Auto Circuit Tester

"Quality initial, Honesty as base, Sincere support and mutual profit" is our idea, so as to build repeatedly and pursue the excellence for Auto Circuit Tester, 12v Outlet, Intelligent Battery Maintenance, Flash Warning Light, We aim at Ongoing system innovation, management innovation, elite innovation and market innovation, give full play to the overall advantages, and constantly improve service quality. Our mission is to become an innovative supplier of high-tech digital and communication devices by providing value added design, world-class manufacturing, and service capabilities for Auto Circuit Tester, Our company has a skillful sales team, strong economic foundation, great technical force, advanced equipment, complete testing means, and excellent after-sales services. Our items have beautiful appearance, fine workmanship and superior quality and win the unanimous approvals of the customers all over the world.


  • Excellent quality Automotive Circuit Tester - Auto 12 Volt Battery Voltage Tester Charging System Analyzer Monitor – Tonny

    Excellent quality Automotive Circuit Tester - Auto 12 Volt Battery Voltage Tester Charging System Analyzer Monitor – Tonny

    Battery test  A. With engine off, touch the positive battery post with the red probe and the negative battery post with the black probe. B. The glowing light will show battery condition. TECH TIP: Some heavy duty high output batteries may show a  reading above the number 3 light, causing the number 4 light in the alternator section to glow. This does not indicate a problem. Alternator Test A. With engine running, touch positive battery post with the red probe and the negative battery post wit...
  • Wholesale Price Tester Voltage - Heavy-Duty Continuity Tester 2 Range, 36 Inch Lead – Tonny

    Wholesale Price Tester Voltage - Heavy-Duty Continuity Tester 2 Range, 36 Inch Lead – Tonny

    CONTINUITY TESTER ● Durable ABS housing,heavy-duty design with over-molded rubber grips and a pocket clip ● 36 in. flexible leads with insulated alligator clip ● Sharp tip for probing circuits ● Bright 360° visual indication ● Tester will verify fuse viability CAUTION: Disconnect power source prior to working with any electrical repair to avoid electrical shock and injury. WARNING: Always wear eye protection which meets ANSI requirements when using any tools.
  • OEM/ODM China Auto Battery Tester - Heavy-Duty Continuity Tester 2 Range, 36 Inch Lead – Tonny

    OEM/ODM China Auto Battery Tester - Heavy-Duty Continuity Tester 2 Range, 36 Inch Lead – Tonny

    CONTINUITY TESTER ● Durable ABS housing,heavy-duty design with over-molded rubber grips and a pocket clip ● 36 in. flexible leads with insulated alligator clip ● Sharp tip for probing circuits ● Bright 360° visual indication ● Tester will verify fuse viability CAUTION: Disconnect power source prior to working with any electrical repair to avoid electrical shock and injury. WARNING: Always wear eye protection which meets ANSI requirements when using any tools.
  • 100% Original Electric Circuit Tester - Battery Saver 12/24 Volt Plug-In Digital Battery Tester w/USB   – Tonny

    100% Original Electric Circuit Tester - Battery Saver 12/24 Volt Plug-In Digital Battery Tester w/USB – Tonny

    ● Plug into a standard 12V/24V power outlet ● Two USB outlets for charging 2.4A+1.0A ● Voltage is displayed by digital read out to indicate battery charge level ● Flashing LED alarm and warning audible sounder indicates low battery voltage ● Replaceable 3A fuse ● Adjustable main plug angle ● Ideal for the vehicle that double as a mobile office
  • 100% Original Electric Circuit Tester - Circuit Tester Set (3pcs) – Tonny

    100% Original Electric Circuit Tester - Circuit Tester Set (3pcs) – Tonny

    ● Continuity tester, 6/12 volt tester, 18/24/36 volt tester ● For use on cars, trucks, boats, trailers and motorcycles ● Needle point probes A. Self-Powered Electrical Continuity Tester. Require one “AA”,1.5V battery (not included) Use this tester to test for continuity with the power disconnected. For use on recreational and general automotive vehicles. High and Low Voltage Tester Use this tester to check primary circuits of 6/12v On secondary or high voltage circuits you can che...
  • Good quality Electric Voltage Tester - 6-12v Circuit Tester – Tonny

    Good quality Electric Voltage Tester - 6-12v Circuit Tester – Tonny

    ● Do-it-yourself quality ● 6-12 volt tester ● Tests circuits with power on ● Reliable and economical ● Tests circuits, lights and fuses ● Lights for easy visibility. ● Durably designed for a long service life ● For testing 6-12 volt systems for wire breaks, shorts, fuses, lamps, relays, armatures and more. ● Suite able for a broad range of household, car, trucks, boats, trailers, vans, motorcycles, industrial and commercial uses.. Usage: This convenient circuit tester checks for shorts, groun...
  • Hot-selling 12v 24v Auto Circuit Tester - Battery Saver 12/24 Volt Plug-In Digital Battery Tester w/USB   – Tonny

    Hot-selling 12v 24v Auto Circuit Tester - Battery Saver 12/24 Volt Plug-In Digital Battery Tester w/USB – Tonny

    ● Plug into a standard 12V/24V power outlet ● Two USB outlets for charging 2.4A+1.0A ● Voltage is displayed by digital read out to indicate battery charge level ● Flashing LED alarm and warning audible sounder indicates low battery voltage ● Replaceable 3A fuse ● Adjustable main plug angle ● Ideal for the vehicle that double as a mobile office
  • Chinese Professional Battery Discharge Capacity Tester - Magnetic Retractable Test Leads – Tonny

    Chinese Professional Battery Discharge Capacity Tester - Magnetic Retractable Test Leads – Tonny

    ● Single or Double cord or Tripple cord ● Cord length: 10-20ft  or 10-30ft ● Cords: 18AWG ● Max current : 10A ● With strong magnets on the back ● Single cord 30-60ft for TE6-0712A ; ● Double cord 10-30ft for TE6-0712B ; ● Triple cord 10-20ft for TE6-0712C USAGE: ● TEST LEAD – Used for testing Electrical Wiring Circuits in Cars, Trailers, Boats, and more ● 18AWG WIRE TEST LEADS – Retractable Wire Test Leads Pull Out and Stay at Desired Length ● RETRACTABLE – Rewind Into its o...
  • 2018 High quality Digital Battery Tester - Battery Saver 12/24 Volt Plug-In Digital Battery Tester w/USB   – Tonny

    2018 High quality Digital Battery Tester - Battery Saver 12/24 Volt Plug-In Digital Battery Tester w/USB – Tonny

    ● Plug into a standard 12V/24V power outlet ● Two USB outlets for charging 2.4A+1.0A ● Voltage is displayed by digital read out to indicate battery charge level ● Flashing LED alarm and warning audible sounder indicates low battery voltage ● Replaceable 3A fuse ● Adjustable main plug angle ● Ideal for the vehicle that double as a mobile office
  • Wholesale Voltage Tester Pen - Auto 12 Volt Battery Voltage Tester Charging System Analyzer Monitor – Tonny

    Wholesale Voltage Tester Pen - Auto 12 Volt Battery Voltage Tester Charging System Analyzer Monitor – Tonny

    Battery test  A. With engine off, touch the positive battery post with the red probe and the negative battery post with the black probe. B. The glowing light will show battery condition. TECH TIP: Some heavy duty high output batteries may show a  reading above the number 3 light, causing the number 4 light in the alternator section to glow. This does not indicate a problem. Alternator Test A. With engine running, touch positive battery post with the red probe and the negative battery post wit...