Sale!
![Newmar 1-3-165 Battery Isolator [1-3-165]](https://www.boatingfishingzone.com/wp-content/uploads/2026/09/newmar-1-3-165-battery-isolator-1-3-165.webp)
Newmar 1-3-165 Battery Isolator [1-3-165]
Original price was: $309.59.$223.82Current price is: $223.82.
Sale!
![Newmar 1-3-70 Battery Isolator [1-3-70]](https://www.boatingfishingzone.com/wp-content/uploads/2026/09/newmar-1-3-70-battery-isolator-1-3-70.webp)
Newmar 1-3-70 Battery Isolator [1-3-70]
Original price was: $158.39.$79.32Current price is: $79.32.
Sale!
![Newmar 2-3-120 Battery Isolator [2-3-120]](https://www.boatingfishingzone.com/wp-content/uploads/2026/09/newmar-2-3-120-battery-isolator-2-3-120.webp)
Newmar 2-3-120 Battery Isolator [2-3-120]
Original price was: $331.19.$244.48Current price is: $244.48.
Sale!
![Newmar 2-3-70 Battery Isolator [2-3-70]](https://www.boatingfishingzone.com/wp-content/uploads/2026/09/newmar-2-3-70-battery-isolator-2-3-70.webp)
Newmar 2-3-70 Battery Isolator [2-3-70]
Original price was: $247.19.$175.14Current price is: $175.14.
Sale!
![Newmar GI-30-FS Galvanic Isolator 30A Fail Safe [GI-30-FS]](https://www.boatingfishingzone.com/wp-content/uploads/2026/09/newmar-gi-30-fs-galvanic-isolator-30a-fail-safe-gi-30-fs.webp)
Newmar GI-30-FS Galvanic Isolator 30A Fail Safe [GI-30-FS]
Original price was: $212.79.$113.82Current price is: $113.82.
Sale!
![Newmar GI-60-FS Galvanic Isolator 60A Fail Safe [GI-60-FS]](https://www.boatingfishingzone.com/wp-content/uploads/2026/09/newmar-gi-60-fs-galvanic-isolator-60a-fail-safe-gi-60-fs.webp)
Newmar GI-60-FS Galvanic Isolator 60A Fail Safe [GI-60-FS]
Original price was: $279.19.$152.90Current price is: $152.90.
Sale!
ProMariner Battery Isolator – 1 Alternator – 2 Battery – 70 AMP [11072
Original price was: $75.99.$52.28Current price is: $52.28.
Sale!
ProMariner Battery Isolator – 1 Alternator – 2 Battery – 70 AMP [11072]
Original price was: $79.99.$42.32Current price is: $42.32.
Sale!
![ProMariner Battery Isolator - 130 AMP - 1 Alternator - 2 Battery [11132]](https://www.boatingfishingzone.com/wp-content/uploads/2026/09/promariner-battery-isolator-130-amp-1-alternator-2-battery-11132.webp)
ProMariner Battery Isolator – 130 AMP – 1 Alternator – 2 Battery [11132]
Original price was: $107.19.$59.63Current price is: $59.63.
Sale!
![ProMariner Battery Isolator - 130 AMP - 1 Alternator - 3 Battery [11133]](https://www.boatingfishingzone.com/wp-content/uploads/2026/09/promariner-battery-isolator-130-amp-1-alternator-3-battery-11133.webp)
ProMariner Battery Isolator – 130 AMP – 1 Alternator – 3 Battery [11133]
Original price was: $139.19.$98.51Current price is: $98.51.
Sale!
ProMariner Battery Isolator – 130 AMP – 2 Alternator – 2 Battery [1213
Original price was: $215.99.$128.33Current price is: $128.33.
Sale!
![ProMariner Battery Isolator - 130 AMP - 2 Alternator - 2 Battery [12132]](https://www.boatingfishingzone.com/wp-content/uploads/2026/09/promariner-battery-isolator-130-amp-2-alternator-2-battery-12132.webp)