True® Land Rover Discovery Dual Battery Kit
Engineered specifically for Land Rover vehicles, this kit ensures seamless integration with factory systems while delivering robust auxiliary power for winches, fridges, lights, and other high-demand accessories.
True® Land Rover Defender Dual Battery Kit
Features a 140 Amp Voltage Sensitive Relay (VSR) that prioritizes charging your starter battery, automatically switching to charge the auxiliary battery once optimal voltage is reached. Includes high-flex tinned copper cables, brass alloy terminals, shrink tubing, and mounting hardware — everything needed for a clean, professional install.
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Why Choose True® Isolator
- OEM-Safe Integration
Plug‑and‑play installation—no alternator or ignition wiring, preserving factory integrity and warranty compliance. - Smart Dual Voltage Sensing
Intelligent sensing system that engages or isolates batteries based on real‑time charge levels for optimal efficiency. - Automatic Power Management
Automatically manages power flow between starter and auxiliary batteries, ensuring reliable starts and uninterrupted accessory use.
Testimonials
I recently installed a Land Rover Discovery dual battery kit and couldn’t be happier with the results. The system powers my fridge, lights, and charging devices without affecting the starter battery. Installation was straightforward, and the automatic battery management works perfectly. After several camping trips and off-road adventures, the Land Rover Discover Dual battery kit has proven to be reliable and efficient.”
“The Land Rover Discovery dual battery kit has exceeded all my expectations. I needed a dependable power solution for extended touring, and this kit delivered. It keeps my auxiliary battery charged while protecting the main battery from discharge.
Austine Jones
ARIZONA
“I installed the Land Rover Defender dual battery kit before a three-week overlanding trip, and it performed flawlessly from start to finish. We ran a portable fridge, camp lighting, air compressor, and multiple charging devices every day without any concerns about draining the starter battery.
The system automatically managed power distribution, making it completely hassle-free to use. The quality of the components is excellent, and the installation process was straightforward. If you own a Defender and need reliable auxiliary power, the land rover defender dual battery kit is an upgrade I highly recommend.”
COLORADO
Ready to Install
Designed for convenience, every Land Rover dual battery kit includes the necessary components and detailed fitting instructions. Installation is fast, secure, and DIY-friendly, helping you get everything mounted and ready for use with minimal effort.
Engineered for Tough Conditions
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Frequently Asked Questions
Does installing this kit void my factory warranty?
Why does the LED stay on after the engine is turned off?
Can I mount it without drilling holes?
Yes. The 2015 or 2018 Silverado dual battery kit includes 3M Dual Lock™, allowing you to mount the unit securely without screws. It can also be left suspended if preferred.
Can I mount it without drilling holes?
The kit works with most 12V battery types (AGM, gel, standard lead-acid). It is not recommended for lithium batteries unless specified.
What is P.E.P.® (Proprietary Efficiency Programming)?
- P.E.P.® is TrueAm’s smart logic that optimizes battery protection and charging efficiency.
- It ensures the Land Rover second battery kit only connects when safe and beneficial for both batteries
Does it regulate charging amps?
- No, the SBI doesn’t regulate amperage. That’s handled by your alternator and voltage regulator.
- The SBI simply controls when the second battery is connected based on voltage thresholds.
Can I manually override or shut it off?
- The male connector underneath can be wired for remote shutoff.
- Inline switches are optional but not required—SBI handles disconnection automatically.
How do I monitor battery status?
- Optional Single Meter Dual Display (SMDD) shows real-time voltage for both batteries.
- Saves space and simplifies monitoring
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