Description
Bluewater Auto Charging Relay 12V – 140 AMP – Marine Boat Replacement Part is organized for ignition & electrical engine parts shoppers who need a clear, professional marine parts buying experience.
Auto Charging Relay 12V – 140 AMP The automatic charging relay (ACR) automatically manages battery charging to ensure maximum efficiency and protect your batteries. Features: Automatic battery management – connects batteries during charging and isolates them when the voltage drops Start Isolation (SI) – protects sensitive electronics during engine cranking by temporarily disconnecting house loads (indicated by a slow-flashing yellow LED) High-output support – compatible with alternators up to 120 A Dual-color LEDs – provide real-time battery status: Fault, Charging, Discharging, Combine, SI, and Override modes Under Voltage Lockout – prevents the relay from closing when battery voltage is
Fitment & Product Details
- Brand / Manufacturer: Bluewater
- Voltage: 12V, 24V
- Color: yellow
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- Built for boat owners, e-commerce shoppers, and professional marine service teams.






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