Skip to content

Home
Product Categories
FSM SWAG!
Contact
- Contact Us!
- Do not sell or share my personal information
About us!

Facebook
Instagram
TikTok

Search

Home
Product Categories
FSM SWAG!
Contact
- Contact Us!
- Do not sell or share my personal information
About us!

Search

Item added to your cart

View cart

FREE SHIPPING ON ORDERS OVER 100.00$ USE CODE: FREESHIP100

Welcome to our store

Welcome to First Stop Marine, Your one stop shop for all of your boating needs and more!

Family Owned and Operated

Collection: Electrical - Battery Isolators

Filter and sort Filter

Filter and sort

Filter

49 products

Availability

In stock (49 products)
Out of stock (0 products)

Clear

Price

The highest price is $515.99

$

From

$

To

Clear

Brand

Analytic Systems (1 products)
ARCO Marine (9 products)
Mastervolt (3 products)
Newmar Power (7 products)
Pacer Group (1 products)
ProMariner (15 products)
Sea-Dog (1 products)
Victron Energy (12 products)

Clear

Product type

Battery Isolators (49 products)

Clear

More filters

1st Class Eligible (1 products)
Brand_Analytic Systems (1 products)
Brand_ARCO Marine (9 products)
Brand_Mastervolt (3 products)
Brand_Newmar Power (7 products)
Brand_Pacer Group (1 products)
Brand_ProMariner (15 products)
Brand_Sea-Dog (1 products)
Brand_Victron Energy (12 products)
Clearance (3 products)
Electrical (49 products)
Electrical | Battery Isolators (49 products)
MRP (12 products)
Restricted From 3rd Party Platforms (12 products)
Specials (3 products)

Clear

Sort by:

Remove all

Sort by:

49 products

ProMariner Battery Isolator - 130 AMP - 2 Alternator - 3 Battery [12133]

Sale

ProMariner Battery Isolator - 130 AMP - 2 Alternator - 3 Battery [12133]

Vendor:
ProMariner

Regular price $399.99 USD

Regular price ~~$666.99 USD~~ Sale price $399.99 USD
Unit price per

Sale
ARCO Marine BI-2703 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-2703]

Sale

ARCO Marine BI-2703 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-2703]

Vendor:
ARCO Marine

Regular price $226.99 USD

Regular price ~~$269.75 USD~~ Sale price $226.99 USD
Unit price per

Sale
ARCO Marine BI-1202 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-1202]

Sale

ARCO Marine BI-1202 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-1202]

Vendor:
ARCO Marine

Regular price $148.99 USD

Regular price ~~$175.38 USD~~ Sale price $148.99 USD
Unit price per

Sale
Newmar 2-3-120 Battery Isolator [2-3-120]

Sale

Newmar 2-3-120 Battery Isolator [2-3-120]

Vendor:
Newmar Power

Regular price $515.99 USD

Regular price ~~$554.00 USD~~ Sale price $515.99 USD
Unit price per

Sale
ARCO Marine BI-1602 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-1602]

Sale

ARCO Marine BI-1602 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-1602]

Vendor:
ARCO Marine

Regular price $186.99 USD

Regular price ~~$221.61 USD~~ Sale price $186.99 USD
Unit price per

Sale
ARCO Marine BI-1203-3A Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-1203-3A]

Sale

ARCO Marine BI-1203-3A Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-1203-3A]

Vendor:
ARCO Marine

Regular price $215.99 USD

Regular price ~~$256.55 USD~~ Sale price $215.99 USD
Unit price per

Sale
ARCO Marine BI-3203 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-3203]

Sale

ARCO Marine BI-3203 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-3203]

Vendor:
ARCO Marine

Regular price $381.99 USD

Regular price ~~$451.21 USD~~ Sale price $381.99 USD
Unit price per

Sale
ARCO Marine BI-0702 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-0702]

Sale

ARCO Marine BI-0702 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-0702]

Vendor:
ARCO Marine

Regular price $89.99 USD

Regular price ~~$110.65 USD~~ Sale price $89.99 USD
Unit price per

Sale
ARCO Marine BI-3202 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-3202]

Sale

ARCO Marine BI-3202 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-3202]

Vendor:
ARCO Marine

Regular price $314.99 USD

Regular price ~~$373.08 USD~~ Sale price $314.99 USD
Unit price per

Sale
ARCO Marine BI-0702-4 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-0702-4]

Sale

ARCO Marine BI-0702-4 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-0702-4]

Vendor:
ARCO Marine

Regular price $89.99 USD

Regular price ~~$108.80 USD~~ Sale price $89.99 USD
Unit price per

Sale
ARCO Marine BI-1603 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-1603]

Sale

ARCO Marine BI-1603 Battery Isolator f/10-350A Alternators on 12, 24 or 32V Negative Ground Systems [BI-1603]

Vendor:
ARCO Marine

Regular price $271.99 USD

Regular price ~~$315.14 USD~~ Sale price $271.99 USD
Unit price per

Sale
Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]

Sale

Mastervolt Battery Mate 1602 IG Isolator - 120 Amp, 2 Bank [83116025]

Vendor:
Mastervolt

Regular price $379.99 USD

Regular price ~~$439.56 USD~~ Sale price $379.99 USD
Unit price per

Sale
Victron Argodiode Battery Isolator 80-2AC - 2 Batteries - 80A [ARG080201000]

Sale

Victron Argodiode Battery Isolator 80-2AC - 2 Batteries - 80A [ARG080201000]

Vendor:
Victron Energy

Regular price $50.15 USD

Regular price ~~$59.00 USD~~ Sale price $50.15 USD
Unit price per

Sale
Victron Argodiode Battery Isolator 180-3AC - 3 Batteries - 180A [ARG180301020]

Sale

Victron Argodiode Battery Isolator 180-3AC - 3 Batteries - 180A [ARG180301020]

Vendor:
Victron Energy

Regular price $109.65 USD

Regular price ~~$129.00 USD~~ Sale price $109.65 USD
Unit price per

Sale
Victron Argodiode Battery Isolator 80-2SC - 2 Batteries - 80A [ARG080202000]

Sale

Victron Argodiode Battery Isolator 80-2SC - 2 Batteries - 80A [ARG080202000]

Vendor:
Victron Energy

Regular price $39.10 USD

Regular price ~~$46.00 USD~~ Sale price $39.10 USD
Unit price per

Sale
Victron Argodiode Battery Isolator 140-3AC - 3 Batteries - 140A [ARG140301020R]

Sale

Victron Argodiode Battery Isolator 140-3AC - 3 Batteries - 140A [ARG140301020R]

Vendor:
Victron Energy

Regular price $95.20 USD

Regular price ~~$112.00 USD~~ Sale price $95.20 USD
Unit price per

Sale
ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]

Sale

ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072]

Vendor:
ProMariner

Regular price $95.99 USD

Regular price ~~$160.99 USD~~ Sale price $95.99 USD
Unit price per

Sale
ProMariner Battery Isolator - 130 AMP - 2 Alternator - 2 Battery [12132]

Sale

ProMariner Battery Isolator - 130 AMP - 2 Alternator - 2 Battery [12132]

Vendor:
ProMariner

Regular price $275.99 USD

Regular price ~~$459.99 USD~~ Sale price $275.99 USD
Unit price per

Sale
Newmar 1-3-165 Battery Isolator [1-3-165]

Sale

Newmar 1-3-165 Battery Isolator [1-3-165]

Vendor:
Newmar Power

Regular price $374.99 USD

Regular price ~~$402.00 USD~~ Sale price $374.99 USD
Unit price per

Sale
Pacer Step-Down Butt Splices w/Blue Heat Shrink - 22-18 AWG to 16-14 AWG - 500 Pack [TBSDE14-18-500]

Pacer Step-Down Butt Splices w/Blue Heat Shrink - 22-18 AWG to 16-14 AWG - 500 Pack [TBSDE14-18-500]

Vendor:
Pacer Group

Regular price $370.00 USD

Regular price Sale price $370.00 USD
Unit price per
Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted) [GDI000032000]

Sale

Victron Galvanic Isolator VDI-32A 32A Max Waterproof (Potted) [GDI000032000]

Vendor:
Victron Energy

Regular price $249.05 USD

Regular price ~~$293.00 USD~~ Sale price $249.05 USD
Unit price per

Sale
Victron Galvanic Isolator VDI-64A 64A Max Waterproof (Potted) [GDI000064000]

Sale

Victron Galvanic Isolator VDI-64A 64A Max Waterproof (Potted) [GDI000064000]

Vendor:
Victron Energy

Regular price $305.15 USD

Regular price ~~$359.00 USD~~ Sale price $305.15 USD
Unit price per

Sale
ProMariner Battery Isolator - 130 AMP - 1 Alternator - 2 Battery [11132]

Sale

ProMariner Battery Isolator - 130 AMP - 1 Alternator - 2 Battery [11132]

Vendor:
ProMariner

Regular price $134.99 USD

Regular price ~~$224.24 USD~~ Sale price $134.99 USD
Unit price per

Sale
ProMariner Battery Isolator - 130 AMP - 1 Alternator - 3 Battery [11133]

Sale

ProMariner Battery Isolator - 130 AMP - 1 Alternator - 3 Battery [11133]

Vendor:
ProMariner

Regular price $174.99 USD

Regular price ~~$293.24 USD~~ Sale price $174.99 USD
Unit price per

Sale

1
2
3

Facebook
Instagram
TikTok

Subscribe to our emails

Email

Facebook
Instagram
TikTok

Payment methods

© 2025, First Stop Marine Powered by Shopify

Refund policy
Privacy policy
Terms of service
Contact information

Choosing a selection results in a full page refresh.
Opens in a new window.