A 70 amp isolator will set you back in the neighborhood of 50 or more. 80 amp group 3 motorola other than load.
True Am Dual Battery Isolator
What size battery isolator do i need. Edited december 28 2010 by underlok. 80 amp 4 4 ga. Technically you wouldnt need an isolator but its highly recommended and i would try to get a 300 amp islolater if you could find one for the most power but since your subs wont need that much. 80 amp 2 ga. Size your battery isolator appropriately in order to guarantee that it is right for your vehicle. 80 amp 1 ga.
20 wire will be enough for 95 of applications. 20 wire with 105c insulation under 50 feet in length is capable of handling currents of up to 330 amps. Multibattery isolator application chart getting started. The biggest one i can find in my price range is 200 amp. Youll need to get an isolator with a rating equal to or larger than your alternator output. Battery isolators of this nature are rated by how much current they can carry.
And my other question is do i hook my 10 wire to the front battery or to the alternator. Open the hood on your vehicle to inspect the alternator that you currently have installed on your engine. Wire size for battery isolator blanket statement. Group 2 up to 120 amps 80069 13023a 12032a 80069 13023a 12032a 6 ga. First of all i have a 320a alt and an 1800wrms monoblock amp. My question is do i need a battery isolator.
Sure power multi battery isolator application and installation instructions. Look for a small plate with printing on your alternator indicating the maximum amperage measured in amperes for your car system. You run 10 from your alt to your front batt and then from that front batt to the rear batts. I am wanting to run a second battery and i know i need an isolator but what size. A battery isolator is a one way electrical battery that allows an electrical current to flow in one direction but not the other. The one amplifier will be the only thing run off second battery and it runs a 120a fuse.
A battery isolator typically is used in situations where multiple batteries are required and its primary purpose is to ensure that the failure of a single battery will not incapacitate an entire electrical system. Most applications will never see amps that high nor are most alternators capable of putting out that many amps. Which battery isolator do i need.
Gallery of What Size Battery Isolator Do I Need
