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Hellroaring Technologies, inc.

Polson, Montana  -  USA

Our Car Power Audio Page 

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BIC-75150A
BIC-75300A
Remote Module
BIC FAQ
4 Wheel Drive
Custom Truck Applications
Camper/Trailer Applications
Car Power Audio
Marine Applications
Why Hellroaring!
Battery Tips
  Efficient Battery Isolation
Backup starting
Basic Auxiliary - Audio

Battery Isolator / Combiner Models:

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Application Notes for:

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High Power Car Audio Applications

When you install a high power audio system in an automobile, pickup, 4x4, or van, you need the security of backup starting power for your vehicle or at least isolation from your starting battery.   Locating a suitable space where you can put the additional battery and isolation device is just one of the problems you will face.   Your typical Battery and Isolator can take up substantial space.   Some battery manufacturers have developed small starting batteries with enough short term power to start your vehicle after you drained your main battery while thumping your tunes.    But, you will still need a lot of space for your isolator and switching system for emergency starting.   That is....until now! 

BIC-75300A-kit-small.jpg (19094 bytes)With a Hellroaring BIC-75300A, you can have automatic charging and isolation of your backup battery.   You will also be able to quickly energize your backup battery for starting.    Our BIC-75300A keeps the  backup battery charged and ready to start your vehicle.  Yet, it is packaged in a relatively small package.   

For a simple installation, we suggest you use your combination deep cycle/starting battery for all your primary vehicle operation and audio amps.   This way, your alternator and main battery can be connected directly to your amps to achieve the most power transfer possible.  This also simplifies the installation and use of a backup battery.   The operation of the Hellroaring BIC-75300A is simple.    It automatically combines your backup battery to your charge system only when it is charging.   It automatically disconnects your backup battery from your system when there is no charge voltage.   When you need backup starting power, simply energize the BIC-75300A by changing positions on a small signal switch or with our Remote Module.

 

With a little extra re-wiring, you could use our lower cost BIC-75150A to BIC-75150A-kit-small.jpg (21503 bytes)simply isolate your starting battery and run your alternator output directly to your heavy loads and deep cycle battery system.   Either way, you should be able to use as large an alternator as is available because most of the alternator current will not go through the isolation device!  

 

For Audio systems under 500 Watts, the basic auxiliary battery isolation method of our BIC-75150A works well and is very simple to install.

 

For diagrams of suggested configurations, click on the following links.

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