![Bluewater Auto Charging Relay 12V - 140 AMP [9800-7101-00]](https://cdn.shopify.com/s/files/1/0855/3916/0358/files/111083XL.jpg?v=1760416015)
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
Bluewater Auto Charging Relay 12V - 140 AMP [9800-7101-00]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
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)
Brochure (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 2028 reviews
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Product Reviews
★★★★★ 5
Back sleeper here
Size: Standard
So since they were listed as down alternative, I was interested to see if they had that artificially puffy feel to them. They do get puffed up really well after a day. And the fabric is cool and comfortable. I do feel like these have good quality stuffing and the cover feels nice. I'm a back sleeper and it's just the right amount of bulk under my neck. I usually bunch the pillow up a little bit there so there's a little more pressure under my neck but with these it just felt good to lay on it without having to bunch it up in any special way. So I would definitely recommend them. So far I'm really liking having these pillows.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Nice and Fluffy
Size: Standard
These "down alternative" pillows have been a winner for me. Came two to a package and once they have a couple of days our of the vacuum packaging are nice and fluffy with no noticable odor. Just the right amount of "spring" to them for my taste. Also don't overheat my face/neck as traditional down pillows sometimes have.
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Hotel Grand Set of 2 pillows
Size: King
Excellent quality and comfort. The pillows are soft but with the perfect support, ideal for any sleeping position. They feel fresh thanks to the cotton cover and keep their shape very well. Without a doubt, a great purchase for a hotel-like break at home.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Highly recommend
Size: King
These pillows are super comfortable and feel just like hotel quality. They’re soft but still give great support for my neck and head. I’ve been sleeping much better since I got them.
They stay fluffy and don’t go flat, and the material feels nice and cool. Definitely a great purchase
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Perfect Comfort Every Night 💤
Size: King
Super comfy pillows! Perfect mix of soft and supportive, and they don’t go flat. Sleep feels way better—definitely recommend 😊
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Reviewed in the United States on April 2, 2026