Top 9 Battery Isolator RV – Automotive Replacement Battery Switches

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1. Ampper


RV, Vehicle, 12V 140Amp Dual Battery Isolator, UTV and Boat, Ampper Battery Voltage Sensitive Relay VSR Smart Battery Isolator for Car, ATV

Ampper #ad - 100% satisfaction: no reason for return or change. Heavy duty: this voltage sensitive relay is heavy built to suitable for almost anywhere even off-road, shock resistant, which is water resistant, dust proof and withstand unexpected extreme weather environments.

Ensure your primary battery is always charged and ready to start your engine, the secondary will be charged after the primary battery's volts exceed 13. 3 volts. Primary battery protected: cuts in at 13. 3 volts and cuts out at 12. 8 volts. Easy to use: this vsr comes with mounting plate and 4 bolts for install. Purpose: this voltage sensitive relay is design for two battery systems SUITABLE for Acid-Lead batteries, allow to having two separate power sources while charging by one alternator, NOT SUITABLE for Lithium batteries, it's all need to charge and isolate two battery systems.

Compatible: used for dc 12 v two battery systems isolate and charge, RV, ATV, UTV and boat, universal used for car, vehicle, also two battery electrical equipment.
BrandAmpper #ad
ManufacturerAmpper #ad
Height2.6 Inches
Length2.76 Inches
Weight8 ounces
Width3.74 Inches
Part NumberAm-VSR0101

2. KeyLine Chargers


Campers 5th Wheels Off Road Vehicles Rhino Polaris Ar, Boats, RV's, UTV, KeyLine Chargers 12V 140 Amp Dual Battery Smart Isolator VSR, Voltage Sensitive Relay Designed for ATV

KeyLine Chargers #ad - Easy-to-use: the 140 amp dual battery smart isolator comes with mounting plate and hardware. What could be easier? **if you need installation wiring, see Dual Battery Kit or ATV/UTV Kit. Zero voltage drop: forget the traditional diode relays and so-called "solid state" devices that can rob you of almost 2 amps of output power! The Keyline Dual Battery Isolator is the only unit designed with cutting edge programming to deliver optimum performance - with ZERO sacrifice.

It's like having two separate power sources for each battery while only having one alternator! Rugged durability: unlike other isolators on the market, the keyline automatic 140 Amp Dual Battery Isolator is IP65 Certified. Does not include installation wires. Easy-to-follow directions for the most novice DIYer. Great for extreme vibration applications as well. Voltage sensitive Relay VSR cuts in at 13.

3 volts and cuts out at 12. 8 volts to ensure your primary battery is always charged and ready to start your vehicle. If you are not 100% satisfied with your purchase, simply take advantage of the No Questions Asked, 30-Day Money Back Guarantee!! This international protection rating means that your KeyLine isolator is safe for use even for your off-road needs in dusty, wet and unexpected extreme weather environments. Voltage sensitive relay: the keyline automatic 140 amp dual battery isolator is all you need to charge Two Battery Systems.
BrandKeyLine Chargers #ad
ManufacturerKeyLine Chargers #ad
Part NumberISO-PRO140

3. UCkasayfy


Voltage Sensitive Relay VSR,Compatible with RV Marine Car Vehicles Truck Caravan Off-road Camper Yacht,Not Fit for lithium batteries, Dual Battery Isolator 12V 140Amp

UCkasayfy #ad - Wide compatibility——this battery isolators are small and suitable for almost anywhere, UTV, RV's,marine vehicle, truck, for ATV, Boats, caravan. Working voltage——voltage sensitive relay vsr cuts in at 13.

3 volts and cuts out at 12. 8 volts to ensure your primary battery is always charged and ready to run your vehicle. Important note——when connecting accessories to your second battery ensure they are fused within 098ft. Function——with the engine running the vsr will engage when the starting battery reaches 13. 3 volts and the LED light will illuminate. 12-month warranty——we have exquisite craft, strict quality control along with excellent after-sales service.

That is why our products are worthy of your purchase. This means that both batteries are now linked and the system is working. Once you turn off your vehicle the system will disengage the two batteries as it reaches 12. 8 volts, leaving your main battery safe to start again.
BrandUCkasayfy #ad
ManufacturerUCkasayfy #ad
Part NumberBR001-12V

4. Ampper


Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, RV and Boat On/Off, Vehicle

Ampper #ad - Compatible: used for dc 12 - 48 v systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.

Heavy duty: abs plastic housing, rear cover insulates terminals against any short of circuits, durable made for safety use, equiped with 4 sets of bolts. Copper terminal stud size: 3/8" 10 mm x 2, vehicle, Rv and boat, universal used for car, very easy to install, also electrical equipment's switch. Purpose: eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely. Operation: on/off 2 positions, 275 a continuous at dc 12v, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.
BrandAmpper #ad
ManufacturerAmpper #ad
Height2.95 Inches
Length2.76 Inches
Weight10 ounces
Width3.74 Inches
Part NumberAm-CBS01

5. DB Electrical


DB Electrical Alternator 626-01001 Compatible With/Replacement For 90 Amp Dual Multi 2 Two Battery Isolator Marine, EMS Vehicles, Fire Trucks/Negative Ground, 6-50 DC Volts Northwest Reg. MBG90, RV

DB Electrical #ad - If you have a problem, contact us for a replacement. But in a rare case that it does not, we will take every step to assist you, we'll replace it anytime within one year of your order.

1-year warranty protects you after your purchase. 100% new aftermarket Battery Isolator built to meet OEM specifications. Spec: unit type: battery isolator, brief: negative ground2-battery system2 battery studs1 alternator studno excitation stud90A MAX OUTPUT. We're confident that our products will work flawlessly once installed in your vehicle. Replaces oem numbers: arrowhead: 626-01001, j & n: 626-01001, northwest REG. Mbg90 .
BrandDB Electrical #ad
ManufacturerDB Electrical #ad
Height3.6 Inches
Length4.9 Inches
Width4.8 Inches
Part Number626-01001
Warranty1-Year Warranty



CZC AUTO Battery Quick Disconnect Switch Top Post Switch Cut/Shut Off Switch Battery Master Isolator Switch for Boat Car Truck RV Camper Tractor Vehicles, 2 Pack

CZC AUTO #ad - 2, install the cable on the stud end of the disconnect switch. Easy to switch on and off: disconnect or connect battery by twisting the green knob a few turns. 5, remove the negative cable from battery. Much easier than taking the battery cable off each time.

Widely used for car, RV vehicles and electrical equipment. 1, tighten the green knob. 3, install the disconnect switch on the battery post. Durable&high quality: the battery cut off switch is made of zinc alloy with brass plating, boat, truck, corrosion resistance.44, make sure the negative battery post and battery clamp original battery connector clean before installation. Easy to install: it only takes 5 steps to install.

Rest assured to purchase: we offer 30-day money-back for any reason, please kindly contact us, 12-month warranty for quality-related issues. Extend the life of your battery: The battery kill switch helps to disconnect battery easily to prevent it from draining down when not in use. Any problem in using our battery disconnect switch, your problem will be solved within 24 HOURS. And also you can take the knob off to prevent vehicle theft.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number102072X2



12-48V Battery Power Cutoff Isolator Killer Switch with Face Plate for Car Vehicle RV Truck Boat Marine ATV On/Off Battery Isolator Switch, High Current 300A Master Battery Disconnect Switch

FEITON #ad - No modifications required! | how to install? step 1: disconnect the battery and choose the negative cable; step 2: choose the proper mounting position for the switch; Step 3: Connect the positive and negative cables DO NOT ATTACH AT THE SAME TIME to shut off the switch, then install the switch; Step 4: Reconnect the battery and check for correct operation.

Premium quality & professionalmaster battery disconnect switch with face plate is made of robust aluminum alloy heavy duty housing, 2 x 2*3/8 Copper Ring Terminals, anti-rust treatment in surface, 2 x Rubber Insulator Terminals, strong weather resistance and long service lifespan. Easy to install12v battery isolator switch comes with on/off indicator, it includes a definitive click when turning on and off. Keep you safe all the time. Buy with confidencethis battery disconnect switch comes complete with a 1-year warranty. If the shut-off switch ever fails on your atvs, used for 12-48 VDC systems.

Save time and money by purchasing this part, 1000 Amps intermittent duty, UTV, Trailers, replacing them by yourself within minutes. Universal & high currentrated to 300 amps continuous duty, used for 12-48 vdc systems to isolate and secure the electrical system. It can protect the internal components of the switch for use in the harsh condition. During this period, trucks, rvs, boats, cars rated to 300 Amps continuous duty, Heavy Vehicle, Off-road, please feel free to contact us for a replacement. Equiped with 1 x battery Switch, 4 x Heat Shrink Tubes.
BrandFEITON #ad
ManufacturerFEITON #ad
Part Number80005499
WarrantyFEITON battery disconnect switch comes complete with a 1-Year warranty. If the shut-off switch ever fails on your ATVs, Trailers, Off-road, RVs, Trucks, Heavy Vehicle, UTV, Boats, Cars ( Rated to 300 Amps continuous duty, 1000 Amps intermittent duty, used for 12-48 VDC systems. ) during this period, please feel free to contact us for a replacement. Save time and money by purchasing this part, replacing them by yourself within minutes.



GOGONFLY Battery Switch 12-48V Battery Power Cut Master Switch Disconnect Isolator Cut Off Switch for Marine Boat Car Truck Camper RV Trailer Vehicles On/Off

GOGONFLY #ad - We are always here to support you. This is the best choice in harsh ocean conditions. Easy to operate: on/off 2 position, 455a dc intermittent 5 min, 1250a dc cranking 10 sec. Fully enclosed design to protect wiring from dirt, corrosion, and rain. Widely application: battery isolator switch is universal used for RV, Marine, Camper, Boat, ATV, Travel Trailer, UTV battery and other engine application, Car, Truck, makes it an effortless job of turning the battery on and off.

Sturdy & fully enclosed shut off switch: the heavy duty cut off Switch is made of ABS plastic housing and copper tin plating inner stud. Package include: equiped with 1* battery switch, 4 pcs 2*3/8 Copper Ring Terminals, 4 pcs heat shrink tubings and a hex wrench, 4 Pcs Mounting Bolts, which can provide great convenience for your installation.

If you have any questions, please contact us via email. Clockwise to turn on, suitable for various 12 V/24 V/48 V systems. Compatibility & safety: this battery kill switch used for dc 12 - 48v systems to isolate and secure the electrical system; eliminate any power draw from the battery when vehicle is not in use, disconnects the battery safely; provide a reliable way to shutdown electrical power during maintenance and protect batteries from excessive drain. Rating: 275a dc continuous 1hr, counter clockwise to turn off.
ManufacturerGOGONFLY #ad
Height2.8 Inches
Length2.67 Inches
Width2.67 Inches
Part NumberGG-02

9. Spartan Power


UTV, RV's, ATV, Off Road Vehicles, Trucks, Boats, Motorhomes, Spartan Power Smart Dual Battery Isolator 12V 140A Voltage Sensitive Relay VSR for Vans

Spartan Power #ad - Vsr – voltage sensitive relay: automatic 140 amp dual battery isolator enables you to charge two battery systems from one alternator at the same time. 3 year warranty: every spartan power 12v 140 amp dual battery isolator is backed by a 3 year warranty.

Vanlife? now you can safely add additional batteries to help support your accessories such as power inverters, pumps, solar panels, lights, MPPT charge controllers, audio, winches, refrigerators, etc. Have a question? we are an American company located in Reno, Nevada. A voltage sensitive Relay VSR cuts in at 13. 3 volts and cuts out at 12. 8 volts. Our expert technicians will be glad to answer any question that you may have! Ip65 protected: ip65 enclosure offers complete protection from dust, oil, and other non-corrosive material.

Waterproof protection up to water projected by a nozzle against enclosure from any direction. Now on amazon - easy to install: designed for dual battery systems or second battery bank in your van, UTV, off-road vehicles, truck, marine boats, RV, etc.
BrandSpartan Power #ad
ManufacturerSpartan Power #ad
Height2 Inches
Length2.75 Inches
Width2.75 Inches
Part NumberSP-SBI12V140A
WarrantyThree Year Warranty