Sale!
![Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/mastervolt-battery-mate-1602-ig-isolator-120-amp-2-bank-83116025.webp)
Mastervolt Battery Mate 1602 IG Isolator – 120 Amp, 2 Bank [83116025]
Original price was: $224.79.$131.53Current price is: $131.53.
Sale!
![Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/mastervolt-battery-mate-2503-ig-isolator-200-amp-3-bank-83125035.webp)
Mastervolt Battery Mate 2503 IG Isolator – 200 Amp, 3 Bank [83125035]
Original price was: $299.19.$231.67Current price is: $231.67.
Sale!
![ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/promariner-battery-isolator-1-alternator-2-battery-70-amp-11072.webp)
ProMariner Battery Isolator – 1 Alternator – 2 Battery – 70 AMP [11072]
Original price was: $127.19.$81.53Current price is: $81.53.
Sale!
![ProMariner Battery Isolator - 130 AMP - 1 Alternator - 2 Battery [11132]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/promariner-battery-isolator-130-amp-1-alternator-2-battery-11132.webp)
ProMariner Battery Isolator – 130 AMP – 1 Alternator – 2 Battery [11132]
Original price was: $177.59.$97.44Current price is: $97.44.
Sale!
![ProMariner Battery Isolator - 130 AMP - 1 Alternator - 3 Battery [11133]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/promariner-battery-isolator-130-amp-1-alternator-3-battery-11133.webp)
ProMariner Battery Isolator – 130 AMP – 1 Alternator – 3 Battery [11133]
Original price was: $231.99.$140.93Current price is: $140.93.
Sale!
![ProMariner Battery Isolator - 130 AMP - 2 Alternator - 2 Battery [12132]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/promariner-battery-isolator-130-amp-2-alternator-2-battery-12132.webp)
ProMariner Battery Isolator – 130 AMP – 2 Alternator – 2 Battery [12132]
Original price was: $363.99.$288.57Current price is: $288.57.
Sale!
![ProMariner Battery Isolator - 130 AMP - 2 Alternator - 3 Battery [12133]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/promariner-battery-isolator-130-amp-2-alternator-3-battery-12133.webp)
ProMariner Battery Isolator – 130 AMP – 2 Alternator – 3 Battery [12133]
Original price was: $573.00.$427.83Current price is: $427.83.
Sale!
![ProMariner Battery Isolator - 2 Alternator - 3 Battery - 70 AMP [12073]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/promariner-battery-isolator-2-alternator-3-battery-70-amp-12073.webp)
ProMariner Battery Isolator – 2 Alternator – 3 Battery – 70 AMP [12073]
Original price was: $272.79.$183.97Current price is: $183.97.
Sale!
ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat – 12V
Original price was: $202.39.$132.84Current price is: $132.84.
Sale!
![ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat - 12V [23121]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/promariner-proisocharge-battery-isolator-120amp-1-alt-2-bat-12v-23121.webp)
ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 2-Bat – 12V [23121]
Original price was: $93.59.$66.54Current price is: $66.54.
Sale!
ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 3-Bat – 12V
Original price was: $217.59.$160.15Current price is: $160.15.
Sale!
![ProMariner ProIsoCharge Battery Isolator 120Amp 1-Alt 3-Bat - 12V [23124]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/promariner-proisocharge-battery-isolator-120amp-1-alt-3-bat-12v-23124.webp)