Battery Management

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Blue Sea Systems
Blue Sea 7901 Spare Knob f/m-Series (Mini) [7901]
$10.99
Spare knob for m-series (mini) switch (6006)WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more...
Blue Sea Systems
Blue Sea 7900 Spare Key f/ Mini Switch [7900]
$8.99
Spare key for m-series (mini) Switch (6005)WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more...
Blue Sea Systems
Blue Sea 6011 m-Series (Mini) Battery Switch Dual Circuit Plus [6011]
$74.99
6011m-Series (Mini) Battery Switch Dual Circuit Plus™Switches two battery banks simultaneously with one simple ON/OFF switch while maintaining battery bank isolation, minimizing the risk of a dead Start batteryThe "Combine Batteries" function...
Blue Sea Systems
Blue Sea 6010 m-Series (Mini) Battery Switch Dual Circuit [6010]
$90.99
6010m-Series (Mini) Battery Switch Dual Circuit™Switches both positive and negative lines simultaneously with one simple ON/OFF switch meeting European and metal boat requirements for a double pole switchSwitches circuits of different voltages,...
Blue Sea Systems
Blue Sea 6007 m-Series (Mini) Battery Switch Selector Four Position Red [6007]
$59.99
6007m-Series (Mini) Battery Switch SelectorMake before break contact design allows switching between battery banks without power interruptionSelectorSwitches battery bank 1 or battery bank 2 or both to a single load using one switchFeatures:Ignition...
Blue Sea Systems
Blue Sea 3003 HD-Series Battery Switch Selector w/Alternator Field Disconnect [3003]
$155.99
3003 HD-Series Battery Switch Selector with Alternator Field Disconnect Features:500 Ampere Continuous RatingAccepts 4/0 battery cablesIgnition protected - safe for installation aboard gasoline powered boats.870" (22.01mm) stud length to accept 4...
Blue Sea Systems
Blue Sea 3002 HD-Series Battery Switch Selector [3002]
$166.99
3002 HD-Series Battery Switch SelectorFeatures:500 Ampere Continuous RatingAccepts 4/0 battery cablesIgnition protected - safe for installation aboard gasoline powered boats.870" (22.01mm) stud length to accept 4 or more cable terminals1/2" (M12)...
Blue Sea Systems
Blue Sea 3001 HD-Series Battery Switch Single Circuit ON/OFF w/AFD [3001]
$149.99
3001 HD-Series Battery Switch Single Circuit ON/OFF with AFDFeatures:600 Ampere Continuous RatingAccepts two 4/0 battery cables per terminalIgnition protected - safe for installation aboard gasoline powered boats.870" (22.01mm) stud length to...
Blue Sea Systems
Blue Sea 3000 HD-Series Battery Switch Single Circuit ON/OFF [3000]
$131.99
HD-Series Battery Switch Single Circuit ON/OFFFeatures:600 Ampere Continuous RatingAccepts two 4/0 battery cables per terminalIgnition protected - safe for installation aboard gasoline-powered boats.870" (22.01mm) stud length to accept multiple cable...
Blue Sea Systems
Blue Sea 9002e e-Series Battery Switch Selector w/Alternator Field Disconnect [9002E]
$96.99
9002e e-Series Battery Switch Selector with Alternator Field Disconnect Features:Switches isolated battery banks to all loads or combines battery banks to all loadsIncludes AFD (Alternator Field Disconnect)Make-before-break contact design allows...
Blue Sea Systems
Blue Sea 9003e e-Series Battery Switch Single Circuit ON/OFF [9003E]
$66.99
9003e e-Series Battery Switch Single Circuit ON/OFF Features:CE MarkedIgnition protected - Safe for installation aboard gasoline powered boatsCase design allows surface or rear panel mountingMeets American Boat and Yacht Council (ABYC) requirements...
Guest
Guest 2111A Heavy Duty Battery Selector Switch [2111A]
$63.99
Battery Selector SwitchPart No. 2111AFeaturesNew ergonomically styled turn knob provides easy On/Off switching Updated color scheme and graphics make it easier to determine switch statusLonger stud lengths for improved assembly and easier cable routing...
Guest
Guest 2110A Battery Selector Switch [2110A]
$75.99
Battery Selector Switch with AFDPart No. 2110ADescriptionContinuous Amps: 230Momentary Amps: 345Dimensions: 5"D x 2-3/4"HProduct FeaturesAlternator field disconnect (AFD) allows selection of any positions, including "off" without damage to alternator or...
Blue Sea Systems
Blue Sea 9001e e-Series Battery Switch Selector [9001E]
$71.99
9001e e-Series Battery Switch Selector Features:Make-before-break contact design allows switching between battery banks without power interruptionCE MarkedIgnition protected - Safe for installation aboard gasoline powered boatsCase design allows...
Blue Sea Systems
Blue Sea 9004e e-Series Battery Switch Single Circuit ON/OFF w/Alternator Field Disconnect [9004E]
$94.99
9004e e-Series Battery Switch Single Circuit ON/OFF with Alternator Field DisconnectFeatures:CE MarkedIgnition protected - Safe for installation aboard gasoline powered boatsCase design allows surface or rear panel mountingMeets American Boat and Yacht...
Guest
Guest 2303A Diesel Power Battery Heavy-Duty Switch [2303A]
$392.99
Diesel Power Battery Heavy-Duty SwitchFeatures:For 6, 12, 24 or 36 Volt systemsPolycarbonate caseOne year warrantySpecifications:Continuous Amps: 450Momentary Amps: 800Cable Lug Size: 1/2"Color: GrayDimensions: 5-1/2" sq x 3-1/2"HWARNING: This product...
Guest
Guest 2300A Diesel Power Battery Selector Switch [2300A]
$288.99
Diesel Power Battery Selector SwitchProduct FeaturesPolycarbonate caseFor 6, 12, 24 or 36 Volt systemsAlternator field disconnect (AFD) allowing selection of any position including "off", without damage to alternator or electrical systemOne year...
Guest
Guest 2101 Cruiser Series Battery Selector Switch w/o AFD [2101]
$107.99
Cruiser Series Battery Selector Switch without AFDThis battery switch can be used on 6, 12, 24 or 36V systems.Features:Polycarbonate caseSurface mountCable Lug Size: 3/8"Dimensions: 5.50" x 2.63"WARNING: This product can expose you to chemicals...
Guest
Guest 2100 Cruiser Series Battery Selector Switch [2100]
$124.99
Cruiser Series Battery Selector Switch with AFDPart No. 2100DescriptionContinuous Amps: 230Momentary Amps: 345Cable Lug Size: 3/8"Color: OrangeDimensions: 5-1/2"W x 2-5/8"Product FeaturesAlternator field disconnect (AFD) allows selection of any...