Voltage testers

500+ products

Choose our reliable and convenient voltage tester and detector for safe use of your electrical devices.

BT-168 PRO Battery Tester - Digital Display - Universal Diagnostic Tool - Checks D, C, AAA, and AA Button Cell Batteries (1/5)

BT-168 PRO Battery Tester - Digital Display - Universal Diagnostic Tool - Checks D, C, AAA, and AA Button Cell Batteries (2/5)

BT-168 PRO Battery Tester - Digital Display - Universal Diagnostic Tool - Checks D, C, AAA, and AA Button Cell Batteries (3/5)

BT-168 PRO Battery Tester - Digital Display - Universal Diagnostic Tool - Checks D, C, AAA, and AA Button Cell Batteries

~~£33.50~~

Free shipping

Non-Contact Voltage Detector, AC Voltage Tester 12-1000V with Adjustable Sensitivity with Flashlight and Audible Alarm, Neutral/Phase Wire Test and Detect Firewire Zero Line (1/5)

Non-Contact Voltage Detector, AC Voltage Tester 12-1000V with Adjustable Sensitivity with Flashlight and Audible Alarm, Neutral/Phase Wire Test and Detect Firewire Zero Line

~~£31.14~~

Free shipping

1 PCS Car Electrical Circuit Tester, 12V Mechanic Warning Light, Tester for Car Circuit Tester Pen, Automotive Circuit Tester Pen DC 6V 12V 24V, Bi-Color LED Flashing Light (1/5)

1 PCS Car Electrical Circuit Tester, 12V Mechanic Warning Light, Tester for Car Circuit Tester Pen, Automotive Circuit Tester Pen DC 6V 12V 24V, Bi-Color LED Flashing Light

~~£33.57~~

Free shipping

1 PCS 12V Car Battery Tester Auto Alternator Tester, 12V Car Battery Tester, Alternator Load Tester for Checking Alternator and Battery Charging System (1/5)

1 PCS 12V Car Battery Tester Auto Alternator Tester, 12V Car Battery Tester, Alternator Load Tester for Checking Alternator and Battery Charging System

~~£33.57~~

Free shipping

1 PCS Battery Tester,Universal Battery Tester,Multi Size Digital Battery Tester,Battery Voltage Checker for AA AAA C D 9V 1.5V Key Lock Batteries (Black,Model: BT-168) (1/5)

1 PCS Battery Tester,Universal Battery Tester,Multi Size Digital Battery Tester,Battery Voltage Checker for AA AAA C D 9V 1.5V Key Lock Batteries (Black,Model: BT-168)

~~£33.57~~

Free shipping

Voltage tester/phase tester up to 250 V red/black 190 mm (1/4)

Voltage tester/phase tester up to 250 V red/black 190 mm (2/4)

Voltage tester/phase tester up to 250 V red/black 190 mm

~~£32.80~~

Free shipping

Générateur d impulsions électromagnétiques émetteur de fréquence EMP 150 MHz prise UE compatible 100 240 VAC

Free shipping

FLITI Electric Fence Tester 1000-10000V Waterproof Voltmeter ABS Copper 6 LED for Farms (1/5)

FLITI Electric Fence Tester 1000-10000V Waterproof Voltmeter ABS Copper 6 LED for Farms (2/5)

FLITI Electric Fence Tester 1000-10000V Waterproof Voltmeter ABS Copper 6 LED for Farms (3/5)

FLITI Electric Fence Tester 1000-10000V Waterproof Voltmeter ABS Copper 6 LED for Farms (4/5)

FLITI Electric Fence Tester 1000-10000V Waterproof Voltmeter ABS Copper 6 LED for Farms

~~£23.16~~

Timing Belt Tension Gauge Tester, Detection and Measurement Tool for Professional Automotive Repair (1/5)

Timing Belt Tension Gauge Tester, Detection and Measurement Tool for Professional Automotive Repair (2/5)

Timing Belt Tension Gauge Tester, Detection and Measurement Tool for Professional Automotive Repair (3/5)

Timing Belt Tension Gauge Tester, Detection and Measurement Tool for Professional Automotive Repair (4/5)

Timing Belt Tension Gauge Tester, Detection and Measurement Tool for Professional Automotive Repair

~~£62.07~~

Free shipping

Quartz Watch, Mobile Battery Tester Pulse Button and Repair Analyzer Tools, Repair Kits, Portable Detection Tool for Testing (1/5)

Quartz Watch, Mobile Battery Tester Pulse Button and Repair Analyzer Tools, Repair Kits, Portable Detection Tool for Testing (2/5)

Quartz Watch, Mobile Battery Tester Pulse Button and Repair Analyzer Tools, Repair Kits, Portable Detection Tool for Testing (3/5)

Quartz Watch, Mobile Battery Tester Pulse Button and Repair Analyzer Tools, Repair Kits, Portable Detection Tool for Testing

Free shipping

Portable Network Telephone Wire Tracker Telephone Cable Tester Toner Tracer RJ11 (1/5)

Portable Network Telephone Wire Tracker Telephone Cable Tester Toner Tracer RJ11 (2/5)

Portable Network Telephone Wire Tracker Telephone Cable Tester Toner Tracer RJ11 (3/5)

Portable Network Telephone Wire Tracker Telephone Cable Tester Toner Tracer RJ11 (4/5)

Portable Network Telephone Wire Tracker Telephone Cable Tester Toner Tracer RJ11

~~£53.99~~

The car circuit test pen accurately tests voltage and is suitable for troubleshooting car mechanical maintenance power outages (1/5)

The car circuit test pen accurately tests voltage and is suitable for troubleshooting car mechanical maintenance power outages (2/5)

The car circuit test pen accurately tests voltage and is suitable for troubleshooting car mechanical maintenance power outages (3/5)

The car circuit test pen accurately tests voltage and is suitable for troubleshooting car mechanical maintenance power outages

~~£33.70~~

Free shipping

Blue 3 in 1 Electrical Conductivity Tester, TDS EC Measuring Pen for Water Quality Analysis with Backlight Function (1/3)

Blue 3 in 1 Electrical Conductivity Tester, TDS EC Measuring Pen for Water Quality Analysis with Backlight Function

~~£30.63~~

Free shipping

8-in-1 Electrical Circuit Tester Multifunctional Voltage Tester Pen Continuity Detector 6V-380V for Voltage Voltmeter for Circuit Voltage Tester (1/4)

8-in-1 Electrical Circuit Tester Multifunctional Voltage Tester Pen Continuity Detector 6V-380V for Voltage Voltmeter for Circuit Voltage Tester

~~£33.74~~

Free shipping

battery tester, ABS digital battery detector, battery tester/detector, digital battery detector (1/5)

battery tester, ABS digital battery detector, battery tester/detector, digital battery detector (2/5)

battery tester, ABS digital battery detector, battery tester/detector, digital battery detector (3/5)

battery tester, ABS digital battery detector, battery tester/detector, digital battery detector

Free shipping

Battery Tester, Battery Capacity Tester, Digital Display Battery Tester, Multifunctional Power Tester (1/5)

Battery Tester, Battery Capacity Tester, Digital Display Battery Tester, Multifunctional Power Tester (2/5)

Battery Tester, Battery Capacity Tester, Digital Display Battery Tester, Multifunctional Power Tester (3/5)

Battery Tester, Battery Capacity Tester, Digital Display Battery Tester, Multifunctional Power Tester

~~£35.63~~

Free shipping

BSIDE X1 Intelligent Dual Mode NCV Detector Multimeter Electrical Test Pen Portable Tester Pen with Audible and Visual Alarm LED Flashlight for Electricians (1/4)

BSIDE X1 Intelligent Dual Mode NCV Detector Multimeter Electrical Test Pen Portable Tester Pen with Audible and Visual Alarm LED Flashlight for Electricians

Free shipping

BT-168D Universal Digital Battery Voltage Tester with Digital Battery Display for AAA, AA, C, D, 1.5V Batteries, Chargers, and Button Cells (1/5)

BT-168D Universal Digital Battery Voltage Tester with Digital Battery Display for AAA, AA, C, D, 1.5V Batteries, Chargers, and Button Cells (2/5)

BT-168D Universal Digital Battery Voltage Tester with Digital Battery Display for AAA, AA, C, D, 1.5V Batteries, Chargers, and Button Cells (3/5)

BT-168D Universal Digital Battery Voltage Tester with Digital Battery Display for AAA, AA, C, D, 1.5V Batteries, Chargers, and Button Cells

~~£34.94~~

Free shipping

Automotive circuit tester, green bulb voltage test pen, DC 6V, 12V, 24V (1/5)

Automotive circuit tester, green bulb voltage test pen, DC 6V, 12V, 24V (2/5)

Automotive circuit tester, green bulb voltage test pen, DC 6V, 12V, 24V (3/5)

Automotive circuit tester, green bulb voltage test pen, DC 6V, 12V, 24V

~~£34.06~~

Free shipping

Electrical outlet tester with digital LCD screen with NCV test, RCD polarity circuit voltage detector, for home, school, office, laboratory, and factory safety inspection (1/5)

Electrical outlet tester with digital LCD screen with NCV test, RCD polarity circuit voltage detector, for home, school, office, laboratory, and factory safety inspection

~~£34.86~~

Free shipping

Voltmeter Battery Tester Auto Car Truck Caravan 12V 24V Cigarette Lighter (1/4)

Voltmeter Battery Tester Auto Car Truck Caravan 12V 24V Cigarette Lighter (2/4)

Voltmeter Battery Tester Auto Car Truck Caravan 12V 24V Cigarette Lighter

~~£31.07~~

Free shipping

Digital Battery Tester, Universal Battery Tester, Battery Tester, for AA, AAA, C, D, PP3, 9V, 1.5V, Button Cell Batteries - Works without Batteries (1/5)

Digital Battery Tester, Universal Battery Tester, Battery Tester, for AA, AAA, C, D, PP3, 9V, 1.5V, Button Cell Batteries - Works without Batteries (2/5)

Digital Battery Tester, Universal Battery Tester, Battery Tester, for AA, AAA, C, D, PP3, 9V, 1.5V, Button Cell Batteries - Works without Batteries (3/5)

Digital Battery Tester, Universal Battery Tester, Battery Tester, for AA, AAA, C, D, PP3, 9V, 1.5V, Button Cell Batteries - Works without Batteries

~~£31.07~~

Free shipping

Test Pencil, Voltage Tester, Inductive Test, Non-Contact Digital Display, Electrical LED Panel for AC DC (1/5)

Test Pencil, Voltage Tester, Inductive Test, Non-Contact Digital Display, Electrical LED Panel for AC DC (2/5)

Test Pencil, Voltage Tester, Inductive Test, Non-Contact Digital Display, Electrical LED Panel for AC DC (3/5)

Test Pencil, Voltage Tester, Inductive Test, Non-Contact Digital Display, Electrical LED Panel for AC DC

~~£30.23~~

Free shipping

Tools Non-Contact Alarm AC Voltage Detector Meter Electrical Indicator Tester Sensor Test Pencil Electrician Test (1/4)

Tools Non-Contact Alarm AC Voltage Detector Meter Electrical Indicator Tester Sensor Test Pencil Electrician Test (2/4)

Tools Non-Contact Alarm AC Voltage Detector Meter Electrical Indicator Tester Sensor Test Pencil Electrician Test

~~£30.23~~

Free shipping

LED Voltmeter Signal Light Digital Display DC Voltage Indicator Round Lamp Tester (Green) (1/5)

LED Voltmeter Signal Light Digital Display DC Voltage Indicator Round Lamp Tester (Green) (2/5)

LED Voltmeter Signal Light Digital Display DC Voltage Indicator Round Lamp Tester (Green) (3/5)

LED Voltmeter Signal Light Digital Display DC Voltage Indicator Round Lamp Tester (Green)

~~£30.23~~

Free shipping

Voltage Detector Pen Digital Display 12-250V AC DC Voltage Tester Circuit Line Test for Repair (1/5)

Voltage Detector Pen Digital Display 12-250V AC DC Voltage Tester Circuit Line Test for Repair (2/5)

Voltage Detector Pen Digital Display 12-250V AC DC Voltage Tester Circuit Line Test for Repair (3/5)

Voltage Detector Pen Digital Display 12-250V AC DC Voltage Tester Circuit Line Test for Repair

~~£30.23~~

Free shipping

2pcs Tester Screwdriver, Voltage Tester Pen, 70-250V Electrical Voltage Detector, Electrical Testers, ABS Shell, for Circuit Repair (1/5)

2pcs Tester Screwdriver, Voltage Tester Pen, 70-250V Electrical Voltage Detector, Electrical Testers, ABS Shell, for Circuit Repair (2/5)

2pcs Tester Screwdriver, Voltage Tester Pen, 70-250V Electrical Voltage Detector, Electrical Testers, ABS Shell, for Circuit Repair (3/5)

2pcs Tester Screwdriver, Voltage Tester Pen, 70-250V Electrical Voltage Detector, Electrical Testers, ABS Shell, for Circuit Repair

~~£30.23~~

Free shipping

Voltage tester/phase tester up to 250 V red/black 190 mm, voltage tester and detector (1/4)

Voltage tester/phase tester up to 250 V red/black 190 mm, voltage tester and detector (2/4)

Voltage tester/phase tester up to 250 V red/black 190 mm, voltage tester and detector

~~£30.23~~

Free shipping

Universal Battery Tester, Digital Battery Tester, for AA AAA C D 9V Key-Type Batteries 1.5V Battery Voltage Controller (1/5)

Universal Battery Tester, Digital Battery Tester, for AA AAA C D 9V Key-Type Batteries 1.5V Battery Voltage Controller (2/5)

Universal Battery Tester, Digital Battery Tester, for AA AAA C D 9V Key-Type Batteries 1.5V Battery Voltage Controller (3/5)

Universal Battery Tester, Digital Battery Tester, for AA AAA C D 9V Key-Type Batteries 1.5V Battery Voltage Controller

~~£33.58~~

Free shipping

AA AAA CD 9V 1.5V LR03 LR6 LR14 LR20 Battery Tester Button Battery Tester Black BT-168 (1/5)

AA AAA CD 9V 1.5V LR03 LR6 LR14 LR20 Battery Tester Button Battery Tester Black BT-168 (2/5)

AA AAA CD 9V 1.5V LR03 LR6 LR14 LR20 Battery Tester Button Battery Tester Black BT-168 (3/5)

AA AAA CD 9V 1.5V LR03 LR6 LR14 LR20 Battery Tester Button Battery Tester Black BT-168

~~£33.58~~

Free shipping

Digital Battery Tester - Universal Battery Tester - Battery Tester - For AA, AAA, C, D, PP3, 9V, 1.5V, Button Cell Batteries - Works without Batteries

~~£33.58~~

Free shipping

Reactive electrical tester pen, non-contact voltage tester pen, screwdriver for 24-250V electrical tester pen, test pen with indicator light (1/5)

Reactive electrical tester pen, non-contact voltage tester pen, screwdriver for 24-250V electrical tester pen, test pen with indicator light (2/5)

Reactive electrical tester pen, non-contact voltage tester pen, screwdriver for 24-250V electrical tester pen, test pen with indicator light (3/5)

Reactive electrical tester pen, non-contact voltage tester pen, screwdriver for 24-250V electrical tester pen, test pen with indicator light

~~£32.53~~

Free shipping

Non-contact AC voltage detector, 12V-1000V, yellow (1/5)

Non-contact AC voltage detector, 12V-1000V, yellow (2/5)

Non-contact AC voltage detector, 12V-1000V, yellow (3/5)

Non-contact AC voltage detector, 12V-1000V, yellow

~~£32.53~~

Free shipping

Digital Battery Tester, Universal Battery Tester, Battery Tester, for AA, AAA, C, D, PP3, 9V, 1.5V, Button Cell Batteries - Works without Batteries

~~£32.53~~

Free shipping

Non-Contact Electrical Voltage Detector Pen Circuit Tester Tool 48-1000V/12-1000V (Black) (1/5)

Non-Contact Electrical Voltage Detector Pen Circuit Tester Tool 48-1000V/12-1000V (Black) (2/5)

Non-Contact Electrical Voltage Detector Pen Circuit Tester Tool 48-1000V/12-1000V (Black) (3/5)

Non-Contact Electrical Voltage Detector Pen Circuit Tester Tool 48-1000V/12-1000V (Black)

~~£32.53~~

Free shipping

Non-Contact Electrical Voltage Detector Pen Circuit Tester Tool 48-1000V/12-1000V (Black)

~~£32.53~~

Free shipping

Reactive electrical tester pen, 70-250V waterproof voltage tester pen, reactive electrical tester pen, non-contact voltage tester pen (1 piece) (1/5)

Reactive electrical tester pen, 70-250V waterproof voltage tester pen, reactive electrical tester pen, non-contact voltage tester pen (1 piece) (2/5)

Reactive electrical tester pen, 70-250V waterproof voltage tester pen, reactive electrical tester pen, non-contact voltage tester pen (1 piece) (3/5)

Reactive electrical tester pen, 70-250V waterproof voltage tester pen, reactive electrical tester pen, non-contact voltage tester pen (1 piece)

Free shipping

ANNENG BATTERY TESTER 168MAX Digital Display Voltage Check Capacity Test Universal for AAA AA Button Battery Check (1/5)

ANNENG BATTERY TESTER 168MAX Digital Display Voltage Check Capacity Test Universal for AAA AA Button Battery Check (2/5)

ANNENG BATTERY TESTER 168MAX Digital Display Voltage Check Capacity Test Universal for AAA AA Button Battery Check (3/5)

ANNENG BATTERY TESTER 168MAX Digital Display Voltage Check Capacity Test Universal for AAA AA Button Battery Check

~~£32.15~~

Free shipping

Steckdosentester, digitaler Leitungsschutzschalterdetektor, Spannungsprüfer zur Überprüfung der Polarität elektrischer Stromkreise mit Spannungsanzeige, Wechselstrom 110-250 V (EU-Stecker) (1/5)

Steckdosentester, digitaler Leitungsschutzschalterdetektor, Spannungsprüfer zur Überprüfung der Polarität elektrischer Stromkreise mit Spannungsanzeige, Wechselstrom 110-250 V (EU-Stecker)

~~£51.84~~

Free shipping

Voltage Tester, 10000V Non-Contact Voltage Tester, Pocket Clamp Electric Fence Tester for Farm Electric Fence Voltage Test Waterproof Electric Tester (1/5)

Voltage Tester, 10000V Non-Contact Voltage Tester, Pocket Clamp Electric Fence Tester for Farm Electric Fence Voltage Test Waterproof Electric Tester

~~£31.54~~

Free shipping

Universal Battery Tester, Digital Battery Tester, for AA AAA CD 9V Key-Type Batteries 1.5V Battery Voltage Controller

~~£34.42~~

Wire circuit tester, voltage probe pen, safety wire tester, car voltage suitable for motorcycles (1/5)

Wire circuit tester, voltage probe pen, safety wire tester, car voltage suitable for motorcycles (2/5)

Wire circuit tester, voltage probe pen, safety wire tester, car voltage suitable for motorcycles (3/5)

Wire circuit tester, voltage probe pen, safety wire tester, car voltage suitable for motorcycles

~~£35.66~~

Free shipping

Non-Contact Voltage Detector, VT01 Adjustable Sensitivity/Dual Range 12V-1000V, 48V-1000V/Audible Alarm and Real-Time Judgment (1/4)

Non-Contact Voltage Detector, VT01 Adjustable Sensitivity/Dual Range 12V-1000V, 48V-1000V/Audible Alarm and Real-Time Judgment (2/4)

Non-Contact Voltage Detector, VT01 Adjustable Sensitivity/Dual Range 12V-1000V, 48V-1000V/Audible Alarm and Real-Time Judgment

~~£34.36~~

Free shipping

Non-Contact Voltage Detector With Voltage Tester Pen Electrician Tools AC 12-1000V Voltage Detector With Sound and Light Alarm and Flashlight with Instructions (1/5)

Non-Contact Voltage Detector With Voltage Tester Pen Electrician Tools AC 12-1000V Voltage Detector With Sound and Light Alarm and Flashlight with Instructions

~~£31.39~~

Free shipping

270mm Spark Plug Tester, Automotive Spark Plug Ignition Tester, Ignition Instrument Detector, Bypass Gauge Detector (1/4)

270mm Spark Plug Tester, Automotive Spark Plug Ignition Tester, Ignition Instrument Detector, Bypass Gauge Detector (2/4)

270mm Spark Plug Tester, Automotive Spark Plug Ignition Tester, Ignition Instrument Detector, Bypass Gauge Detector

~~£31.77~~

Free shipping

12V Battery Voltage Tester for Cars, Trucks and Motorcycles – Accurate Digital Display, Fault Detection and Automotive Diagnostics (1/4)

12V Battery Voltage Tester for Cars, Trucks and Motorcycles – Accurate Digital Display, Fault Detection and Automotive Diagnostics (2/4)

12V Battery Voltage Tester for Cars, Trucks and Motorcycles – Accurate Digital Display, Fault Detection and Automotive Diagnostics (3/4)

12V Battery Voltage Tester for Cars, Trucks and Motorcycles – Accurate Digital Display, Fault Detection and Automotive Diagnostics

DC 6V 12V 24V Automotive Circuit Tester Pen with Red Green LED Bulb Indicator Lamp Suitable for Cars, Trucks, Motorcycles, Boats and More (1/4)

DC 6V 12V 24V Automotive Circuit Tester Pen with Red Green LED Bulb Indicator Lamp Suitable for Cars, Trucks, Motorcycles, Boats and More (2/4)

DC 6V 12V 24V Automotive Circuit Tester Pen with Red Green LED Bulb Indicator Lamp Suitable for Cars, Trucks, Motorcycles, Boats and More

~~£35.79~~

Free shipping

Voltage Tester Pen for Car Truck, DC 6V/12V/24V (1/4)

Voltage Tester Pen for Car Truck, DC 6V/12V/24V (2/4)

Voltage Tester Pen for Car Truck, DC 6V/12V/24V

~~£38.44~~

Free shipping

2 Pieces Screwdriver Tester, Voltage Tester Pen, 70‑250V Electrical Voltage Detector, Electrical Testers, ABS Shell, for Circuit Repair (1/4)

2 Pieces Screwdriver Tester, Voltage Tester Pen, 70‑250V Electrical Voltage Detector, Electrical Testers, ABS Shell, for Circuit Repair (2/4)

2 Pieces Screwdriver Tester, Voltage Tester Pen, 70‑250V Electrical Voltage Detector, Electrical Testers, ABS Shell, for Circuit Repair

~~£31.08~~

Free shipping

Screwdriver Voltage Tester 2 in 1 Two-Color Electricity Detector, Strong Torque Magnetic Tester, for Electrical Safety (1/5)

Screwdriver Voltage Tester 2 in 1 Two-Color Electricity Detector, Strong Torque Magnetic Tester, for Electrical Safety (2/5)

Screwdriver Voltage Tester 2 in 1 Two-Color Electricity Detector, Strong Torque Magnetic Tester, for Electrical Safety (3/5)

Screwdriver Voltage Tester 2 in 1 Two-Color Electricity Detector, Strong Torque Magnetic Tester, for Electrical Safety

~~£30.72~~

Free shipping

Automotive circuit test pen, portable car test pen (1/4)

Automotive circuit test pen, portable car test pen (2/4)

Automotive circuit test pen, portable car test pen

~~£34.11~~

Free shipping

DC 6V, 12V, 24V Automotive Circuit Tester, Yellow Bulb Voltage Tester (1/5)

DC 6V, 12V, 24V Automotive Circuit Tester, Yellow Bulb Voltage Tester (2/5)

DC 6V, 12V, 24V Automotive Circuit Tester, Yellow Bulb Voltage Tester (3/5)

DC 6V, 12V, 24V Automotive Circuit Tester, Yellow Bulb Voltage Tester

~~£34.13~~

Free shipping

Voltage tester pen for car and truck, DC 6V/12V/24V, Gold, Fonepro (1/5)

Voltage tester pen for car and truck, DC 6V/12V/24V, Gold, Fonepro (2/5)

Voltage tester pen for car and truck, DC 6V/12V/24V, Gold, Fonepro (3/5)

Voltage tester pen for car and truck, DC 6V/12V/24V, Gold, Fonepro

~~£32.55~~

Free shipping

Digital Battery Tester - Universal Battery Tester - Battery Tester - For AA, AAA, C, D, PP3, 9V, 1.5V, Button Cell Batteries - Works without Batteries (1/4)

Digital Battery Tester - Universal Battery Tester - Battery Tester - For AA, AAA, C, D, PP3, 9V, 1.5V, Button Cell Batteries - Works without Batteries (2/4)

Digital Battery Tester - Universal Battery Tester - Battery Tester - For AA, AAA, C, D, PP3, 9V, 1.5V, Button Cell Batteries - Works without Batteries

~~£36.87~~

Free shipping