DBK12LARGE
True® Silverado Dual Battery Kit – Smart & Heavy Duty, 12V 140A - Image 2
True® Silverado Dual Battery Kit – Smart & Heavy Duty, 12V 140A - Image 3
True® Silverado Dual Battery Kit – Smart & Heavy Duty, 12V 140A - Image 4

True® Silverado Dual Battery Kit – Smart & Heavy Duty, 12V 140A

Price range: $132.95 through $152.95

Engineered for power-hungry setups, this premium Silverado dual battery kit provides a seamless solution for Chevrolet Silverado trucks. Equipped with the True® Smart Battery Isolator, heavy-duty wiring, and anti-vibration hardware, it is designed to withstand demanding environments and excel in off-road adventures.

  • Smart Dual Voltage Sensing Technology
  • OEM-Safe Technology
  • FREE SHIPPING — USPS first class or priority mail
SKU: DBK12LRG-HD Category:

  •  Heat-Resistant Engineering — Perform reliably in extreme conditions, withstanding temperatures up to 130°C (266°F)
  • Anti-Vibration & Corrosion Proof — Build with vibration-proof housing ready for off-road jolts and coastal conditions alike.
  • Compact Design with Optimized Cable Length — Allow the Silverado dual battery isolator kit to fit with old and new truck models  (Silverado 1500 WT, LT, RST, LTZ, High Country, Chevrolet Silverado 1500, 2015, 2016, 2017, 2018, 2018, 2019, 2020 and the latest 2021 model.)
  • Engineered for Chevy Silverado® & GMC Sierra® — The best dual battery isolator kit delivers reliable dual battery performance in rugged conditions.
  • Maintenance-Free Operation — Once installed, it just works—so you can focus on the journey, not the gear.

Silverado Battery Isolator Kit Contents

  •  1 True® Smart Dual Battery Isolator (SBI) with mounting screws
  •  20 feet #6 high flex red cable with tinned copper cable lugs
  •  3 feet #6 high flex black cable with tinned copper cable lugs
  •  2 positive brass alloy battery terminal ends
  •  1 negative brass alloy battery terminal end
  •  3 loose crimp on tinned copper cable lugs
  •  2 sections of adhesive lined shrink tube
  •  5 zip ties
  •  1 installation instructions booklet

Smart Features That Set True® Battery Isolator Apart

  • Performance-Driven —  Supports demanding alternator outputs up to 150 Amps with ease
  • Automatic Dual Voltage Sensing Relay It intelligently detects when your main battery reaches a charging threshold, then connects the auxiliary battery. No switches, no guesswork—just precision automation.
  • No Voltage Drop Unlike older diode-based isolators (which can lose 0.6+ volts), True® uses solid-state technology that maintains full voltage to both batteries—ensuring faster charging and better performance.
  • No Alternator Rewiring Required — Installs directly at the battery with a simple 3-wire setup, meaning it’s compatible with modern ECUs and won’t interfere with factory wiring. That’s a win for newer vehicles and warranty protection.
  • LED Status Indicator for At-A-Glance Monitoring — Quickly shows when batteries are linked or isolated.
  • Built-in Ignition Surge Protection — Protects sensitive electronics from voltage spikes—UL1107/UL1500 certified for marine and automotive use.
  • Optional Dual Battery Voltage Meter —  Enhances battery monitoring accuracy.
  • Orders are shipped via USPS First Class or Priority Mail, with up to $100 insurance included.
  • Most orders are processed within 1–3 business days and come with tracking.
  • The company aims for same-day shipping if placed before 2:30 PM PT, excluding weekends and U.S. federal holidays.
  • Best of all, shipping is free—no hidden fees.
Location

USA, CANADA, AUSTRALIA

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