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Blue Sea Batterylink Automatic Charging Relay

SKU# BS7611
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Blue Sea Batterylink Automatic Charging Relay may require an additional to 2 days to ship.


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Item# 7611

Automatically shares single source of charge with Auxiliary Battery

Optional Auxiliary Battery Priority connection shares the alternator charge with the Auxiliary battery longer when the engine is running to allow the use of auxiliary loads for an extended period of time.

Remote LED remotely indicates ACR states - requires optional LED


  • 120 Amp continuous rating
  • 12/24V DC auto ranging voltage input
  • Senses charging on two battery banks
  • Side and bottom knockouts for cable connections
  • Clip-on cover insulates terminal connections
  • 78" (22 mm) stud length to accept multiple cable terminals
  • Integrated LED indicates ACR status
  • 14" × .032" male quick connect terminals for ground and optional features
  • Largest battery bank cannot exceed Group 27


  • Nominal Voltage:12V DC
  • 24V DC
  • Auxiliary Battery Priority: Yes
  • Amperage Operating Current:175mA 12V (Combine)
  • 115mA 24V (Combine)
  • 15mA (Open)
  • Continuous Rating: 120A
  • Intermittent Rating: 210A (5 min)
  • Maximum Cable Size: 1/0 AWG
  • Maximum Torque:140 in-lb (15.82 Nm)
  • Stud Material:Tinned Copper
  • Terminal Stud Size:3/8" - 16 (M10)

Relay Contact Position:

  • Combine 30 sec:13.6V 12V
  • 27.2V 24V
  • Combine 2 Min:13.0V 12V DC
  • 26.0V 24V DC
  • Over Voltage Lockout16.0V 12 V
  • 32.0V 24 V
  • Open Low12.75V 12 V
  • 25.5V 24 V

Auxiliary Priority

  • Open Low12.25V 12V
  • 24.5V 24V
  • Weight1.25lb (0.57 kg)