Top 10 Best 12v Battery Isolator

200 AMP Battery Isolator and Relay. Prevents primary battery discharge. Maximum current transfer. Extends battery life. Universal 12V Applications.

AMP BATTERY ISOLATOR. Great for isolating the second battery to be dedicated to your sound system. UNCONVENTIONAL ISOLATOR. Doesn't create a voltage drop to your second battery unlike common isolators do. POWER HANDLING. Continuous power handling of 500 amps at 12V and surge power handling of 700 amps. PRIMARY BATTERY SAVER. Lengthens the life of the primary battery when your vehicle engine is off. ELIMINATES BATTERY DRAIN. It helps eliminate multiple battery drain as it stops battery bank from getting power from each one.

Purpose this voltage sensitive relay is design for two battery systems SUITABLE for Acid-Lead batteries, NOT SUITABLE for Lithium batteries, allow to having two separate power sources while charging by one alternator, it's all need to charge and isolate two battery systems.. Primary Battery Protected cuts in at 13.3 volts and cuts out at 12.8 volts. 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.. Heavy Duty this voltage sensitive relay is heavy built to suitable for almost anywhere even off-road, which is water resistant, shock resistant, dust proof and withstand unexpected extreme weather environments.. Compatible used for DC 12 V two battery systems isolate and charge, universal used for car, vehicle, RV, ATV, UTV and boat, also two battery electrical equipment.. Easy to use this VSR comes with mounting plate and 4 bolts for install. 100 SATISFACTION no reason for return or change..

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. This compact battery isolator was built ultra-small 2.6 x 2.6 x 2 to fit almost anywhere A perfect fit under the hood to get close to your dual batteries.. VOLTAGE SENSITIVE RELAY The KeyLine Automatic 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems. 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. 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. 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. Great for extreme vibration applications as well.. WHAT YOU GET 1 140 Amp Voltage Sensitive Relay VSR 1 20 ft red battery cable 1 2ft black ground battery cable 2 positive brass marine type battery terminals 1 negative brass marine type battery terminal tinned copper lugs heat shrink cable ties easy-to-follow instructions. Easy-to-follow directions for the most novice DIYer. Power wire in, power wire out. What could be easier. BUY WITH CONFIDENCE Every 140 Amp Dual Battery Isolator is backed by an industry leading 12-month warranty. If you are not 100 satisfied with your purchase, simply take advantage of the No Questions Asked, 30-Day Money Back Guarantee.

12V, 140A, 13.3V cut-in voltage, 12.8V cut-out voltage, Package Include All the Bits and Pieces Needed for a Complete Installation. Working Voltage Having Voltage Sensitive Chip,Rely Cuts in at 13.3 Volts and Cuts out at 12.8 Volts to Ensuring Primary Battery is Always Ready for Vehicle to Run.. FuctionLike Having Two Separate Power Sources,The Dual Battery Isolator Kit Enables Your Accessories to Run From a Separate Battery While the engine is not running on your vehicle While keeping your Main Battery Charged and Your Vehicle Always Ready to Go and Start When You Want It.. Compatibility This battery isolators are small and suitable for almost anywhere, for ATV, UTV, Boats, RV'smarine vehicle, truck, caravan. LIFETIME WARRANTY 100 High Quality and Enjoy Full Life Warranty, Free Exchange.

Robust and durable It's like having two separate power sources for each battery and only one alternator This dual battery isolator can also withstand extreme weather conditions, vibration, and IP65 waterproofing.. Easy to install This dual battery isolator kit includes all the parts needed for a complete installation battery cable, battery terminals, copper lugs, heat shrink tubing, cable ties. You will never get stuck with a dead battery. Suitable for a wide range of vehicles. GOLDPAR dual battery isolator kit to provide power for recreation. Suitable for 12V 4WD, boats, trucks, cars, off-roaders, caravans and campers.. What's in the box 1x Smart Battery Isolator, 1x6000mm long 10mm square red cable with terminals on both ends, 1x600mm long 10mm square black ground cable with terminals on both ends, 2x positive marine battery terminals 1x negative marine battery terminals, 3xSC 16-8 copper crimp lugs, 2x red heat shrink, 1x black heat shrink, 1x insulated blue ring termination, 6x300mm cable ties, 4x self-tapping screws, 2xM6 nuts, 2xM6 spring washers. While ensuring quality, it offers a 1-year warranty policy. Please buy with confidence..

Voltage High current 250 Amp Continue Current 250A normally open Universal application 12V24V, LCD display voltage of two batteries. Automatically Connection Voltage Delay 5 seconds 13.5V-16V12V working voltage27V-32V24V working voltage Automatically Disconnect Voltage Delay 5 seconds 12.5V,disconnect immediately if it is below 12.5 V. Function 250Amp battery isolator is a primary battery saver, which used to combine two batteries when an alternator is charging engine running and isolate them when not charging engine off so you can still start your vehicle.. Designed with Small Size, Can Fit Anywhere Wide Use on a variety of vehicles--12V24V Trucks, ATVs, UTVs, Boats, RVs, Vans, Off-road Vehicle, Caravan Camping Applications.. Easy to install, Just power wire in, power wire out. No Need to discharge your vehicle's original battery by trying your new equipment off-road.

12V, 140A, 13.3V cut-in voltage, 12.8V cut-out voltage, Package Include All the Bits and Pieces Needed for a Complete Installation. Working Voltage Having Voltage Sensitive Chip,Rely Cuts in at 13.3 Volts and Cuts out at 12.8 Volts to Ensuring Primary Battery is Always Ready for Vehicle to Run.. FuctionLike Having Two Separate Power Sources,The Dual Battery Isolator Kit Enables Your Accessories to Run From a Separate Battery While the engine is not running on your vehicle While keeping your Main Battery Charged and Your Vehicle Always Ready to Go and Start When You Want It.. Compatibility This battery isolators are small and suitable for almost anywhere, for ATV, UTV, Boats, RV'smarine vehicle, truck, caravan. LIFETIME WARRANTY 100 High Quality and Enjoy Full Life Warranty, Free Exchange.

This item can install to most of vehicle,for example Truck, SUV, RV, ATV, UTV, Boat and so on.. Function Cause your accessories to run from a separate battery while the engine is not working on your vehicle, and at the mean time holding your main battery charged and your vehicle always ready to work.. This package is including 12 Volt 140 Amp Voltage Sensitive Relay Isolator and includes all other accessrioes.It is including instruction.. It can work in dusty, wet and unexpected extreme weather condition.. Warranty We provide 6-month warranty,If you have any questions ,You can contact us and we will reply you within 24 hours.

Heavy Duty ABS plastic housing, durable made for safety use, rear cover insulates terminals against any short of circuits, equiped with 4 sets of bolts.. Operation OnOff 2 positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.. 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.. Purpose eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely.. Copper terminal stud size 38 10 mm x 2, very easy to install, universal used for car, vehicle, Rv and boat, also electrical equipment's switch..