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NVX BIR500 500A Battery Relay Isolator and Relay

NVX ★ 3.7/5 · ItemOracle Score Mid-Range

$80 USD
Price subject to change
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NVX BIR500 500 AMP Battery Relay Isolator and Relay for Cars, RVs, ATVs, UTVs, and Boats.

NVX BIR500 is a 500 A continuous/700 A surge battery relay isolator for automotive and marine use, suited for audio systems. Customers note easy installation and solid build, with some concerns about durability and voltage drop

Highlights

  • 500 A continuous / 700 A surge
  • low draw when on
  • 12-16 VDC switching range

Pros

  • high amp capacity (500 A continuous)
  • low draw when on
  • easy installation
  • solid build quality
  • suitable for audio system applications

Cons

  • durability concerns with some reports of breakage
  • mixed feedback on voltage range and voltage drop

Best For

  • vehicles with high-current audio systems
  • boats requiring battery isolation
  • RVs and campers with auxiliary battery systems
  • ATVs/UTVs needing battery isolation
  • mobile electronics power management

Features

  • Delivers 500 Amps continuous power at 12V for reliable operation
  • Handles 700 Amps surge capacity to manage peak loads
  • Operates with switching power between 10 and 16 VDC
  • Draws less than 1 A when activated for efficient use
  • Serves as a mobile audio relay and battery isolator for vehicles

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