Automotive
Suitable for 12V vehicle, marine, 4WD, Caravan, ATVs
140 Amp Voltage Sensitive Relay
Priority charging for starting battery
Alternator outputs up to 150 amps
Fully Automatic, Proven Technology
Showing all 13 results
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True® Lithium Large Dual Battery Kit
$132.95 – $152.95The dual lithium battery install kit for boats, cars, 4WD, trucks, Caravan, RVs, or general automoti...
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True® GMC Sierra Dual Battery Kit 12V 140A Automatic Management
$130.95 – $150.95The True® brand is the best smart battery isolator kit for the GMC series! Made in the USA, the Tru...
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True® F150 Dual Battery Kit – Heavy Duty
$130.95 – $150.95The heavy-duty True® F150 Dual Battery Isolator Kit is a specific type of battery isolator designed...
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True® Silverado Dual Battery Kit – Heavy Duty
$130.95 – $150.95Heavy-duty 12V 140A Chevy Silverado dual battery kit with Cut-In:13.4V, and Cut-Out:12.9V. Complet...
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True® Large 12v Dual Battery Kit
$130.95 – $150.95Best dual battery setup kit with voltage-sensitive relay (VSR) for adding that 2nd or 3rd battery to...
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True® Auxiliary Car Battery Isolator Kit, Heavy-Duty Smart Isolator
$130.95 – $150.95Here is the 12V True® auxiliary car battery isolator kit with a voltage-sensitive relay (VSR), allo...
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True® Single Meter Dual Display
$40.95 – $60.95
12v Dual Battery Voltage MeterThe True® SMDD (Single Meter Dual Display) Dual battery voltage meter kit provides accurate real-t...
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True® Dual Smart Battery Isolator (SBI)
$80.95 – $100.95This 12V True® Smart Battery Isolator is a ultra-simple and most technologically advanced method of...
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True® Lithium Small Dual Battery Kit
$102.95 – $122.95The True® Small LITHIUM Dual Battery Kit facilitates close proximity setup with a universal method ...
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True® Lithium Medium Dual Battery Kit
$118.95 – $138.95Features: NOW features PEP® making it the most efficient Lithium battery isolator on the market. ...
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True® Lithium Smart Battery Isolator (Patent Pending)
$82.95 – $102.95Features: NOW features PEP® making it the most efficient battery isolator for Lithium battery on t...
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True® Medium Dual Battery Kit – Under the hood kit – DBK12MED
$116.95 – $136.95This is the perfect kit to not only connect that second battery under the hood of your Truck or Je...
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True® Small Dual Battery Kit
$100.95 – $120.95True® auxiliary battery kit ensures that your vehicle always has a fully charged primary battery....
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Showing all 13 results
