for a proper charging of different battery varies. SP offer premium charging for above
commonly encountered battery categories, of which you can set through the LCD and control
button.
2.3.5 Comprehensive Protection
The equipment is being protected against many failures through hardware and software making it
robust and reliable.
PV array reverse polarity protection
When PV reverse polarity is detected, SP will not work, the maximum PV short-circuit current
cannot exceed 20A. When the PV returns to normal wiring, the SP will work normally.
PV over voltage protection
When PV voltage is beyond the scope of operating voltage, the SP will shut down output, and by
light alarm prompt, to ensure that the SP will not damage.
When the PV voltage exceeds the highest PV open circuit voltage range of SP
street light controller, beyond specification use may cause damage, if the customer
use undeserved cause damage, do not provide warranty service.