Silverado Dual Battery Kit – Heavy Duty True® Brand

(1 customer review)


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



2021 Silverado Auxiliary Battery Kit Compositioncheby silverado

  •  True® Smart Battery Isolator fit for all GMC 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

Product features

  • Up to 150 amps alternator outputs
  • Anti-vibration, waterproof, and heat-resistant GMC dual battery kit
  • Voltage-sensitive relay with charging priority on starting battery
  • All True®  isolator products can stand up to 130 degrees
  • Guaranteed 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, 2015, 2016, 2017, 2018, 2018, 2019, 2020 and the latest 2021 model.)
  • Can be purchased with a dual battery voltage meter.
  • Perfect GMC or GMC dual battery kit and Chevy Silverado dual battery kit

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 GMC – 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.)

2021 Silverado dual battery kit setup

2019 GM 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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