Automatic Charging Relays BatteryLink

BatteryLink™ Automatic Charging Relay - 12V/24V DC 120A

Automatically shares single source of charge with Auxiliary Battery
  • 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
  • 7∕8" (22 mm) stud length to accept multiple cable terminals
  • Integrated LED indicates ACR status
  • 1∕4" × .032" male quick connect terminals for ground and optional features
  • Largest battery bank cannot exceed Group 27
Optional Features
  • 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
MSRP: $124.99
Where to Buy Find a TECH Installer Compare
Nominal Voltage12V DC
24V DC
Auxiliary Battery Priority Yes
Amperage Operating Current175mA @ 12V (Combine)
115mA @ 24V (Combine)
15mA (Open)
Continuous Rating 120A
Intermittent Rating 210A (5 min)
Maximum Cable Size1/0 AWG
Maximum Torque140 in-lb (15.82 Nm)
Stud MaterialTinned Copper
Terminal Stud Size3/8" - 16 (M10)
Relay Contact PositionSPEC_HEADER
Combine 30 sec13.6V @ 12V
27.2V @ 24V
Combine 2 Min13.0V @ 12V DC
26.0V @ 24V DC
Open Low12.75V @ 12 V
25.5V @ 24 V
Overvoltage Lockout16.0V @ 12 V
32.0V @ 24 V
Auxiliary PrioritySPEC_HEADER
Open Low12.25V @ 12V
24.5V @ 24V
Weight1.25lb (0.57 kg)
Meets the following Regulatory Specifications
CE Marked
Ignition Protected
ISO 8846
SAE J1171
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