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Battery Management & Relays

Manage, combine, and protect your DC power system with low-voltage disconnects, ACR/VSR battery combiners, high-current relays and solenoids, and battery disconnect switches. Options include smart timers, ML-ACR remote switches, and marine-grade hardware for vehicles, boats, RVs, and off-grid builds.

51 Results

Picture of Powerwerx Compact Low Voltage Disconnect (LVD) Battery Guard

Powerwerx Compact Low Voltage Disconnect (LVD) Battery Guard

$84.99

SKU: LVD-35

Picture of Powerwerx Automotive DC Timer with Low Voltage Disconnect Battery Guard

Powerwerx Automotive DC Timer with Low Voltage Disconnect Battery Guard

$84.99

SKU: ITS-12

Picture of Powerwerx DC Automatic Power Switch/Timer

Powerwerx DC Automatic Power Switch/Timer

$74.99

SKU: APS-12

Picture of Blue Sea 9012 L Solenoid 12/24 VDC 250 Amps

Blue Sea 9012 L Solenoid 12/24 VDC 250 Amps

$235.79

SKU: 9012-BSS

Picture of Blue Sea 7622B Automatic Battery Separator for Auxiliary Batteries 12V/500 Amps

Blue Sea 7622B Automatic Battery Separator for Auxiliary Batteries 12V/500 Amps

$229.99

SKU: 7622B-BSS

Picture of Powerwerx PanelHDSW Heavy Duty 100A Panel Mount ON-OFF Battery Switch

Powerwerx PanelHDSW Heavy Duty 100A Panel Mount ON-OFF Battery Switch

$26.99

SKU: PanelHDSW

Picture of West Mountain Radio Epic PWRgate 12V Backup Power System

West Mountain Radio Epic PWRgate 12V Backup Power System

$189.99

SKU: EpicPWRgate

Picture of Blue Sea 7615 DC Timer with Low Voltage Disconnect Battery Guard

Blue Sea 7615 DC Timer with Low Voltage Disconnect Battery Guard

$128.99

SKU: 7615-BSS

Picture of Blue Sea 7622100B ML-ACR Automatic Charging Relay for Auxiliary Batteries with Deutsch DTM Connector 12V/500 Amps

Blue Sea 7622100B ML-ACR Automatic Charging Relay for Auxiliary Batteries with Deutsch DTM Connector 12V/500 Amps

$255.19

SKU: 7622100B-BSS

Picture of Blue Sea 6006 m-Series Mini Battery Switch Single Circuit On Off Red

Blue Sea 6006 m-Series Mini Battery Switch Single Circuit On Off Red

$33.99

SKU: 6006-BSS

Picture of Victron Energy BCD000802000 BCD 802 2 batteries 80A (combiner diode)

Victron Energy BCD000802000 BCD 802 2 batteries 80A (combiner diode)

$45.05

SKU: BCD000802000

Picture of Blue Sea 6006200 m-Series Mini Battery Switch Single Circuit On Off Black

Blue Sea 6006200 m-Series Mini Battery Switch Single Circuit On Off Black

$33.99

SKU: 6006200-BSS

Picture of Blue Sea 6007200 m-Series Mini Selector Dual Battery Switch Black

Blue Sea 6007200 m-Series Mini Selector Dual Battery Switch Black

$34.99

SKU: 6007200-BSS

Picture of Blue Sea Systems 6008-BSS Switch Battery M Selector 3p

Blue Sea Systems 6008-BSS Switch Battery M Selector 3p

$51.99

SKU: 6008-BSS

Picture of Powerwerx PanelHDSW-200A Heavy Duty 200A Panel Mount Battery Disconnect Switch (ON/OFF)

Powerwerx PanelHDSW-200A Heavy Duty 200A Panel Mount Battery Disconnect Switch (ON/OFF)

$29.99

SKU: PanelHDSW-200A

Picture of Blue Sea 7700 ML-RBS Remote Battery Switch with Manual Only Control 12V DC 500A

Blue Sea 7700 ML-RBS Remote Battery Switch with Manual Only Control 12V DC 500A

$348.59

SKU: 7700-BSS

Picture of West Mountain Radio Epic PWRgate Horizontal 12V Backup Power System

West Mountain Radio Epic PWRgate Horizontal 12V Backup Power System

$189.99

SKU: Epic-H-PWRgate

Picture of Blue Sea 7620 ML-ACR Automatic Battery Separator for Auxiliary Batteries 12V/500 Amps

Blue Sea 7620 ML-ACR Automatic Battery Separator for Auxiliary Batteries 12V/500 Amps

$253.99

SKU: 7620-BSS

Picture of Victron Energy CYR010230010R Cyrix-ct 12/24V-230A intelligent battery combiner Retail

Victron Energy CYR010230010R Cyrix-ct 12/24V-230A intelligent battery combiner Retail

$120.70

SKU: CYR010230010R

Picture of Powerwerx PanelHDSW-K Heavy Duty 100A Panel Mount ON-OFF Battery Switch with Removable Knob

Powerwerx PanelHDSW-K Heavy Duty 100A Panel Mount ON-OFF Battery Switch with Removable Knob

$25.99

SKU: PanelHDSW-K

Picture of Blue Sea 2146 ML-Series Remote Control Contura SPDT Switch On-Off-On

Blue Sea 2146 ML-Series Remote Control Contura SPDT Switch On-Off-On

$36.29

SKU: 2146-BSS

Picture of Blue Sea 6010 m-Series Mini Dual Circuit Battery Switch Red

Blue Sea 6010 m-Series Mini Dual Circuit Battery Switch Red

$42.99

SKU: 6010-BSS

Picture of Blue Sea 7611 DC BatteryLink Automatic Charging Relay 120 Amp

Blue Sea 7611 DC BatteryLink Automatic Charging Relay 120 Amp

$99.99

SKU: 7611-BSS

Picture of Egis Mobile Electric 901488 Power Relay, 12VDC, SPST, 75A, Dual Contact

Egis Mobile Electric 901488 Power Relay, 12VDC, SPST, 75A, Dual Contact

As Low As $30.60

SKU: 901488

Picture of Newmar NP-12 NAV-PAC - DC Power Conditioner, Mobile UPS 12V backup

Newmar NP-12 NAV-PAC - DC Power Conditioner, Mobile UPS 12V backup

$662.89

SKU: NP-12

Picture of Blue Sea 7650 Add-A-Battery Kit 120A

Blue Sea 7650 Add-A-Battery Kit 120A

$209.99

SKU: 7650-BSS

Picture of Blue Sea 7635 m-LVD Low Voltage Disconnect

Blue Sea 7635 m-LVD Low Voltage Disconnect

$131.29

SKU: 7635-BSS

Picture of Blue Sea 6007 m-Series Mini Selector Dual Battery Switch Red

Blue Sea 6007 m-Series Mini Selector Dual Battery Switch Red

$34.99

SKU: 6007-BSS

Picture of Victron Energy BPR122022000 Smart BatteryProtect 12/24V-220A

Victron Energy BPR122022000 Smart BatteryProtect 12/24V-220A

$105.40

SKU: BPR122022000

Picture of Blue Sea 6011 m-Series Mini Dual Circuit Plus Battery Switch Red

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

$39.99

SKU: 6011-BSS

Picture of Egis 5604B PT Series 30A One-Shot Timer Relay w/ Optional On-Delay, 12V (Bulk Pack)

Egis 5604B PT Series 30A One-Shot Timer Relay w/ Optional On-Delay, 12V (Bulk Pack)

As Low As $94.99

SKU: 5604B

Picture of Victron Energy VBS127010010 Battery switch ON/OFF 275A

Victron Energy VBS127010010 Battery switch ON/OFF 275A

$34.85

SKU: VBS127010010

Picture of Victron Energy BPR065022000 Smart BatteryProtect 12/24V-65A

Victron Energy BPR065022000 Smart BatteryProtect 12/24V-65A

$53.55

SKU: BPR065022000

Picture of Egis 8710-1900B XD Series 500A Mechanical Contactor / Battery Disconnect Switch (Bulk)

Egis 8710-1900B XD Series 500A Mechanical Contactor / Battery Disconnect Switch (Bulk)

$39.99

SKU: 8710-1900B

Picture of Blue Sea 3000 Heavy Duty ON/OFF Battery Switch (600A/900A)

Blue Sea 3000 Heavy Duty ON/OFF Battery Switch (600A/900A)

$78.99

SKU: 3000-BSS

Picture of Blue Sea 11001 e-Series Selector 3 Position Battery Switch with AFD

Blue Sea 11001 e-Series Selector 3 Position Battery Switch with AFD

$49.99

SKU: 11001-BSS

Picture of Egis 7610B TH3 12V Automatic Charging Relay ACR 160 A Bulk -12V Automatic Charging Relay (ACR), 160 A, Bulk

Egis 7610B TH3 12V Automatic Charging Relay ACR 160 A Bulk -12V Automatic Charging Relay (ACR), 160 A, Bulk

As Low As $122.99

SKU: 7610B

Picture of Victron Energy BPR110022000 Smart BatteryProtect 12/24V-100A

Victron Energy BPR110022000 Smart BatteryProtect 12/24V-100A

$70.55

SKU: BPR110022000

Picture of Mastervolt 83304002 Charge Mate Pro 40 Automatic Charging Relay 40 Amp

Mastervolt 83304002 Charge Mate Pro 40 Automatic Charging Relay 40 Amp

$215.99

SKU: 83304002

Picture of Victron Energy BPR000065400 BatteryProtect 12/24V-65A

Victron Energy BPR000065400 BatteryProtect 12/24V-65A

$36.55

SKU: BPR000065400

Picture of Automatic Backup Power Selector for Redundancy, 70 Amps

Automatic Backup Power Selector for Redundancy, 70 Amps

$49.77 $75.99

SKU: BPS702

Picture of Blue Sea 7610 SI-ACR Automatic Charging Relay 12/24 VDC 120A

Blue Sea 7610 SI-ACR Automatic Charging Relay 12/24 VDC 120A

$127.77 $148.99

SKU: 7610-BSS

Picture of West Mountain Radio Super PWRgate PG40S Backup Power Switching and Charging System

West Mountain Radio Super PWRgate PG40S Backup Power Switching and Charging System

$139.99

SKU: PG40S

Picture of PWRguard PLUS protects the radio, power supply and battery from damage

PWRguard PLUS protects the radio, power supply and battery from damage

$114.99

SKU: PWRguard

Picture of Newmar NS-12-20 StartGuard Provides Voltage Protection During Engine Start

Newmar NS-12-20 StartGuard Provides Voltage Protection During Engine Start

$272.89

SKU: NS-12-20

Picture of Blue Sea 2145 SPDT Remote Control Contura Switch ON-OFF-ON

Blue Sea 2145 SPDT Remote Control Contura Switch ON-OFF-ON

$41.89

SKU: 2145-BSS

Picture of West Mountain Radio ISOpwr+ (Plus) Auxiliary Battery Isolator

West Mountain Radio ISOpwr+ (Plus) Auxiliary Battery Isolator

$119.99

SKU: ISOpwr-Plus

Picture of Victron Energy CYR010120011R Cyrix-ct 12/24V-120A intelligent battery combiner Retail

Victron Energy CYR010120011R Cyrix-ct 12/24V-120A intelligent battery combiner Retail

$49.30

SKU: CYR010120011R

Picture of Egis 8710-1500B XD Series Single Remote Battery Switch w/ Knob, Tinned Wires (Bulk)

Egis 8710-1500B XD Series Single Remote Battery Switch w/ Knob, Tinned Wires (Bulk)

$139.99

SKU: 8710-1500B

Picture of Egis 8710-1700B XD Series Single Programmable Low Voltage Disconnect (LVD) w/ Knob, Tinned Wires (Bulk)

Egis 8710-1700B XD Series Single Programmable Low Voltage Disconnect (LVD) w/ Knob, Tinned Wires (Bulk)

As Low As $195.99

SKU: 8710-1700B

Picture of Egis 901770 Mini ISO SPDT 40A Relay, 12V, Tab-Mount (IP54)

Egis 901770 Mini ISO SPDT 40A Relay, 12V, Tab-Mount (IP54)

As Low As $4.49

SKU: 901770