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Temperature compensation function to prolong battery life for lead-acid batteries. Temperature compensation range is 0 ~ 40℃.
The battery temperature sensor comes along with the charger can be connected to the unit to allow temperature compensation of the charging voltage.
If the sensor is not used, the charger works normally.
9.Temperature compensation(3 stage only)
2 1
14 13
Between Remote ON-OFF (pin 7) and +12Vaux (pin 8)
ON (Default)
OFF
The NPB-750 can be turned ON/OFF by using the "Remote Control" function.
S.W Short (pin 7 = 10.8 ~ 13.2V)
S.W Open pin 7 = ( -0.5 ~ 0.5V)
8.Remote ON-OFF Control
Battery full signal is a TTL level signal.
The maximum sourcing current is 10mA.
Between Battery Full (pin 5) and GND-AUX (pin 9 & 10)
Status
LED indication
Battery Full Green
Charging Orange
"High" : 4.5 ~ 5.5V
"Low" : -0.5 ~ 0.5V
7.Battery Full Signal
※ The charger is shipped, by factory default, with Remote ON-OFF(pin 7) and +12Vaux (pin 8) shorted by connector.
PIN 5 Battery Full
PIN 9 & 10 GND-AUX
2 1
14 13
PIN 7 Remote ON-OFF
PIN 8 +12Vaux
2 1
14 13
PIN 13 NTC(RTH+)
PIN 14 NTC(RTH-)
NTC
LED
Green
Orange
Orange (Flashing)
Red
Red (Flashing)
Float (stage 3) or Battery full
Charging (stage 1 or stage 2)
Auto ranging for charging
Abnormal status (OTP, OVP, Short circuit, Reverse polarity, Charging timeout.)
The LED will flash with the red light when the internal temperature reaches 95℃; under this condition, the unit still
Description
10. DC Output Side LED Indicators & Corresponding Signal at Function Pins
operates normally without entering OTP. (In the meantime, an alarm signal will be sent out through the CANBus interface.)
8 7
Status
750W High Reliable Ultra Wide Output Range Intelligent Battery Charger
NPB-750 series
File Name:NPB-750-SPEC 2021-10-26