Reviews Battery Charging Relay

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

  • 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..
Check Stock

12V 140A Dual Battery Isolator with Wiring Cable Kit -VSR Voltage Sensitive Relay Compatible with SUV Boat ATV UTV RV Truck-Double Battery Automatic Charger

  • This product is designed for dual battery systems,suit for Most 12V Charging systems.surge protection,Automatically sensing voltage level of main battery.
  • Voltage Sensitive Relay:Voltage Sensitive Relay:Cut in volt 13VDC,Cut out volt 12.8VDC.Ensure main battery is always charged and ready to run the vehicle . the Dual Battery Isolator can charge 2 Battery systems.
  • Constructed with a weatherproof body IP65 and durable silver tipped contacts.
  • Package include：1X 24” length Red Cable (with single connector)丨1x12” length Red Cable (with two connector)丨1x12” length black Cable (with two connector)丨2x SC16-8 Lugs丨1x blue insulated ring terminal丨2x orange heat shrink cover丨3x nut,2x washer,4x screws.
  • 2 Year Warranty:For any reason, if you are not satisfied with your purchase, contact us directly. We offer a 1-year warranty, 100% satisfaction guarantee..
Check Stock

Automotive Relay Tester 12V Auto Relay Diagnostic Tool Battery Checker Small Relay Tester with Clips

  • ...r will automatically detect the pin position, the release time of the action, and the consistency of the relay in each test phase. If the tester lights up the green LED light, the relay is normal.
  • if the red LED light is on, the relay is abnormal..
  • To Operate - First, clip the alligator clip of the tester to the car battery, the black clip on the negative pole, and the red clip on the positive pole. When the red LED light is on, it means the tester can start the test. Check the relay before testing. Select the appropriate socket according to the pins, insert the relay into sockets, press the "Test" button, and the tester will automatically detect the pin position of the unknown relay..
  • Fitment - Suitable for most general-purpose automotive relays on the market. When testing, it needs to be connected to the car's 11V-15V battery. The car battery must be a 12V battery, and the battery voltage must be between 11V-15V.
  • 2. The applicable coil resistance is preferably above 20 ohms..
  • Compact - Our automotive Relay tester is small and easy to carry around for on-the-go jobs or for easy storage. Its compact design allows easy use no matter where you are..
  • Simple and Quick - With our patented design this relay tester will give you the results you need quickl....
Check Stock

Electronic Specialties 191 Relay Buddy Pro Test Kit

  • Kit includes Relay Buddy tester, 5 new relay adapters and blow mold case.
  • Relay Buddy is a quick go/no go tester for the most common automotive relays.
  • With the included adapters, Relay Buddy now tests 5 different relay types and also tests shielded relays.
  • Relay Buddy will fail the relay and light the red LED if any of the test cycle proves unsuccessful during the test session.
  • Settable to 4 and 5-pin relay and uses vehicle's 12 volts battery for power.
Check Stock

Kanruis 12V 20A DC to DC On-Board Battery Charger for AGM Gel Calcium LiFePO4 VRLA Battery with Multi-Protections Multi-Stage Charging

  • APPLICATION: Kanruis DC to DC battery charger is sophisticated multi stage charger, utilizing switch mode and fully automatic computerized control,....
  • SAFE AND RELIABLE: The charger integrates over charging, short circuit, over temperature, thermal overload, solar input overload and input/output....
  • DUAL INPUT: Priority to charge from the main battery, and then from solar panel, no relay or switching required. Microchip monitoring and....
  • SUPERIOR DESIGN: Heavy duty aluminum case and mounting brackets contributes to resist harsh conditions and high quality wires ensure long last....
  • BATTERY-FRIENDLY: Use Pulse Charging Algorithm, which is designed to select the optimum charge mode and revive your discharged battery. And....
Check Stock

ATD Tools 5614 Relay Circuit Tester

  • Able to test an entire circuit - from battery to component, including the relay With this item the technician can jump a relay.
  • do an AC charge from the relay by activating the compressor.
  • do compression testing by activating the starter relay and even check turn signals or lights from the front of the car.
  • Allows the technician to diagnose the problem without the use of a multimeter.
  • The lighted display shows the technician the problem immediately.
  • With this item the technician can jump a relay.
  • Includes: (1) Tester, (6) popular Relay Leads, and (1) Universal Relay Lead.
Check Stock

Kemimoto Dual Battery Smart Isolator Kit, 12V 140Amp Voltage Sensitive Relay VSR & Digital Double Voltmeter Monitor & Wiring Cable Kit, Battery Automatic Charger for UTV ATV RV Car Truck Marine Boat

  • ...te Power Sources】The 12V 140Amp Dual Battery Isolator seperates two batteries from one another to provide power independtly--Strating Battery for engine to start the car and Auxiliary Battery for additional electrical parts such as lights, air conditioner, etc..
  • 【Smart Charging Function】More importantly, the isolator is smart-charging and equalize in charge between two batteries. It will prioritize charging to the starting battery, which avoid a failure of strating battery. Once the starting battery is full, reaching 13.3V, the isolator will allow power to flow to the auxiliary battery. But isolator will cut off the current when the starting battery drops to 12.8V..
  • 【Perfect Kit with Useful Accessories】This kit is equipped with necessary accessories which can perfectly serve for the isolator system. It includes a Smart Battery Isolator and other accessories including a Digital Double Voltmeter -- Monitoring the state of battery voltage.
  • 3 Marine Battery Terminal --Connecting a load or charger.
  • 3 Female Spade Connectors and 10 Cable Tie....
Check Stock

Painless Performance 30133 Weatherproof PCM Controlled Fan Relay Kit, Ground Activated

  • Inexpensive protection for an electric fan and a vehicle's wire harness.
  • Relay activation by grounding the relay coil can be provided by most Powertrain Control Modules.
  • Provides direct battery power, protects PCM from voltage spikes and prevents the fan from back feeding through the vehicle's wire harness.
  • Kit includes weatherproof: SPST 35-amp relay, 30-amp circuit breaker, relay base with 10' harness, crimp-on terminals and mounting hardware.
Check Stock

Voltage Sensitive Relay,Zhushan 12v 140amp Voltage Sensitive Relay Dual Intelligent Battery Isolator Used for Digital Display of Rv Yacht Steam Boat Intelligent Dual Battery Isolator

  • 【Unique Design】This compact battery isolator features an ultra-small (2.6" x 2.6" x 2") design and can be installed almost anywhere! Designed for dual battery systems, fits most 12V/24V charging systems, auto-senses main battery the voltage level.
  • 【Application】VSR battery Isolatoris suitable for 12V 4WD, Truck, Marine,Caravan,Boat,SUV, RV, ATV, UTV etc.Heavy duty silicone seal with reinforced housing inside is certified for off-road, waterproof, shockproof, dustproof, and safe to use in any condition.
  • 【Smart Battery Isolator】 This 12 volt 140 amp dual battery isolator cuts in at 13.3 volts and out at 12.8 volts to ensure your main battery is charged without worrying about getting stuck on the road with a dead battery.
  • 【Package Includes】1x Smart Battery lsolator,3x SC16-8 Copper crimp lugs,2x Red heat shrink,1x Black heat shrink,1x lnsulated blue ring terminal,4x Self tapping screw,3x M6 nut,4x M6 spring washer.
  • 【Note】This voltage sensitive relay is designed for two battery systems (for lead acid batteries, not for lithium battery ).
Check Stock

Electronic Specialties 190 Relay Buddy Automotive Relay Tester

  • Quick off-the-car relay tester - checks relay coil and switch contacts.
  • Automatic test with good/bad indication - fails bad relays.
  • Settable to 4 and 5 pin relay - tests the 3 most popular automotive relays.
  • Switch contact are loaded to detect excessive resistance.
  • Uses vehicle's 12 Volt battery for power.
Check Stock