True® UTV-SBI-CMFB Dual Battery Isolator Connect, Monitor, Fuseblock Kit for UTVs
Price range: $159.98 through $179.98
The True® CMFB (Connect, Monitor, Fuse Block) Dual Battery Isolator Kit provides a complete, all-in-one power management system for your UTV/SxS. Featuring fully automatic Voltage Sensitive Relay (VSR) technology, real-time dual-voltage monitoring, and an integrated auxiliary fuse block, this IP65 waterproof dual battery management kit seamlessly charges a second battery while protecting your primary starting battery from getting drained off-road.
- New TRUE® 4-position 130amp max, 12/24/32volt fuse/distribution block with fuses
- UTV dual battery kit
- A single meter with dual display volt meter
Inclusions
- 1- UTV-SBI-18 with insulators
- 2- 3M Dual Lock™ for mounting the isolator
- 1- 12 inch #6 black cable with 6mm (1/4″) lugs
- 1- 12 inch #6 red (primary) cable with 6mm (1/4″) lugs
- 1- 18 inch #6 red (secondary) cable with 6mm (1/4″) lugs
- 1- 36mm Single Meter Dual Display blue LED volt meter
- 1- on/off relay and socket
- 8ft- duplex wire with connectors for meters
- 1- 4-position 120amp, power distribution box with 4-position for ATC blade fuses, 30amp max each.
- 4- ATC Blade fuses (1)5amp, (1)10amp, (1)15amp, (1)20amp.
- 1 year manufacturers warranty
- Made in the USA
- US Customer Support
- Instructions
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.
Features
- Integrated Fuse Block: Simplifies custom accessory wiring by providing a safe, clean, and centralized power hub for all secondary electronics.
- Real-Time Dual-Display Voltmeter: Features a bright blue LED dual display that mounts in your dash, allowing you to monitor both primary and auxiliary battery status at a glance.
- IP65 Weatherproof & Rugged: Engineered specifically for the extreme conditions of UTV off-roading. Dust-tight and resistant to low-pressure water jets and harsh trail vibrations.
- High Efficiency & Heat Reduction: Unlike old diode-style isolators that cause significant voltage drop and generate dangerous heat, the True® smart relay delivers 100% efficient charging without power loss.
- Plug-and-Play Installation: Includes pre-cut wiring harnesses, high-grade terminals, mounting hardware, and clear instructions—no complicated alternator modifications required.
| Weight | 16 oz |
|---|---|
| Location | USA, CANADA |






















