Skip to content
Boating Accessories & Marine Electronics
Boating Accessories & Marine Electronics

Battery Switches & Management

Battery switches, isolators, combiners, battery boxes and monitors from Bluewater, Egis, Victron Energy and T-H Marine, for safe, organized DC power.

Professional installation available from Mariners Marine. See our installation services or call 732-620-5686. Serving the Jersey Shore and surrounding areas; travel fees may apply.

Filters

Save 34% Save %
$249.00
$249.00 - $249.00
$249.00
$163.99
$163.99 - $163.99
$163.99

Sea-Dog Power Box Battery Switch [422737-3]

Only 1 left!

Power Box Battery SwitchThe Power Box is controlled with a 50A battery switch and monitored with an LED voltmeter. The switch features a removable...

View full details
$249.00
$249.00 - $249.00
$249.00
$163.99
$163.99 - $163.99
$163.99
Save 34% Save %
Save 15% Save %
$624.00
$624.00 - $624.00
$624.00
$530.40
$530.40 - $530.40
$530.40

Victron BMV-710H Smart High Voltage Battery Monitor (60-385VDC) [BAM030710100]

in stock

BMV-710H Smart High Voltage Battery Monitor (60-385VDC)The BMV-710H Smart has Bluetooth built-in and can connect wirelessly to your phone (or tabl...

View full details
$624.00
$624.00 - $624.00
$624.00
$530.40
$530.40 - $530.40
$530.40
Save 15% Save %
Save 29% Save %
$115.95
$115.95 - $115.95
$115.95
$81.99
$81.99 - $81.99
$81.99

Sea-Dog Heavy Duty On Off Battery Switch - 600A [422768-1]

Only 3 left!

Heavy Duty On & Off Battery Switch - 600AThe heavy-duty 422768 selector switch has 350A continuous and 1500 cranking amps to start a dual dies...

View full details
$115.95
$115.95 - $115.95
$115.95
$81.99
$81.99 - $81.99
$81.99
Save 29% Save %
Save 25% Save %
$39.95
$39.95 - $39.95
$39.95
$29.99
$29.99 - $29.99
$29.99

Sea-Dog Mini Battery Switch Key w/Removable Knob - 32V 100A [422732-1]

Only 5 left!

Mini Battery Switch Key with Removable Knob - 32V & 100AThese Mini Battery Switches feature a removable knob for extra security. To remove, si...

View full details
$39.95
$39.95 - $39.95
$39.95
$29.99
$29.99 - $29.99
$29.99
Save 25% Save %
Save 29% Save %
$66.45
$66.45 - $66.45
$66.45
$46.99
$46.99 - $46.99
$46.99

Sea-Dog Mini Battery Switch Key w/Removable Knob - 32V 300A [422730-1]

Only 2 left!

Mini Battery Switch Key with Removable Knob - 32V & 300AThese Mini Battery Switches feature a removable knob for extra security. To remove, si...

View full details
$66.45
$66.45 - $66.45
$66.45
$46.99
$46.99 - $46.99
$46.99
Save 29% Save %
Save 15% Save %
$18.00
$18.00 - $18.00
$18.00
$15.30
$15.30 - $15.30
$15.30

Victron Non-Inverting Remote On-Off Cable [ASS030550220]

in stock

Non-Inverting Remote On-Off CableUse this cable to connect the following products to the VE.Bus BMS: Skylla-TG all models Battery Protect models B...

View full details
$18.00
$18.00 - $18.00
$18.00
$15.30
$15.30 - $15.30
$15.30
Save 15% Save %
Save 15% Save %
$18.00
$18.00 - $18.00
$18.00
$15.30
$15.30 - $15.30
$15.30

Victron Inverter Remote On-Off Cable [ASS030550120]

Only 4 left!

Inverter Remote On-Off CableUse this cable to connect the (discontinued) Phoenix Inverter 12/180, 24/180, 12/350, or 24/350 to a VE.Bus BMS or a B...

View full details
$18.00
$18.00 - $18.00
$18.00
$15.30
$15.30 - $15.30
$15.30
Save 15% Save %
Save 15% Save %
$184.00
$184.00 - $184.00
$184.00
$156.40
$156.40 - $156.40
$156.40

Victron VE.Bus BMS V2 f/Victron LiFePO4 Batteries 12-48VDC - Work w/All VE.Bus GX Devices [BMS300200200]

in stock

VE.Bus BMS V2 for Victron LiFePO4 Batteries 12-48VDC - Work with All VE.Bus & GX DevicesThe VE.Bus BMS and VE.Bus BMS V2 is Battery Management...

View full details
$184.00
$184.00 - $184.00
$184.00
$156.40
$156.40 - $156.40
$156.40
Save 15% Save %
Save 15% Save %
$512.00
$512.00 - $512.00
$512.00
$435.20
$435.20 - $435.20
$435.20

Victron SmartSolar MPPT 250/60-TR Solar Charge Controller [SCC125060221]

in stock

SmartSolar MPPT 250/60-TR Solar Charge ControllerA solar charger gathers energy from your solar panels, and stores it in your batteries. Using the...

View full details
$512.00
$512.00 - $512.00
$512.00
$435.20
$435.20 - $435.20
$435.20
Save 15% Save %
Save 15% Save %
$266.00
$266.00 - $266.00
$266.00
$226.10
$226.10 - $226.10
$226.10

Victron SmartShunt 2000A/50MV IP65 Bluetooth Battery Monitor [SHU065220050]

in stock

SmartShunt 2000A/50MV IP65 Bluetooth Battery MonitorThe Smart Battery ShuntThe SmartShunt is an all-in-one battery monitor, only without a display...

View full details
$266.00
$266.00 - $266.00
$266.00
$226.10
$226.10 - $226.10
$226.10
Save 15% Save %
Save 15% Save %
$195.00
$195.00 - $195.00
$195.00
$165.75
$165.75 - $165.75
$165.75

Victron SmartShunt 1000A/50MV IP65 Bluetooth Battery Monitor [SHU065210050]

in stock

SmartShunt 1000A/50MV IP65 Bluetooth Battery MonitorThe Smart Battery ShuntThe SmartShunt is an all-in-one battery monitor, only without a display...

View full details
$195.00
$195.00 - $195.00
$195.00
$165.75
$165.75 - $165.75
$165.75
Save 15% Save %
Save 15% Save %
$130.00
$130.00 - $130.00
$130.00
$110.50
$110.50 - $110.50
$110.50

Victron SmartShunt 500A/50MV IP65 Bluetooth Battery Monitor [SHU065150050]

in stock

SmartShunt 500A/50MV IP65 Bluetooth Battery MonitorThe Smart Battery ShuntThe SmartShunt is an all-in-one battery monitor, only without a display....

View full details
$130.00
$130.00 - $130.00
$130.00
$110.50
$110.50 - $110.50
$110.50
Save 15% Save %
Save 15% Save %
$58.00
$58.00 - $58.00
$58.00
$49.30
$49.30 - $49.30
$49.30

Victron CYRIX-CT 12/24V-120A Intelligent Battery Combiner [CYR010120011R]

in stock

CYRIX-CT 12/24V-120A Intelligent Battery CombinerThe Cyrix Battery Combiner is a microprocessor controlled heavy duty relay that automatically con...

View full details
$58.00
$58.00 - $58.00
$58.00
$49.30
$49.30 - $49.30
$49.30
Save 15% Save %
Save 15% Save %
$560.00
$560.00 - $560.00
$560.00
$476.00
$476.00 - $476.00
$476.00

Victron Smart Solar MPPT 150/85-TR VE.Can [SCC115085411]

in stock

Smart Solar MPPT 150/85-TR VE.CanA solar charger gathers energy from your solar panels, and stores it in your batteries. Using the latest, fastest...

View full details
$560.00
$560.00 - $560.00
$560.00
$476.00
$476.00 - $476.00
$476.00
Save 15% Save %
Save 15% Save %
$270.00
$270.00 - $270.00
$270.00
$229.50
$229.50 - $229.50
$229.50

Victron SmartSolar MPPT 150/45 Solar Charge Controller [SCC115045212]

in stock

SmartSolar MPPT 150/45 Solar Charge ControllerA solar charger gathers energy from your solar panels, and stores it in your batteries.  Using the l...

View full details
$270.00
$270.00 - $270.00
$270.00
$229.50
$229.50 - $229.50
$229.50
Save 15% Save %
Save 30% Save %
$366.99
$366.99 - $366.99
$366.99
$255.99
$255.99 - $255.99
$255.99

Mastervolt Charge Mate Pro 90 [83309002]

in stock

Charge Mate Pro 90Current limited electronic charge relay with high efficiency and reverse current protectionA secondary battery onboard requires ...

View full details
$366.99
$366.99 - $366.99
$366.99
$255.99
$255.99 - $255.99
$255.99
Save 30% Save %
Save 15% Save %
$89.00
$89.00 - $89.00
$89.00
$75.65
$75.65 - $75.65
$75.65

Victron CYRIX-LI-CHARGE 12/24-120A Intelligent Charge Relay Cyrix LI Charge [CYR010120430]

in stock

CYRIX-LI-CHARGE 12/24-120A Intelligent Charge Relay Cyrix LI ChargeThe Cyrix Battery Combiner is a microprocessor-controlled heavy duty relay that...

View full details
$89.00
$89.00 - $89.00
$89.00
$75.65
$75.65 - $75.65
$75.65
Save 15% Save %
Save 15% Save %
$58.00
$58.00 - $58.00
$58.00
$49.30
$49.30 - $49.30
$49.30

Victron SmallBMS f/Smart LiFePO4 Batteries w/M8 [BMS400100000]

Only 5 left!

SmallBMS for Smart LiFePO4 Batteries with M8A simple and low-cost alternative to the VE.Bus BMS. The smallBMS can replace the VE.Bus BMS in severa...

View full details
$58.00
$58.00 - $58.00
$58.00
$49.30
$49.30 - $49.30
$49.30
Save 15% Save %
Save 15% Save %
$188.00
$188.00 - $188.00
$188.00
$159.80
$159.80 - $159.80
$159.80

Victron Orion-Tr Smart 12/24 10 AMP (240W) Isolated DC-DC Charger or Power Supply [ORI122424120]

in stock

Orion-TR Smart 12/24-10A (240W) Isolated DC-DC Charger or Power SupplyThe Orion-Tr Smart isolated DC-DC charger serves as a DC-DC battery charger ...

View full details
$188.00
$188.00 - $188.00
$188.00
$159.80
$159.80 - $159.80
$159.80
Save 15% Save %
Save 15% Save %
$247.00
$247.00 - $247.00
$247.00
$209.95
$209.95 - $209.95
$209.95

Victron Smart BMS 12/200 f/Victron LIFEPO4 Batteries 12VDC Only [BMS210055000]

in stock

Smart BMS 12/200 for Victron LIFEPO4 Batteries 12VDC OnlyThe Smart BMS 12/200 is an all-in-one Battery Management system for Victron Lithium-Iron-...

View full details
$247.00
$247.00 - $247.00
$247.00
$209.95
$209.95 - $209.95
$209.95
Save 15% Save %
Save 15% Save %
$22.00
$22.00 - $22.00
$22.00
$18.70
$18.70 - $18.70
$18.70

Victron VE.Direct Non-Inverting Remote On-Off Cable Non-Inverting f/BlueSolar SmartSolar MPPT [ASS030550320]

in stock

VE.Direct Non-Inverting Remote On-Off Cable Non-Inverting for BlueSolar & SmartSolar MPPTThis cable is intended for on/off control of BlueSola...

View full details
$22.00
$22.00 - $22.00
$22.00
$18.70
$18.70 - $18.70
$18.70
Save 15% Save %
Save 15% Save %
$72.00
$72.00 - $72.00
$72.00
$61.20
$61.20 - $61.20
$61.20

Victron M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 5M [ASS030560500]

Only 5 left!

M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 5MFeatures: 5-meter cable Extends the data cables that run from a 12.8 Volt Lithium...

View full details
$72.00
$72.00 - $72.00
$72.00
$61.20
$61.20 - $61.20
$61.20
Save 15% Save %
Save 15% Save %
$63.00
$63.00 - $63.00
$63.00
$53.55
$53.55 - $53.55
$53.55

Victron M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 3M [ASS030560300]

in stock

M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 3MFeatures: 3-meter cable Extends the data cables that run from a 12.8 Volt Lithium...

View full details
$63.00
$63.00 - $63.00
$63.00
$53.55
$53.55 - $53.55
$53.55
Save 15% Save %
Save 15% Save %
$58.00
$58.00 - $58.00
$58.00
$49.30
$49.30 - $49.30
$49.30

Victron M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 2M [ASS030560200]

in stock

M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 2MFeatures: 2-meter cable Extends the data cables that run from a 12.8 Volt Lithium...

View full details
$58.00
$58.00 - $58.00
$58.00
$49.30
$49.30 - $49.30
$49.30
Save 15% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare