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

• Search-optimized by brand, system, part type, and fitment cues.
• Verify compatibility with your original part number, engine model, and application before ordering.
• Built for boat owners, e-commerce shoppers, and professional marine service teams.