Bluewater
Bluewater 9800-7101-00 Auto Charging Relay 12v, 140 Amp
- SKU:
- 21326639
- MPN:
- 9800-7101-00
- Availability:
- Usually ships the same or next business day. In stock at our FL, NJ warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 03/04/2026 07:19:02 AM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $71.90 each 71.9 |
| Buy 3 | and pay only $69.46 each 69.46 |
| Buy 4 - 8 | and pay only $68.28 each 68.28 |
| Buy 9 or above | and pay only $66.36 each 66.36 |
- Stock Update:
- 03/04/2026 07:19:02 AM PST
Description
This item is brand-new, factory sealed.
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
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Bluewater 9800-7101-00 Auto Charging Relay 12v, 140 Amp
$78.56