Which are the best battery isolator available in 2019?
We spent many hours on research to finding battery isolator, reading product features, product specifications for this guide. For those of you who wish to the best battery isolator, you should not miss this article. battery isolator coming in a variety of types but also different price range. The following is the top 9 battery isolator by our suggestions:
Best battery isolator
1. Power Relay battery Isolator 500 Amp High Current For 12V Metra Install Bay
Feature
500 amp Battery Isolator RelayGreat for isolating a second battery making it dedicated to the stereo system
Does not create a voltage drop to the second battery like conventional isolators
Prevents primary battery discharge; Maximum current transfer
Extends battery life; Compatible with universal 12V Applications
Description
500 Amp Battery Isolator and Relay Great for isolating a second battery making it dedicated to the stereo system Does not create a voltage drop to the second battery like conventional isolators Prevents primary battery discharge Maximum current transfer Extends battery life Compatible with universal 12V Applications2. 12V 140 Amp Dual Battery Isolator by KeyLine Chargers - Voltage Sensitive Relay (VSR) Pro Dual Battery Kit)
Feature
ZERO VOLTAGE DROP: Forget the traditional diode relays and so-called "solid state" devices that can rob you of almost 2 amps of output voltage! 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!
CERTIFIED SAFE: 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 charger 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!!
Description
Your search for the best automatic battery isolator is over! KeyLine Chargers 140amp Battery Isolator is the best value battery charger on the market.- Zero Voltage Drop. Won't rob precious power from your batteries and electrical system, unlike heat sinking competitors'.
- Small Convenient Size. Only about 2 inches tall, wide & deep (2.6" x 2.6" x 2") the isolater fits just about anywhere!
- Fast & Easy Installation. Simple power wire IN, power wire OUT install. Comes with mounting plate/template.
- IP65 Weather & Strong Vibration Protection. Suitable for all off-road vehicles and weather exposed applications.
- Most Efficient Programming in the Business. Ensures your electrical system functions properly and batteries charge accurately.
- Voltage Sensitive Relay (VSR). Specially designed for ATV, UTV, boats, RV's, campers, 5th wheels, off road vehicles, Rhino, Polaris, Artic, Cat, Etc.
- Comes With Necessary Hardware & Mounting Instructions
- Dual Battery Voltage Sensitive Isolator User Guide
- Full 1 Year Warranty
by KeyLine Chargers
3. PAC PAC-200 200 Amp Relay Battery Isolator, standard
Feature
Mobile Audio Relay and Battery IsolatorGreat for isolating a second battery making it dedicated to the stereo system
Does not create a voltage drop to the second battery like conventional isolators
200-Amps at 12-volt Continuous Power Handling
Draws Less Than 1-Amp When On
Description
200-Amp Power Relay/Battery Isolator4. WirthCo 20092 Battery Doctor 125 Amp/150 Amp Battery Isolator
Feature
Water resistant (IP62) - suitable for marine usePriority charging for starting battery
Automatically charges auxiliary battery
Manual override for starting battery
Over current and surge protected for vehicles with electronic systems
Description
WirthCo Battery Doctor Battery Isolator - 125/150 peak amperes is a state-of-the-art, fully automatic, dual battery controller that is suitable for any vehicle with an auxiliary battery. Smaller and lighter than other standard battery isolators, the battery isolator employs electronic switching control technology. High-performance electronic isolator allows you to charge two batteries from a single alternator, and keeps the starting battery isolated from the second battery. Also, with a single push of the override/reset button, you can change the batteries to parallel mode for jump-starting. This is water resistant; making it suitable for marine use (IP62). It includes a mounting bracket and over-current and surge protected for vehicles with electronic systems. For over 30 years, WirthCo has been a prime manufacturer of practical products for making life easier and safer. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.5. Stinger SGP38 80-AMP Battery Isolator and Relay,BLACK
Feature
80 AMP Battery Isolator and RelayPrevents primary battery discharge.80A constant 150A peak
Maximum current transfer
Extends battery life
Universal 12V Applications
Description
Ideal for battery isolation, Stinger's high current relays are the most reliable and efficient way to add secondary batteries to your system. Compatible with all types of alternators and charging systems, simply connect these relays to operate when the ignition is turned on. The battery systems remain separate while the ignition is off, preventing system drain. Water resistant black phenolic plastic, 100,000 mechanical cycle life.6. Smart Dual Battery 140A Isolator (VSR Voltage Sensitive Relay) for Auto/Boat/RV
Feature
12V 140A smart isolator with Cut-In:13.4V, Cut-Out:12.9VEasy 3 wire connection at the battery. No need to bypass existing alternator wiring
The smart isolator has no voltage drop. Conventional diode isolators incur a minimum of 0.6 volt drop
Compact 2.5 inch by 2.5 inch by 2 inch size - No large heat sink
Easy to install anywhere - Water and dust resistant
Description
A smart isolator is the ultra-simple and most technologically advanced method of automatic battery isolation. These units can be installed between batteries with a common ground to automatically control the charging process to the batteries but continue to provide isolation when a charging source is unavailable. The small size and rugged construction of these units allow for quick simple installation for even the most novice DIYer. The smart isolator is also "Dual Sensing" which senses the charge of both batteries. If either battery is receiving a charge, e.g. a battery charger is connected to the auxiliary battery; the relay will engage and charge both batteries. The advanced technology always insures that the first battery is fully charged (13.4v) before connection is made to the second battery. This prevents problems that may result from your charging source being too low in amps to charge all batteries as once. If placed in linear sequence between each battery the isolator units can provide proper charging for several batteries in a multiple battery setup such as in larger boats that may have 2 or more house batteries. How it works: The smart isolator allows two batteries to be charged at the same time. When the engine is started and either battery reaches 13.4 volts, the relay engages, allowing two battery banks (start and accessory) to be charged simultaneously. When the voltage drops below 12.9 volts (eg the engine is stopped), the relay disengages, separating the batteries. This system eliminates the possibility of draining the start battery and protects sensitive electronic equipment powered from the house battery from harmful engine start up spikes.7. Cole Hersee 48120 Battery Isolator
Feature
100% New aftermarket unit built to meet OEM specifications1-year warranty protects you after your purchase
Factory direct pricing with no middleman markup delivers exceptional value
Description
Cole Hersee # 48120-140 Amp Battery Isolator that is used to convert from a 1-battery system to a 2-battery system.Used in many High Amp Stereo systems, EMS vehicles and Fire Trucks.
This isolator will work on most vehicles except General Motors years 1988 - 2007.
For General Motors vehicles 1988-2007, you will need #48122 or #48162 which are in a separate listing.
A battery isolator allows you to charge 2 batteries from a single alternator, keeping the starting battery isolated from the 2nd battery.
Easy to install - instructions are included.
Input Volts: 12VDC
Output Volts: 12VDC Volts
Output Amps Peak: 140 Amps
Number of Input Terminals: 1
Number of Output Terminals: 2
Includes Installation Kit?: No
Mounting Length: 152.4mm / 6.000in
Mounting Width: 122.2mm / 4.811in
Mounting Height: 84.9mm / 3.343in
Notes:
(1) 5/16-18 Input & (2) 5/16-18 Output Studs
8. WirthCo 20090 Battery Doctor 75 Amp/100 Amp Battery Isolator
Feature
Water resistant (IP62) - suitable for marine usePriority charging for starting battery
Automatically charges auxiliary battery
Manual override for starting battery
Over current and surge protected for vehicles with electronic systems
Description
WirthCo Battery Doctor Battery Isolator - 75/100 peak ampere is a state-of-the-art, fully automatic, dual battery controller that is suitable for any vehicle with an auxiliary battery. Smaller and lighter than other standard battery isolators, the battery isolator employs electronic switching control technology. High-performance electronic isolator allows you to charge two batteries from a single alternator, and keeps the starting battery isolated from the second battery. Also, with a single push of the override/reset button, you can change the batteries to parallel mode for jump-starting. This is water resistant; making it suitable for marine use (IP62). It includes a mounting bracket and over-current and surge protected for vehicles with electronic systems. For over 30 years, WirthCo has been a prime manufacturer of practical products for making life easier and safer. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.9. Cole Hersee 48160 Battery Isolator
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