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The BMPRO BC300 External Shunt and CommLink provides additional battery monitoring for your BatteryPlus35 and J35 Power Management Systems, connecting directly to battery via the BC300 External Shunt. This enhances system behaviour with temperature monitoring of the battery for greater protection.
The addition of the BC300 to the BatteryPlus35 and J35 Power Management Systems allows high current loads and external charge sources.
The BC300 also provides your BatteryPlus35 and J35 with additional information on battery usage so your displays such as the Trek, JControl and JHub are always up-to-date on battery Time Remaining and State of Charge.
The BC300 External Shunt and CommLink communicates via Bluetooth and CAN bus. The BC300 External Shunt is designed for 12V batteries up to 800AH in capacity. The shunt is rated for ±240A constant and 300A peak.
Voltage Range
8V to 16VVoltage Resolution
<20mVCurrent Resolution
<200mACurrent Range
240A continuousOverload Protection
± 800A (100ms without damage)Temperature Range
-20°C to 70°C (battery terminal)Temperature Resolution
3°CCapacity Range
7 to 800AhInput Voltage
8V to 16VQuiescent Current Drain (average)
<10mVOperating Temperature
-20°C to 70°CHumidity Operating
≤ 85% RH non-condensingHumidity Non-operating
≤ 95% RH non-condensingDimensions (Approx.)
140mm x 65mm x 18.6mmWeight (Approx.)
1kgIP Rating
IP54Input Voltage
Quiescent Current Drain (average)
Operating Temperature
Humidity Operating
Humidity Non-operating
Dimensions (Approx.)
Weight (Approx.)
150gIP Rating
Available in-store at Ashmores Caravan Services & Accessories
Pakenham, VIC
Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
US$40
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