Polaris RZR Dual Battery Kit
TrueAM UTV Dual Battery Kit with Isolator & Battery Options (Polaris RZR)
Add a second battery to your UTV and monitor the health of both with the TrueAM dual battery connection and monitoring kit. This complete system includes the TrueAM UTV-SBI-18 isolator, wiring, relay components, and your choice of AGM battery so you can power accessories without worrying about draining your starting battery.
Key Features
- Safely add an auxiliary battery for accessories
- Protect your primary starting battery
- Smart isolator automatically charges both batteries while running
- Optional dual voltage meter for real-time battery monitoring
- Designed specifically for Polaris RZR applications
What’s Included
- (1) TrueAM UTV-SBI-18 Battery Isolator with Insulators and 3M Dual Lock™
- (1) 12" #6 Black Cable with 6mm (1/4") lugs
- (1) 12" #6 Red (Primary) Cable with 6mm (1/4") lugs
- (1) 18" #6 Red (Secondary) Cable with 6mm (1/4") lugs
- On/Off Relay and Socket
Battery options available at checkout:
- Full Throttle FT410 AGM Battery
- Interstate FAYIX30L Factory Activated AGM Battery
Full Throttle FT410 Battery Specifications
- Voltage: 12V
- Cold Cranking Amps (CCA): 410
- Reserve Capacity: Approx. 40 minutes
- Amp Hour Rating: 18Ah
- High Vibration Resistance for Off-Road Use
Interstate FAYIX30L Battery Specifications
- Voltage: 12V
- Cold Cranking Amps (CCA): 385
- Factory Activated AGM
- Maintenance Free
Optional Dual Display Volt Meter
Upgrade your kit with a 36mm single meter dual display blue LED volt meter and 8-foot duplex wire harness. This allows you to monitor both batteries at a glance and prevent over-discharge while using accessories.
Vehicle Fitment
- 2014–2021 Polaris RZR XP 1000
- All 2015–2021 Polaris RZR Models
Why Add a Second Battery?
A dual battery setup allows you to run lights, stereo systems, GPS units, radios, and winches without risking your ability to start your machine. Accessories are wired to the auxiliary battery so when the vehicle is off, they draw from that battery instead of your primary starting battery.
When the engine is running, the TrueAM isolator automatically connects both batteries so your charging system can recharge them. This setup is ideal for camping, night rides, trail repairs, and heavy winch use where reliable voltage matters.