hot feed Information on New Products from Cole Hersee Company NEW Smart Battery Isolator Prevents loads on auxiliary battery from draining the starting battery More flexible than traditional Isolators: Works with all alternator types Smaller, lighter, less heat generated No diode efficiency losses Reduces charging system workload by not connecting auxiliary battery until primary battery is charged to 13.2V. Lower strain on expensive charging components extends their useful life. Allows bi-directional charging from alternator or from shore/campground power charger/converter when available. Simple installation - Connect to starting battery, auxiliary battery, and ground. LED status indicator. Cole Hersee part numbers 48525 48530 85A 200A Optional Start Assist – Momentary switch allows the auxiliary battery to assist the starting battery. Dimensions 3.27” [83.1mm] 0.71” [18.0mm] 3.34” [85.0mm] TO AUX BATTERY 2.93” [74.4mm] TO MAIN BATTERY WHITE: STATUS PURPLE: BOOST BLACK TO GROUND 1.74” [44.2mm] Copyright Cole Hersee Co. D-617 Rev 00 How a Smart Batte Normal Operation Sequence 1 When the vehicle has been running, the alternator NO1both battery banks through the Smart Isolator. charges Status Light 2 Status Light Batteries are fully charged Solenoid relay in Smart Battery Isolator Alternator Alternator + - 13.2 V - Main battery + + House/ Auxiliary Loads 12.7 V Starter When the engine is turned off, the alternator no longer supplies a charge NO2and the loads on the batteries begin to deplete them. to the batteries, - House/ Auxiliary Loads Starter Main battery opens the solenoid relay to separate the battery banks, and turns off the status light. This protects the starting battery while allowing NO3 battery to continue to power the auxiliary loads. the auxiliary + 12.7 V Auxiliary battery 3 When batteries reach 12.7V, the Smart Battery Isolator senses it, - 13.2 V 4 Auxiliary battery When the vehicle is restarted, the starting battery has enough power to crank the engine, but the auxiliary battery is significantly depleted. The Smart Battery Isolator is open and the battery banks are separated. NO4 Status Light Status light is off and Smart Battery Isolator is open Alternator Alternator + - 13.2 V - House/ Auxiliary Loads 12.7 V Starter Main battery + + has reached 13.2V. Only now does the Smart Battery Isolator reconnect, enabling the depleted auxiliary battery to be charged. By not reconnecting until the main battery is charged, the NO5 alternator is protected from excessive loads. 13.2 V - House/ Auxiliary Loads Starter 6 Main battery Auxiliary battery Now both batteries are charged again. NO6 Status Light Batteries are fully charged Status light is off and Smart Battery Isolator is closed Alternator Alternator + - 13.2 V - Main battery + + House/ Auxiliary Loads 12.7 V Starter + 12.7 V Auxiliary battery 5 The engine is powering the alternator, and the starting battery - Auxiliary battery - 13.2 V - + House/ Auxiliary Loads 12.7 V Starter Main battery Auxiliary battery ery Isolator works Using the Auxiliary Battery for a Start Boost 1 The main battery has been depleted and does not have enough power to start the engine. Voltage is greater than 9.5V BO1 2 The boost switch is pressed. It closes the Smart Battery Isolator solenoid for one minute. Now the power in the auxiliary battery BO2 is available for starting. Boost switch Status Light Boost switch Status Light Alternator Alternator + - 13.2 V - + 12.7 V Starter Main battery + - House/ Auxiliary Loads - 13.2 V + House/ Auxiliary Loads 12.7 V Starter Auxiliary battery Main battery Auxiliary battery BO3 3 The alternator begins to charge the batteries. After one minute the Smart Battery Isolator reverts to the automatic mode. If the starting battery has not reached 13.2V, it isolates the batteries to reduce stress on the alternator. Once the main battery reaches 13.2V, it reconnects and charges the auxiliary battery. Boost switch Status Light Alternator + - 13.2 V - + House/ Auxiliary Loads 12.7 V Starter Main battery Auxiliary battery Connection Schematic Suggested Cole Hersee part numbers: Start Boost Switch Remote Status Light Remote Status Light PL-612-R PL-118-RC M-326-RC M-328-RC House Battery Bank Starting Battery Start Boost Switch Alternator Starter House Loads Shore Power 9216-03 55020-04 M-626-02 M-58031-07 Environmental Specifications Per SAE J1455 Parameter Notes Operating temperature range -40 to +85 °C Operating condition Ingress protection IP65 Per IEC Humidity 0 to 90% RH Vibration 10-500Hz per SAE J1455 Shock per SAE J1455 Thermal shock per SAE J1455 EMI/RF per SAE J1455 & J1113 Terminal Torque Specifications Battery terminals 5/16-24 50 in-lbs (5.78 Nm) Electrical characteristics Characteristic Min Normal input voltage 9V Typical Max Notes 16V Voltage range unit is guaranteed to function within specification. Continuous current 48525 48530 85A 200 A Connect voltage 13.2V After 2 minutes at this level Disconnect voltage 12.7V After 1 minute at this level Quiescent current 5mA 8mA Relay off, start signal input open or grounded. 20 Old Colony Avenue, Boston, MA USA 02127-2467 • 617-268-2100 • Fax 617-268-9490 See our interactive product catalog at www.colehersee.com All specifications and information is subject to change without notice.
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