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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
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Description
Bluewater Auto Charging Relay 12V - 140 AMPAuto 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
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 6"W x 9"L WT: 0.85 lbs
- UPC: 810196331235
Quick Guide (pdf)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Genuinely the best out there
Style: Trifold
Wow! I am so impressed with the quality and size of this wallet. I searched hard for a genuine leather trifold and this one exceeded expectations. My boyfriend loves it and I can tell it is going to hold up. After he started wearing it in, the smell of the leather really came out. Im very happy with this choice!
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Protection
Problems with copying the the protection plan.
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Reviewed in the United States on July 4, 2024
★★★★★ 5
Muy bueno
Garantía
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Reviewed in the United States on October 24, 2024
★★★★★ 5
Incredible quality leather—built like a tank!
Color: Carhartt Brown (Trifold), Color: Carhartt Brown (Trifold)
I am incredibly impressed with this Carhartt wallet. Right out of the box, you can tell the full-grain brownish saddle leather is top notch quality. It has a great weight to it, feels incredibly durable, and has that authentic, premium leather smell. The stitching around the edges is heavy-duty and tight, so I don't see this fraying anytime soon.It holds all my cards and cash perfectly without getting uncomfortably bulky in my pocket, and the built-in RFID blocking gives me great peace of mind. It’s starting to break in beautifully and develop a nice patina already. If you want a rugged, functional wallet made from actual good materials that will last for years, this is absolutely worth it. Highly recommend!
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Good Buy
Color: Carhartt Brown (Trifold), Color: Carhartt Brown (Trifold)
Really pleased with it like the leather and quality of the way it's made it holds my cards well for the money I'm very happy
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Reviewed in the United States on May 15, 2026