Silverado Dual Battery Kit – Heavy Duty True® Brand

(1 customer review)


Heavy-duty 12V 140A Silverado dual battery kit with Cut-In:13.4V, and Cut-Out:12.9V.  Complete with installation kit, diagram, and installation instruction.

SKU: DBK12LARGE-HD Categories: ,


Product compositioncheby silverado

  •  True® Smart Battery Isolator for all Silverado models
  •  Black Flex cable with strong proprietary copper cable lugs
  •  Brass alloy battery terminal ends
  •  Crimp-on tinned copper cable lugs
  •  Adhesive-lined shrink tube
  •  Zip ties
  •  A booklet containing wiring installation setup
  • Anti-vibration and heat resistant second battery kit

Product features

  • Up to 150 amps alternator outputs
  • Voltage-sensitive relay with charging priority on starting battery
  • All True®  products are anti-vibration and heat resistant (130deg) with an average lifespan of 3 years.
  • Guaranteed vehicle’s warranty-friendly technology which requires NO connection to the alternator or ignition.
  • Compact size and cable length allow the kit to fit with old and new Silverado models  (Silverado 1500 WT, LT, RST, LTZ, High Country, Chevrolet Silverado 1500, etc.)
  • Can be purchased with a dual battery voltage meter.

All the TRUE® dual battery kits have proprietary cables that use adhesive-lined shrink tubes to maintain their anti-vibration and corrosion-proof properties.  All Silverado models (Chevy, Suburban, Tahoe, 2500HD, 2015, 2016, 2018, 2020 Silverado) are applicable to our dual battery charging management system.


A TRUE®  exclusive!

Delivery: USPS first class or priority mail


(These videos are not endorsed or represented as an “Official Installation video” by True Amalgamated and True Amalgamated accepts no responsibility for its content. It is produced by the end-user as stated. Follow entirely at your own risk.)

2019 Truck dual battery setup video

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Additional information



1 review for Silverado Dual Battery Kit – Heavy Duty True® Brand

  1. Timothy-amazon

    Reviewed in the United States on August 20, 2020
    Verified Purchase
    This True dual battery kit worked great. My expectation is met right after installation.
    I need this for a Silverado led lights that badly needed an auxiliary battery.

    4 people found this helpful

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