🔄
Skip to content
Contact us for all of your boating/fishing needs! ⛵
Contact us for all of your boating/fishing needs! ⛵
Shipping Policy Return and Refund Policy Payment Policy Privacy Policy Terms of Service Contact Us About Us
Bluewater Auto Charging Relay 12V 140 AMP 9800710100

Bluewater Auto Charging Relay 12V - 140 AMP [9800-7101-00]

Authorized Bluewater Dealer
Genuine Product
$0.00 - $0.00
$0.00
$77.91
$77.91 - $77.91
$77.91
Questions? Just Call. U.S. based expert support. +1 (346) 385-4984
Availability:
5+ in stock, ready to be shipped
Why Choose Boating Tools?
Trusted • U.S.-Based
  • Ships today or tomorrow (in-stock items)
  • Ships from U.S. warehouse with tracking
  • FREE shipping on orders $75+
  • No sales tax (excluding Texas)
    • U.S. expert support: +1 (346) 385-4984
    Mon–Fri 9AM–5PM CST

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 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

Specifications:

  • Continuous Amperage: 120
  • Box Dimensions: 3"H x 4"W x 6"L WT: 0.86 lbs
  • UPC: 810196331235

Quick Guide (PDF)

Brochure (PDF)

Estimated Delivery Time: 1-7 business days.

  • Orders placed before 1PM CST will ship the same day. All other orders will ship the next day.
  • Transit Time: 1-6 business days

Click here to view our full Shipping Policy.

Returns accepted within 30 days.

  • Items must be new, unused, and in original packaging.
  • Returned merchandise may be subject to a restocking fee of up to 15%

Click here to view our full Return & Refund Policy.
Offer quality marine equipment from trusted brands and treat customers the way we'd want to be treated.
Boating Tools — Our Mission

Have a question? Just call us.

A real human from the U.S. will answer. We can help you pick the right gear, talk through compatibility, or work out pricing. If we miss your call, leave a voicemail and we'll get back to you.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare