The Original Retailer of True® Dual Smart Battery Isolator

True® Polaris General Dual Battery Kit – XP 1000

Price range: $131.95 through $145.50

Adventure without limits with the True® Dual Battery Kit—built exclusively for the Polaris General 1000 and XP 1000. Using innovative PEP® technology, it automatically protects your starting battery while giving your auxiliary battery the muscle to run winches, lights, and stereos for every ride.

  • Fully Automatic convenience
  • Smart Isolation technology
  • Voltage Spike Protection assurance

 

SKU: UTV-SBI-CM-GENERAL Category: Tag:
Polaris GENERAL 1000 White Lightning

Polaris General Dual Battery Kit

The True® Polaris General Dual Battery Kit is a premium, vehicle-specific power management solution designed to meet the growing electrical demands of modern UTV enthusiasts. Built specifically for the Polaris General 1000 and Polaris General XP 1000, this kit allows you to safely run multiple accessories without risking your primary battery.

Upgrade your Polaris General

the True® Dual Battery Kit and experience reliable, worry-free power wherever your adventures take you. From demanding work environments to extended off-grid trips, this system ensures your vehicle—and your accessories—stay powered at all times.

Brand That Trusted Us!

Why Choose True®

Purpose-Built Compatibility Fits all Polaris General models (2016–2025) including: General 1000, General XP 1000, General 4 / General 4 XP 1000
  • Automatically manages power flow between batteries.
  • Starting battery is always prioritized and protected.
  • Auxiliary battery only engages when voltage thresholds are met
Polaris GENERAL 1000 Deluxe Sunset Red

Application

Polaris Dual Battery Kit Wiring Diagram

Installing the best UTV dual battery kit in your Polaris General enhances its power management capabilities, ensuring a reliable and consistent power supply for all your needs, whether for recreational adventures or demanding work environments.
True Amazon Product Reviews

⭐⭐⭐⭐⭐

4.8 / 5.0 Rating


“The gold standard for Polaris Ranger power management.”
Based on 744+ Customer Reviews | Updated March 2026

Heavy-Duty Wiring & Components

Industrial-grade cables, terminals, and connectors handle high current loads and are built for rugged use.
Heavy Duty Battery Cables
True Amazon Product Reviews

Universal Dual Battery Kit

True® isolators are designed to work across different UTV brand including Polaris, Honda, Kawasaki, Yamaha etc.

Advanced Protection Features

Over-voltage and surge protection, and Ignition protection (UL-certified), Compact design and Multiple mounting options

Testimonials

“Ordered the kit, had a couple of questions about where to mount the isolator and how long the cables are. True’s support answered pretty quickly, and I got a tip that helped hide the wiring from splash damage. After using the UTV dual battery isolator for several months, it’s still solid as day one.”

Ron McCaulley

Moab ATV/UTV Trails

“After installing the True dual battery kit, my UTV power system became rock solid. The utv dual battery isolator from True works seamlessly, accessories run smoothly, and starting power is always protected. This isolator kit is a must-have upgrade for serious off-roaders and work-focused riders.”

Logan Parker

Colorado 

Our Amazon Store Reviews

The verdict is in. With 744 verified reviews and a stellar 4.8-star rating on Amazon, the True® Polaris General Dual Battery Kit is the most trusted power upgrade on the market as of March 2026. Join the thousands of riders who never worry about a dead battery again.

Frequently Asked Questions

Does it regulate amperage or prevent overcharging?
No. The UTV-SBI-18 does not regulate amperage—that’s handled by your voltage regulator and stator/alternator. It simply controls when the second battery is connected to the charging system.
This is normal behavior. The LED indicates the isolator is still connected. To test disconnection, briefly turn on the headlights—the LED should turn off, confirming the isolator has opened the circuit.

When we talk about a True® dual battery isolator, what sets it apart from many other isolators on the market comes down to a few key features:

Smart Charging Technology – True isolators often have intelligent circuitry that ensures your auxiliary battery charges efficiently without overloading the starter battery. Many standard isolators just split voltage without optimizing charge.

High Current Capacity – True isolators are rated for heavy-duty use (often 140A+), which means they can handle multiple accessories like fridges, winches, lights, and inverters simultaneously. Many generic isolators are rated lower, limiting what you can run safely.

Durability & Build Quality – True isolators are designed for off-road and harsh conditions. They usually have solid connectors, robust casings, and corrosion-resistant terminals, unlike cheaper models that may fail under vibration or weather.

Voltage Sensing & Protection – True units often include voltage-sensitive relays or smart circuitry that prevent your starter battery from being drained, automatically disconnecting loads when necessary. Cheaper isolators may not protect your starting battery as effectively.

Compatibility & Easy Installation – True isolators are designed to fit popular vehicles (like Ford, Toyota, Honda, Jeep) with minimal modifications. Other brands might require custom wiring or extra components.

How does it work?
The kit uses an intelligent battery isolator with PEP® (Power Excursion Protection) technology. This ensures the main battery is prioritized for starting, while the auxiliary battery powers accessories

 

Yes. The UTV-SBI-18 is specifically engineered for stator-based UTV systems, ensuring efficient charging without overloading the system.

Inclusions

True® Polaris RZR dual battery kit Includes:

  • 1-UTV-SBI-18 complete with insulators and 3M Dual Lock™
  • Number 6 (1-12″) Black cable with lugs
  • Number 6 (1-12″) Red cable with lugs
  • Number 6 (1-18″) support cable (red) with lugs
  • 36mm single meter dual display blue LED dual battery voltmeter (gauge)
  • 8 foot duplex wires with noncorrosive connectors
  • Printed installation instructions

 

Features

Product Features

Smart Battery Isolator (UTV-SBI-18)

  • Automatically connects/disconnects batteries based on voltage thresholds.
  • Protects the starter battery from accessory drain.
  • Passed all the QA systems with high-rating

PEP® Technology (Prioritized Energy Preservation)

  • Ensures the primary battery is always prioritized for engine starts.
  • Ideal for stator-based charging systems found in UTVs.

Dual Battery Monitoring

  • Includes a 36mm dual-display voltmeter with blue LED.
  • Real-time voltage readout for both batteries.

Waterproof & Shockproof Cables

  • Fully adhesive-sealed cables for rugged terrain and moisture-prone environments.
  • Built to withstand vibration and off-road abuse.

Complete Installation Kit

  • Includes red and black #6 gauge cables with 6mm lugs.
  • 3M Dual Lock™ mounting system and 8ft duplex wire with sealed connectors.

Compact & Versatile Design

  • Fits tight compartments in Polaris RZR, Ranger, and General models.
  • Can be mounted or suspended in cable harness.

Maintenance-Free Operation

  • No manual switching, no moving parts, no servicing required.
  • Set it and forget it reliability.

Wide Model Compatibility

  1. Works with Polaris RZR Trail, XP, Turbo R, Pro XP
  2. The best Polaris RZR dual battery kit fits for: Polaris RZR Trail, RZR Trail S, RZR XP, RZR Turbo R, RZR Pro R, RZR XP 4, RZR Pro XP 4, Ranger 570, Ranger 1000, Ranger XP 1000, Ranger XP Kinetic, Ranger Crew XP 1000, Waterfowl, Big Game, and NorthStar.

The first and original Polaris RZR PRO XP dual battery kit.  Take advantage of having maintenance-free technology from True® Inc.

Photos & Video

(2018 RZR Turbo) Installing a second battery with True Isolator!

 

RZR XP 1000 Light Bar and Accessories

 

RZR 800 Dual Battery Upgrade ( Odyssey 925 )

 

 

2016 rzr 900 mod true battery connect sold by 5397227 ebay score 1712

Shipping

  • 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

US, CANADA, AUSTRALIA

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