Why True Heavy-Duty Battery Isolator is perfect for Jeep?
If you’re building a dual battery setup for your Jeep, the True Heavy-Duty Battery Isolator is a standout choice for rugged reliability and smart power management. Here’s why it’s a perfect match:
🔋 Why It’s Ideal for Jeep Owners
- Smart Voltage-Sensitive Relay (VSR)
- Automatically connects batteries when charging voltage is present.
- Disconnects when voltage drops, protecting your cranking battery from accessory drain.
- Car Battery Isolators Explained: How to install on your car! walks through how VSRs work and why they’re essential for dual battery systems.
- Heavy-Duty Amp Handling
- Models like the TrueAm and BILLET4X4 HD isolators handle up to 140–200 amps, perfect for Jeeps running winches, fridges, and lights.
- Jeep JL Wrangler 2nd Battery – Secondary Battery Installation … shows a real-world install using the NVX BIR500 isolator, which handles high amp loads for demanding setups.
- Universal Fit & Easy Install
- Works with 12–36V DC systems and fits most Jeep models.
- Car Battery is always draining – Fixing it with a Battery Isolator … demonstrates how isolators solve parasitic drain issues common in Jeeps with aftermarket gear.
- Durability & Off-Road Readiness
- Epoxy-potted internals and corrosion-resistant finishes make it ideal for harsh environments.
- Designed to withstand vibration, heat, and moisture — perfect for trail rigs and overlanders.
Composition of a 12V Jeep dual battery kit
-
Click the image for True® Jeep Dual Battery Kit 1 Smart Battery Isolator Kit (SBI) with screws for attachment
- #6 high flex red wire with soldered copper cable lugs, 20 feet
- 3 feet #6 black wire with tinned copper cable lugs
- 2 positive battery contact ends forged from brass alloy
- 1 negative battery contact end produced from brass alloy
- 3 crimp-on plated copper cable lugs, loose
- 2 adhesive-lined shrink tube parts
- Water and corrosion proof
- The jeep xj dual battery kit has an nnti-vibration casing
Jeep Dual Battery Kit Setup Guide
- Installation diagram for 12v jeep dual battery wiring kit includes
- True® jeep wrangler dual battery kit authorized merchant
- USPS first class or priority mail is used for delivery.
Jeep Dual Battery Kit Explained: Do You Really Need One?
✅ Do You Really Need One?
You probably do if you:
- Run winches, fridges, lights, air compressors, or other gear while parked.
- Go off-grid camping or overlanding for extended periods.
- Want redundancy — a backup battery in case one fails.
But maybe not if you:
- Stick to day trips or light weekend outings.
- Don’t use power-hungry accessories.
- Prefer portable power stations (like the Dometic PLB40) instead of permanent installs.
Jeep Cherokee is a type of vehicle best for the long country to country drive. From a regular jeep model vehicle, the Cherokee model has evolved to a pull blown Sports Utility Vehicle. or SUV challenging various SUV’s manufactured Toyota, Mitsubishi, Wrangler, and Ford.
Despite of huge and high tech vehicle, the Jeep XJ still need dual battery isolator system to keep its battery powered while the driver is using all other electronics.
Because True® understands your desired to travel and enjoy the wilderness in the countryside in any weather condition, Heavy Duty dual battery kit for Cherokee Jeep is created for people who enjoy Do It Yourself technology.
True® DBK understands the need for a simple and easy to follow the instruction that is why we have Jeep dual battery kit suited for any type of Jeep.
Installing a Jeep Dual Battery Kit: Tips, Tricks & Common Pitfalls
Installing a dual battery kit in your Jeep is a smart upgrade for off-roaders, overlanders, and anyone running power-hungry accessories. Here’s a comprehensive guide with expert tips, common pitfalls, and video walkthroughs to make your install smooth and reliable.
🔧 Step-by-Step Installation Tips
Choose the Right Kit for Your Jeep Model
- For Jeep JK: Installation Instructions for the Jeep JK Dual Battery Kit walks through tray replacement, fuse box relocation, and wiring.
- For Jeep JL & Gladiator Gen 2: covers fuse box wiring, alternator cable install, and G-Screen setup.
- For Gen 3 systems: Jeep JL & Gladiator Gen 3 Dual Battery Kit Installation Guide details battery tray fitment, cable routing, and fuse box integration.
Prep the Engine Bay
- Remove the stock battery, air box, and fuse box carefully.
- Clean the area and check for corrosion or loose wiring.
Install the Battery Tray
- Use existing mounting points when possible.
- Episode 433 – Our Genesis Offroad Dual Battery Kit Install | TIPS shares real-world insights on tray alignment and bolt torque.
Wire the Batteries and Isolator
- Label wires before disconnecting.
- Use high-quality connectors and fuse blocks.
- Dual Battery Setup EVERYONE should fit! EASY DIY 12V Tips explains grounding, fusing, and charger selection.
Test the System
- Check voltage at both batteries.
- Confirm isolator functionality and accessory power routing.
Now visit this instruction for more installation details.
This Jeep xj dual battery kit can be applied to any Cherokee Jeep models.
If you’ve added auxiliary accessories like winches, additional lights, or other power-hungry components to your Jeep Cherokee XJ, a Jeep battery isolator can be beneficial. It allows you to use a secondary battery for these accessories without risking draining the primary battery used for starting the vehicle. This jeep tj dual battery kit is especially common in off-road vehicles and overlanding rigs.
