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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 120A
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 too low (9.5V for 12V systems, 19V for 24V systems)
Durable design IP67 waterproof, ignition protected, safe for marine and RV applications
Specifications:
Continuous Rating: 120 Amps
Intermittent Rating: 140 Amps
Max Voltage: 48VDC
Cable Size: 4/0 AWG
Applications:
Boats dual battery systems (starter + house)
Sailboats navigation and lighting batteries
Fishing boats trolling motor and accessory battery protection
Bluewater 9800-7101-00 Auto Charging Relay automatically manages battery charging in 12-volt electrical systems, helping boat owners maintain efficient charging and protect connected batteries. Designed for marine and RV applications, this 140-amp automatic charging relay supports dual-battery setups such as starter and house battery systems, navigation and lighting batteries, and trolling motor accessory batteries.
The relay automatically connects batteries during charging and isolates them when voltage drops, helping manage battery power without requiring manual switching. Start Isolation temporarily disconnects house loads during engine cranking to help protect sensitive electronics. Dual-color LED indicators provide real-time status information for Fault, Charging, Discharging, Combine, Start Isolation, and Override modes, making system operation easier to monitor.
With support for alternators up to 120 amps, the Bluewater auto charging relay is suited to high-output charging systems. Under Voltage Lockout prevents the relay from closing when battery voltage is too low, with thresholds of 9.5 volts for 12-volt systems and 19 volts for 24-volt systems. Its IP67 waterproof and ignition-protected design is intended for demanding marine and recreational vehicle environments.
Key Features:
Automatic battery management: Connects batteries during charging and isolates them when voltage drops.
Start Isolation: Temporarily disconnects house loads during engine cranking to help protect sensitive electronics.
High-output support: Compatible with alternators up to 120 amps.
Dual-color LED indicators: Shows Fault, Charging, Discharging, Combine, Start Isolation, and Override status.
Under Voltage Lockout: Prevents relay closure when voltage is below the specified threshold.
Marine-ready construction: IP67 waterproof and ignition protected for marine and RV applications.
Product Details:
Brand: Bluewater
Model: 9800-7101-00
Product type: Automatic charging relay
System voltage: 12 volts
Continuous rating: 120 amps
Intermittent rating: 140 amps
Maximum voltage: 48 VDC
Cable size: 4/0 AWG
Intended use: Boats, sailboats, fishing boats, and RV applications
Choose the Bluewater 9800-7101-00 Auto Charging Relay for organized, automatic battery management in compatible 12-volt marine and recreational vehicle systems.
SEO Meta Description: Bluewater 12V auto charging relay with 140-amp intermittent rating, Start Isolation, LED status indicators, and IP67 protection for marine systems.
It worked as is described and it got my uncle‘s fridge back up and running perfectly
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No option for zero stars. I ordered a roll of 6 awg duplex wire and they drop shipped me a cheap, completely unrelated item. Nobody answers emails or the phone.
