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Batteries, Chargers & Accessories by Blue Sea Systems

Products: 1 - 39 of 39
Add-A-Battery Kit, Marine Battery Switch and Charging Relay, Ignition Protected, Up to 120 amp

Add-A-Battery Kit, Marine Battery Switch and Charging Relay, Ignition Protected, Up to 120 amp

Mfr. Blue Sea Systems | Mfr No. 7650

With the Add-A-Battery Kit boaters can increase their boat's safety by setting up a dual battery system that is easy to install and simple to use. This kit is for alternators up to 120amp...
$141.25


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Mini Add-A-Battery Kit, Marine Battery Switch and Charging Relay, Ignition Protected, Up to 65 amp

Mini Add-A-Battery Kit, Marine Battery Switch and Charging Relay, Ignition Protected, Up to 65 amp

Mfr. Blue Sea Systems | Mfr No. 7649

With the Mini Add-A-Battery Kit boaters can increase their boat's safety by setting up a dual battery system that is easy to install and simple to use. This kit is for alternators up to 65amp...
$99.87


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Blue Sea Systems, Panel 360 Remote Battery Switch DC

Blue Sea Systems, Panel 360 Remote Battery Switch DC

Mfr. Blue Sea Systems | Mfr No. 1147

Blue Sea Systems, Panel 360 Remote Battery Switch DC. Provides switching of up to three ML-Series remote battery switches or ML-Series automatic charging relays...
$119.00


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Battery Link Charger, Portable, AC/DC, 2 Bank, 10 amp.

Battery Link Charger, Portable, AC/DC, 2 Bank, 10 amp.

Mfr. Blue Sea Systems | Mfr No. 7605

Blue Sea Systems Marine Battery Link Charger lets boaters charge two batteries at or away from the dock with a 10 Amp multistage battery charger and integrated 65 Amp Automatic Charging Relay (ACR)...
$179.38


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Blue Sea Systems, HD-Series Battery Switch, Selector 4 Position

Blue Sea Systems, HD-Series Battery Switch, Selector 4 Position

Mfr. Blue Sea Systems

Blue Sea Systems, HD-Series Battery Switch, Selector 4 Position. Switches a single battery to a single load group...
$81.28 - $89.55

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Blue Sea Systems, ML-Series Heavy Duty Automatic Charging Relay

Blue Sea Systems, ML-Series Heavy Duty Automatic Charging Relay

Mfr. Blue Sea Systems

Blue Sea Systems, ML-Series Heavy Duty Automatic Charging Relay. 500 ampere bi-stable magnetic latching. Automatically manages the charging of two large battery banks...
Sale Price From $188.09

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Blue Sea Systems, ML-Series Heavy Duty Remote Battery Switch, 12 - 24 Volt, 500 Amp

Blue Sea Systems, ML-Series Heavy Duty Remote Battery Switch, 12 - 24 Volt, 500 Amp

Mfr. Blue Sea Systems

Blue Sea Systems, ML-Series Heavy Duty Remote Battery Switch, 12 - 24 Volt, 500 Amp...
Sale Price From $162.90

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Blue Sea Systems, Panel DC Battery Management Dual

Blue Sea Systems, Panel DC Battery Management Dual

Mfr. Blue Sea Systems | Mfr No. 8686

Blue Sea Systems, Panel DC Battery Management Dual. New battery management panel integrates the dual circuit plus battery switch to simplify switching...
$170.62


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Blue Sea Systems, SI-Series Automatic Charging Relay, 7610

Blue Sea Systems, SI-Series Automatic Charging Relay, 7610

Mfr. Blue Sea Systems | Mfr No. 7610

Blue Sea Systems, SI-Series Automatic Charging Relay, 7610. Automatically combines batteries during charging, isolates batteries when discharging and when starting engines...
$98.77


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Mini PowerPost Cable Connectors

Mini PowerPost Cable Connectors

Mfr. Blue Sea Systems

Blue Sea Systems, Mini PowerPost Cable Connectors. Insulated single stainless steel stud terminates multiple large conductors...
$8.37 - $8.75

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PowerPost Cable Connectors

PowerPost Cable Connectors

Mfr. Blue Sea Systems

Blue Sea Systems, PowerPost Cable Connectors. Insulated single stud connects multiple large conductors.
Sale Price From $10.05

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Blue Sea Systems, Dual Entry, PowerPost Cable Insulator

Blue Sea Systems, Dual Entry, PowerPost Cable Insulator

Mfr. Blue Sea Systems

Blue Sea Systems, Dual Entry, PowerPost Cable Insulator. Protects against accidental short circuits...
Not Currently Available

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CableCap Stud Insulators

CableCap Stud Insulators

Mfr. Blue Sea Systems

Blue Sea Systems, CableCap Stud Insulators. Insulates single stud on alternators, starters, windlasses and high amperage termination points....
Sale Price From $2.27

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CableCap, Straight Terminal Insulator, Small (Pair)

CableCap, Straight Terminal Insulator, Small (Pair)

Mfr. Blue Sea Systems | Mfr No. 4016

CableCap, Straight Terminal Insulator, Small (Pair), 4016. Insulates battery terminals which have standard automotive posts...
$4.31


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Blue Sea Systems, Rotating Battery Cable Caps

Blue Sea Systems, Rotating Battery Cable Caps

Mfr. Blue Sea Systems | Mfr No. 4001

Blue Sea Systems, Rotating Battery Cable Caps. Insulates battery terminals which have added adapter terminals...
$4.93
On Sale


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Terminal Feed Through Connectors

Terminal Feed Through Connectors

Mfr. Blue Sea Systems

Terminal Feed Through Connectors. Eliminates chafe and provides strain relief when passing high current through hulls, decks and bulkheads...
Sale Price From $16.85

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Dual Post CableCap Battery Terminal Insulators, 1/0 AWG, Pair

Dual Post CableCap Battery Terminal Insulators, 1/0 AWG, Pair

Mfr. Blue Sea Systems | Mfr No. 4018

Dual Post CableCap Battery Terminal Insulators, 1/0 AWG, Pair. Suitable for top-mount, dual-post marine batteries...
$5.60


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Blue Sea Systems, m-Series, Battery Switch, Selector, 4 Position

Blue Sea Systems, m-Series, Battery Switch, Selector, 4 Position

Mfr. Blue Sea Systems | Mfr No. 6007

Blue Sea Systems, m-Series, Battery Switch, Selector, 4 Position. 300 Amps continuous rating for outboards and small gasoline or diesel engines...
$38.80


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Blue Sea Systems, m-Series Mini Battery Switch, Dual Circuit Plus, 6011

Blue Sea Systems, m-Series Mini Battery Switch, Dual Circuit Plus, 6011

Mfr. Blue Sea Systems | Mfr No. 6011

Blue Sea Systems, m-Series Mini Battery Switch, Dual Circuit Plus, 6011, 300 Amps continuous rating for outboards and small gasoline or diesel engines...
$39.60
On Sale


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Blue Sea Systems, m-Series, Battery Switch, Single Circuit, On - Off

Blue Sea Systems, m-Series, Battery Switch, Single Circuit, On - Off

Mfr. Blue Sea Systems

Blue Sea Systems, m-Series, Battery Switch, Single Circuit, On - Off. 300 Amps continuous rating for outboards and small gasoline or diesel engines...
Sale Price From $24.14

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Blue Sea Systems, m-Series, Battery Switch, Single Circuit, On - Off, w/ Key

Blue Sea Systems, m-Series, Battery Switch, Single Circuit, On - Off, w/ Key

Mfr. Blue Sea Systems

Blue Sea Systems, m-Series, Battery Switch, Single Circuit, On - Off, w/ Key. 300 Amps continuous rating for outboards and small gasoline or diesel engines...
$27.47 - $35.90

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Blue Sea, 5511e, e-Series, Dual Circuit Plus, Battery Switch

Blue Sea, 5511e, e-Series, Dual Circuit Plus, Battery Switch

Mfr. Blue Sea Systems | Mfr No. 5511e

Blue Sea Systems, e-Series Battery Selector Switches. 350 Amps continuous rating for inboard gasoline or diesel engines.
$48.66
On Sale


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HD-Series Heavy Duty On/Off Battery Switch

HD-Series Heavy Duty On/Off Battery Switch

Mfr. Blue Sea Systems | Mfr No. 3000

Blue Sea Systems, HD-Series Heavy Duty On/Off Battery Switch, Single Circuit On-Off. Switches a single battery to a single load group...
$78.07


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Blue Sea Systems, VSM Battery Temperature Sensor

Blue Sea Systems, VSM Battery Temperature Sensor

Mfr. Blue Sea Systems | Mfr No. 1820

Blue Sea Systems, VSM Battery Temperature Sensor. For use with the Vessel Systems Monitor VSM 422, corrosion resistant, fully sealed, compact...
$13.37
On Sale


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e-Series Dual Circuit Battery Switch, 5510e

e-Series Dual Circuit Battery Switch, 5510e

Mfr. Blue Sea Systems | Mfr No. 5510E

Switches both positive and negative lines simultaneously with one simple ON/OFF switch meeting European and metal boat r
$48.66
On Sale


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m-Series Mini Dual Circuit Battery Selector Switch, Red, 6010

m-Series Mini Dual Circuit Battery Selector Switch, Red, 6010

Mfr. Blue Sea Systems | Mfr No. 6010

Blue Sea Systems, m-Series Mini Dual Circuit Battery Selector Switch, Red, 6010. 300 Amps continuous rating for outboards and small gasoline or diesel engines...
$44.22


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Blue Sea Systems, Panel, Triple Battery Bank, DC, Dual Circuit

Blue Sea Systems, Panel, Triple Battery Bank, DC, Dual Circuit

Mfr. Blue Sea Systems | Mfr No. 8689

Blue Sea Systems, Panel, Triple Battery Bank, DC, Dual Circuit. Designed for twin engine configurations, provides high ampere load protection, isolates the Engine circuit from the House circuit...
$278.89


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Blue Sea Systems, Traditional Metal Dual Bank Battery Management Panel

Blue Sea Systems, Traditional Metal Dual Bank Battery Management Panel

Mfr. Blue Sea Systems | Mfr No. 8280

Blue Sea Systems, Traditional Metal Dual Bank Battery Management Panel. Allows independent battery control & emergency cross connect between isolated battery banks...
$220.04


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Blue Sea, 9003e, e-Series, On Off, Battery Switch

Blue Sea, 9003e, e-Series, On Off, Battery Switch

Mfr. Blue Sea Systems | Mfr No. 9003e

Blue Sea Systems, e-Series Battery Selector Switches. 350 Amps continuous rating for inboard gasoline or diesel engines.
$36.23
On Sale


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Blue Sea, 9001e, e-Series, Selector Battery Switch, 4 Position

Blue Sea, 9001e, e-Series, Selector Battery Switch, 4 Position

Mfr. Blue Sea Systems | Mfr No. 9001e

Blue Sea Systems, e-Series Battery Selector Switches. 350 Amps continuous rating for inboard gasoline or diesel engines.
$38.74
On Sale


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Blue Sea, 9002e, e-Series, Selector Battery Switch, 4 Position, with AFD

Blue Sea, 9002e, e-Series, Selector Battery Switch, 4 Position, with AFD

Mfr. Blue Sea Systems | Mfr No. 9002e

Blue Sea Systems, e-Series Battery Selector Switches. 350 Amps continuous rating for inboard gasoline or diesel engines.
$47.08


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Blue Sea, 9004e, e-Series, On Off, Battery Switch, with AFD

Blue Sea, 9004e, e-Series, On Off, Battery Switch, with AFD

Mfr. Blue Sea Systems | Mfr No. 9004e

Blue Sea Systems, e-Series Battery Selector Switches. 350 Amps continuous rating for inboard gasoline or diesel engines.
$50.28
On Sale


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Blue Sea Systems Cable Cap Straight Large (Pair)

Blue Sea Systems Cable Cap Straight Large (Pair)

Mfr. Blue Sea Systems | Mfr No. 4017

Blue Sea Systems Cable Cap Straight Large (Pair)
$3.80
On Sale


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Dual PowerPost Cable Connectors

Dual PowerPost Cable Connectors

Mfr. Blue Sea Systems | Mfr No. 2018

Dual PowerPost Cable Connectors...
$16.27
On Sale


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HD-Series Heavy Duty On/Off Battery Switch, with AFD, 3001

HD-Series Heavy Duty On/Off Battery Switch, with AFD, 3001

Mfr. Blue Sea Systems | Mfr No. 3001

HD-Series Heavy Duty On/Off Battery Switch, with AFD, 3001
$86.23


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e-Series 3 Position Battery Selector Switch with AFD

e-Series 3 Position Battery Selector Switch with AFD

Mfr. Blue Sea Systems | Mfr No. 11001

Blue Sea Systems, e-Series 3 Position Battery Selector Switch with AFD. 350 Amps continuous rating for inboard gasoline or diesel engines...
$47.08


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m-Series Automatic Charging Relay,12/24 Volt DC, 65 Amp

m-Series Automatic Charging Relay,12/24 Volt DC, 65 Amp

Mfr. Blue Sea Systems | Mfr No. 7601

Blue Sea Systems m-Series Automatic Charging Relay,12/24 Volt DC, 65 Amp. M-Series Automatic Charging Relay...
$56.67
On Sale


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Blue Sea Systems, Standard Battery Cable Caps

Blue Sea Systems, Standard Battery Cable Caps

Mfr. Blue Sea Systems

Blue Sea Systems, Standard Battery Cable Caps. Insulates battery terminals which have added adapter terminals...
$7.27 - $8.48

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HD-Series Heavy Duty 3 Position Battery Selector Switch, with AFD

HD-Series Heavy Duty 3 Position Battery Selector Switch, with AFD

Mfr. Blue Sea Systems | Mfr No. 11003

Blue Sea Systems, HD-Series Heavy Duty 3 Position Battery Selector Switch, with AFD. Up to 600 Amps continuous rating for large diesel engines...
$110.73
On Sale


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Products: 1 - 39 of 39
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