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Battery isolator 12V kit with 140A dual relay

POWO Carlife ★ 3.7/5 · ItemOracle Score Mid-Range

$70 USD
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Battery Isolator 12V Kit 140Amp Split Charge Relay with 20ft 6AWG Wiring Cable Kit, Automatic Dual Battery Isolator Kit Voltage Sense Relay for Marine, ATV, UTV, RV, Car

Dual battery isolator kit with voltage-sensing relay and 20ft 6AWG wiring. Supports keeping auxiliary batteries charged while protecting the primary. Customers cite easy installation and reliable charging, with mixed experiences on functionality

Highlights

  • voltage-sensitive cut-in at 13.3V
  • voltage cut-out at 12.8V
  • 20ft 6AWG wiring included

Pros

  • easy to install
  • protects primary battery by voltage sensing
  • includes long wiring harness
  • weather-protected housing
  • robust relay construction

Cons

  • mixed reports on functionality
  • some users say it doesn't work as expected

Best For

  • marine power systems
  • ATV/UTV electrical setups
  • RV auxiliary battery charging
  • car dual-battery configurations
  • camping or remote deployments
  • heavy-duty vehicle installations

Features

  • Rugged dual battery isolator with silicone-sealed interior protects circuitry
  • Voltage-sensing cut-in at 13.3V and cut-out at 12.8V for battery protection
  • LED indicators on the relay panel show ON/OFF status

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