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NVX dual sensing smart relay battery isolator 200A

NVX ★ 3.5/5 · ItemOracle Score Mid-Range

$50 USD
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NVX XSBI200 Dual Sensing Smart Relay Battery Isolator Microprocessor-Controlled 200 Amp

Microprocessor-controlled dual sensing battery isolator rated for 200A continuous/300A surge. Keeps second battery isolated without voltage drop. Some customers report mixed reliability after installation

Highlights

  • dual sensing smart relay
  • 200 amp continuous power
  • low draw when on

Pros

  • microprocessor-controlled operation
  • dual sensing for second battery isolation
  • no voltage drop to second battery
  • compact dimensions

Cons

  • mixed durability and reliability reports
  • some users report battery drain or failure after use
  • terminals reported breaking under pressure

Best For

  • second battery isolation for stereo system
  • marine or RV battery management
  • split charging between main and auxiliary battery
  • vehicles needing dedicated accessory power
  • systems needing low-on-power draw when on

Features

  • Microprocessor-controlled dual-sensing relay with 200 A continuous and 300 A surge capacity
  • Isolates a second battery for dedicated stereo power without causing voltage drop
  • Operating range 10–16 V DC; consumes less than 1 A when active
  • Power handling: 200 A at 12 V continuous; 300 A surge; compact dimensions 2-3/8 W x 2-3/8 D x 3-3/4 H

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