Home Marine Electrical Supplies Marine Batteries, Battery Boxes & Accessories Blue Sea Systems

Blue Sea Systems Marine Battery Accessories

41 results
CategoryMarine Electrical Supplies
CategoryMarine Batteries, Battery Boxes & Accessories
BrandBlue Sea Systems
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Blue Sea Systems

350A e-Series Dual Circuit Battery Selector Switch

SKU: 174119 | Item ID: B/S 5511E

$66.62

In Stock
e-Series Battery Selector Switch - 4 Positions

Blue Sea Systems

Blue Sea 350A e-Series Battery Selector Switch

Available in 2 options

$48.74 - $57.66

In Stock
350A RED E SERIES BATTERY SWITCH

Blue Sea Systems

350A e-Series Battery Switch - On/Off

SKU: 146277 | Item ID: B/S 9003E

$44.85

In Stock
M-Series Battery Switches

Blue Sea Systems

M-Series Battery Switches

Available in 13 options

$32.41 - $55.27

In Stock
12/24V 120A SI-SERIES AUTO CHARGING RELA

Blue Sea Systems

Blue Sea SI-ACR Automatic Charging Relay

SKU: 183957 | Item ID: B/S 7610

$118.08

In Stock
ML-Series Solenoid Switch - w/Manual Control, 24VDC/225A

Blue Sea Systems

500A ML Series Remote On/Off Battery Switch - w/ Backup Manual Control

Available in 4 options

$191.78 - $215.80

In Stock
600A HD SGL CIRCUIT BATTERY SWITCH

Blue Sea Systems

Blue Sea 600A Heavy Duty Series Battery Switch

SKU: 165629 | Item ID: B/S 3000

$94.93

In Stock
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Blue Sea Systems

500A ML-Ser Remote Controlled On/Off Battery Switch - Manual & Auto Control

Available in 2 options

$258.48

In Stock
24V 2 BANK REMOTE CONTROL PANEL

Blue Sea Systems

Remote Control Panel - for 2 Battery Switches + 1 ACR

SKU: 207821 | Item ID: B/S 1147

$158.96

Out of Stock
500A HD AFD BATTERY SWITCH 4 POS

Blue Sea Systems

500A HD-Series Battery Selector Switch - 4 Positions with AFD

SKU: 174069 | Item ID: B/S 3003

$111.70

In Stock
500A HD BATTERY SWITCH 4 POS

Blue Sea Systems

500A HD-Series Battery Selector Switch - 4 Positions

SKU: 171533 | Item ID: B/S 3002

$98.80

Out of Stock
350A E SERIES DBL CIRCUIT BATTERY SWITCH

Blue Sea Systems

350A e-Series Dual Circuit Battery Selector Switch

SKU: 174118 | Item ID: B/S 5510E

$66.62

In Stock
350A RED AFD E SERIES BATTERY SWITCH

Blue Sea Systems

350A e-Series Battery Switch - On/Off W/Alternator Field Disconnect

SKU: 146278 | Item ID: B/S 9004E

$67.90

In Stock
350A E SERIES BATTERY SWITCH 3 POS

Blue Sea Systems

350A e-Series Battery Selector Switch - 3 Positions with AFD

SKU: 207809 | Item ID: B/S 11001

$57.66

In Stock
7601 of Blue Sea Systems 65A m-Series Mini Automatic Charging Relay

Blue Sea Systems

65A m-Series Mini Automatic Charging Relay

SKU: 393738 | Item ID: B/S 7601

$82.72

In Stock
500-600A HD SERIES BATTERY SWITCH 3 POS

Blue Sea Systems

500A HD-Series Battery Selector Switch - 3 Positions with AFD

SKU: 210290 | Item ID: B/S 11003

$111.70

In Stock
12V 500A ML SERIES SOLENIOD

Blue Sea Systems

500A ML-Series Remote Solenoid On/Off Battery Switch

Available in 2 options

$215.26

In Stock
7611 of Blue Sea Systems BatteryLink Automatic Charging Relay 120A

Blue Sea Systems

BatteryLink Automatic Charging Relay 120A

SKU: 393739 | Item ID: B/S 7611

$118.08

In Stock
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Blue Sea Systems

ATD Automatic Timer Disconnect

SKU: 456825 | Item ID: B/S 7615

$149.95

In Stock
ML-Series Heavy Duty Automatic Charging Relay, 12V

Blue Sea Systems

500A ML ACR - Automatic Charging Relay

Available in 2 options

$236.01

In Stock
ADD A BATTERY DUAL CIRCUIT SYSTEM

Blue Sea Systems

Blue Sea Systems Add-A-Battery Kit

SKU: 183958 | Item ID: B/S 7650

$182.57

In Stock
DUAL BATTERY DISTRIBUTION PANEL F/5511E

Blue Sea Systems

Dual Battery Bank Management/DC Distribution Panel - 350A e-Series Switch

SKU: 174115 | Item ID: B/S 8690

$235.32

In Stock
Sure Eject Plug

Blue Sea Systems

Sure Eject Plug

Available in 2 options

$17.57

In Stock
24V 3 BANK REMOTE CONTROL PANEL

Blue Sea Systems

Remote Control Panel - for Up to 3 Battery Switches

SKU: 207822 | Item ID: B/S 1148

$157.51

In Stock
SPARE KNOB F/M-SERIES MINI SWITCH 6006

Blue Sea Systems

Spare Knob for m-Series Battery Switch No. 6006

SKU: 174085 | Item ID: B/S 7901

$7.36

In Stock
ICON CIRCUIT IDENTIFICATION LABEL KIT

Blue Sea Systems

Icon Label Kit for Battery Switches

SKU: 174086 | Item ID: B/S 7902

$8.36

In Stock
M SERIES 3 BATTERY DISTRIBUTION PANEL

Blue Sea Systems

Triple Battery Bank Management & DC Distribution Panel

SKU: 174114 | Item ID: B/S 8689

$355.07

In Stock
E SERIES 3 BATTERY DISTRIBUTION PANEL

Blue Sea Systems

Triple Battery Bank Management & DC Distribution Panel

SKU: 174117 | Item ID: B/S 8693

$463.02

In Stock
Stud Mount Insulating Boots

Blue Sea Systems

Stud Mount Insulating Boots

SKU: 1019048 | Item ID: B/S 4000

$5.24

In Stock
DC DUAL BATTERY BANK PANEL 3 SWITCH

Blue Sea Systems

Dual Battery Bank Management Panel

SKU: 158909 | Item ID: B/S 8280

$249.73

In Stock
360 DC M-Series Blank Panel Square

Blue Sea Systems

360 Panel System Blank Panel - for m-Series 300A Battery Switch

SKU: 207806 | Item ID: B/S 1139

$73.79

In Stock
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Blue Sea Systems

m-LVD Low Voltage Disconnect

SKU: 433311 | Item ID: B/S 7635

$94.33

Out of Stock
Submersible Temperature Sensor

Blue Sea Systems

Submersible Temperature Sensor

SKU: 362415 | Item ID: B/S 1820

$21.69

In Stock
600A HD SGL AFD CIRCUIT BATTERY SWITCH

Blue Sea Systems

600A HD-Series Battery Switch - On/Off with AFD

SKU: 165630 | Item ID: B/S 3001

$107.76

Out of Stock
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Blue Sea Systems

Blue Sea Systems Mini Add A Battery Kit - 65A

SKU: 393740 | Item ID: B/S 7649

$134.20

Out of Stock
Sure Eject Cover

Blue Sea Systems

Sure Eject Cover

Available in 3 options

$24.99

Out of Stock
Sure Eject

Blue Sea Systems

Sure Eject

Available in 2 options

$345.49 - $366.22

Out of Stock
SPARE KEY F/M-SERIES MINI SWITCH 6005

Blue Sea Systems

Spare Key for m-Series Battery Switch No. 6005

SKU: 174084 | Item ID: B/S 7900

$6.08

Out of Stock
12V DUAL BATTERY BANK MANAGEMENT PANEL

Blue Sea Systems

360 Panel System Dual Battery Bank Management Panel

SKU: 201731 | Item ID: B/S 1408

$251.39

Special Order Only
DUAL BATTERY DISTRIBUTION PANEL F/6011

Blue Sea Systems

Dual Battery Bank Management & DC Distribution Panel

SKU: 174111 | Item ID: B/S 8686

$219.78

Out of Stock
32V DUAL BATTERY BANK MANAGEMENT PANEL

Blue Sea Systems

Dual Battery Bank Management Panel with DC Main Breaker

SKU: 89580 | Item ID: B/S 8080

$234.82

Special Order Only
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If you are looking for a reliable and efficient way to manage your onboard battery banks, Blue Sea Systems is a leading manufacturer of marine electrical components, such as battery switches, charging relays, battery management panels, and more. One of the most popular Blue Sea Systems products is the Blue Sea ACR switch, which stands for Automatic Charging Relay. This device allows you to charge two battery banks from a single source, such as an alternator while keeping them isolated when not charging. This prevents accidental discharge of one battery bank into another, and ensures that both batteries are always ready for use. Don't let your battery system fail you when you need it most. Whether you need a Blue Sea battery switch, a Blue Sea ACR switch, or a combination of these products, you can find them all at Fisheries Supply. Fisheries Supply is your one-stop shop for all your marine electrical needs. We offer a wide range of Blue Sea Systems products at competitive prices, and we have knowledgeable representatives who can help you choose the best solution for your boat.