500 Amp Battery Isolator Relay 12V for Mobile Audio, Marine, Off-Road, RV 500A Continuous Battery Isolator Relay Kit

★★★★☆ 4.0 57 reviews

$35.99
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$35.99
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 212756163 Release Date 2026/04/06 List Price $14.40 Model Number 212756163
Category
  • 【Signification】:100,000 mechanical cycle life; 500A constant. Designed for any multi-battery setup: marine boats, off-road vehicles, car audio competitions, RVs, and emergency vehicles. Perfect for isolating a second battery powering audio, navigation, lights, or inverters
  • 【Package Includes】:1 x 500 Amp 12V Relay Battery Isolator.1 x 500A 12V Battery Isolator. Experience 500A continuous current (12V) and 700A surge peaks. Unlike diode isolators that cause voltage drop, our relay delivers full alternator voltage to your auxiliary battery—so subwoofers hit harder, winches pull stronger. No sag, no loss—pure power on demand
  • 【Smart Dual Battery Management】:Our 500A smart isolator automatically connects batteries when the engine starts for alternator charging, and disconnects when off—protecting your main battery from drain. Perfect for overnight camping with a fridge or a beach party with loud music; your starter battery stays fully charged and ready to go
  • 【Plug-and-Play Installation】:Designed for DIYers and pros. Compact footprint fits tight engine bays. Wiring is simple: heavy terminals for main/auxiliary batteries, small terminals for ground and ignition. Add a second battery for auxiliary lights or upgrade boat audio without complex diagrams
  • 【Warmly note】:1 year maintenance period.Please verify your vehicle's exact model and match the OE number We're here to help you get the right part the first time
Brand Name Kaloeou
Part Number 500 Amp Battery Isolator 12V
Coil Voltage 12 Volts
Contact Type Normally Open
Manufacturer Kaloeou
Mounting Type Panel Mount
Connector Type Screw
Current Rating 500 Amps
Operation Mode Battery
Included Components 1
Contact Current Rating 500 Amps
Maximum Switching Voltage 12 Volts
Minimum Switching Voltage 12 Volts

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57 ratings | 23 reviews
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