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Hellroaring Technologies, inc.

Polson, Montana  -  USA

Our Auxiliary Cranking Power Page 

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BIC-75150A
BIC-75300A
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Battery Isolator / Combiner Models:

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Application Notes for:

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Hellroaring BIC-75150, and BIC-75300

Auxiliary Cranking Power

The Hellroaring BIC-75150 and BIC-75300 were designed primarily as an automatic battery combiner for efficient charging of multiple batteries.     Either model has the capability to be manually switched ON to combine the batteries for extra engine cranking power.  

The BIC-75150 can handle up to 150 amps for a significant power boost  when a main battery will almost crank (clicking solenoid) or cranks slowly.  The BIC-75300 when configured for high current, can handle up to 300 amps to fully crank your typical gasoline engine even with a completely discharged main battery.  To properly acheive this capability, you must use properly sized wiring and a properly rated (in terms of CCA) backup battery.   The backup battery should be (CCA) rated at least as high as the original vehicle manufacturer's main battery.  A higher rating is better. 

If you have an unusual application that requires even higher currents (such as a Diesel Engine), then you can parallel the units as needed.  A typical automotive Diesel Engine will require 2 units for backup cranking.  Large Diesel Engines may require more.

BIC-75150

Number of parallel units

Maximum Cranking Current (Amps < 15S)

Continuous Current (Amps)

Peak Current Capability     (< 50 mS)

1

150

75

250

2

300

150

500

3

450

225

750

 

BIC-75300

High Current Configuration

Number of parallel units

Maximum Cranking Current (Amps < 15S)

Continuous Current (Amps)*

Peak Current Capability     (Amps < 50 mS)

1

300

150-180

500

2

600

300-360

1000

3

900

450-540

1500

* Depends on polarity

Note:  Appropriate wiring must be used.

 


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Copyright 1998-2008 Hellroaring Technologies, inc.
Last modified: 1/5/2008