Power Testers(866)
Uses item details. Price when purchased online
WiFi Electricity Usage Monitor, Zuomeng Plug-in WiFi Power Meter with Sound Alarm, Refrigerator Power Consumption Monitoring and Electricity Bill Statistics $35.99

Sponsored
$3599
current price $35.99WiFi Electricity Usage Monitor, Zuomeng Plug-in WiFi Power Meter with Sound Alarm, Refrigerator Power Consumption Monitoring and Electricity Bill Statistics
Best seller TESMEN TN-213 Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LED Indicator, Waterproof, Pocket-Sized $14.99 Was $19.99

Sponsored
Now$1499
current price Now $14.99, Was $19.99$19.99
TESMEN TN-213 Non-Contact Voltage Tester Pen, Electrical Tester with Dual Sensitivity Modes, LED Indicator, Waterproof, Pocket-Sized
594.6 out of 5 Stars. 59 reviews
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POROMETISTO MT01S Digital Multimeter, 4000 Count Auto-Ranging Multi Tester for AC/DC Voltage, Resistance, Continuity, NCV & Data Hold, Electrical Tester for Home, Car, DIY $17.99 Was $20.99

Sponsored
Now$1799
current price Now $17.99, Was $20.99$20.99
POROMETISTO MT01S Digital Multimeter, 4000 Count Auto-Ranging Multi Tester for AC/DC Voltage, Resistance, Continuity, NCV & Data Hold, Electrical Tester for Home, Car, DIY
15 out of 5 Stars. 1 reviews
2PCS Non-Contact Voltage Tester Pen - AC/DC 12-220V Detector - Current Sensor - Safe Volt Detector for Outlets/Wires/Circuits. (One character and cross head) From $9.90

Sponsored
From$990
2PCS Non-Contact Voltage Tester Pen - AC/DC 12-220V Detector - Current Sensor - Safe Volt Detector for Outlets/Wires/Circuits. (One character and cross head)
43.3 out of 5 Stars. 4 reviews
50+ bought since yesterday Hyper Tough Non-Contact Voltage Sensor TD35234J, New 0.75 in, 1.6 oz Assembled Product Weight, AC Range 70 - 1000 V $9.97

$997
current price $9.97Hyper Tough Non-Contact Voltage Sensor TD35234J, New 0.75 in, 1.6 oz Assembled Product Weight, AC Range 70 - 1000 V
3804.4 out of 5 Stars. 380 reviews
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Best seller Hyper Tough GFCI Receptacle Tester TD35091B, Condition New, Height 1 in, 1.92 oz Weight, 125 V $7.28

$728
current price $7.28Hyper Tough GFCI Receptacle Tester TD35091B, Condition New, Height 1 in, 1.92 oz Weight, 125 V
2374.8 out of 5 Stars. 237 reviews
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Best seller EverStart Automotive 300 Volt Digital LCD Multimeter, 10711WDI, New, 11 inch $14.92

$1492
current price $14.92EverStart Automotive 300 Volt Digital LCD Multimeter, 10711WDI, New, 11 inch
4334.3 out of 5 Stars. 433 reviews
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Best seller Hyper Tough Digital Multimeter TD35235J, 3 1/2 Digit Screen, New, 4.25 inch Assembled Product Width $27.94

$2794
current price $27.94Hyper Tough Digital Multimeter TD35235J, 3 1/2 Digit Screen, New, 4.25 inch Assembled Product Width
1054.2 out of 5 Stars. 105 reviews
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Live Wire Tester Electric Pen Pencil Volt Stick Dc Power Supply Voltage Detector $9.64 Was $16.85

Now$964
current price Now $9.64, Was $16.85$16.85
Live Wire Tester Electric Pen Pencil Volt Stick Dc Power Supply Voltage Detector
Klein Tools 69149P Digital Multimeter, Noncontact Voltage Tester and Electrical Outlet Test Kit

Klein Tools 69149P Digital Multimeter, Noncontact Voltage Tester and Electrical Outlet Test Kit
644.7 out of 5 Stars. 64 reviews
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ATE Pro 33067 1000 V Black Clamp-On Digital Multi-Meter Voltage Tester $29.99

Sponsored
$2999
current price $29.99ATE Pro 33067 1000 V Black Clamp-On Digital Multi-Meter Voltage Tester
Galvanox Battery Voltage Tester Designed for Leatherman Multitools (Flat-Bit Slot Accessory) DC Voltage Meter, 2.5VDC to 30VDC $18.99

Sponsored
$1899
current price $18.99Galvanox Battery Voltage Tester Designed for Leatherman Multitools (Flat-Bit Slot Accessory) DC Voltage Meter, 2.5VDC to 30VDC
Summercome 2-in-1 High Torque Strong Magnetic Flathead Phillips Screwdriver, Electricity Detector Electric Non-Contact Voltage Tester Pen Electrical Current Power Circuit Live Wire Electrician Tester Was $10.43
Summercome 2-in-1 High Torque Strong Magnetic Flathead Phillips Screwdriver, Electricity Detector Electric Non-Contact Voltage Tester Pen Electrical Current Power Circuit Live Wire Electrician Tester
11 out of 5 Stars. 1 reviews
Best seller AstroAI Digital Multimeter Voltage Tester 2000 Counts with Ohm Volt Amp and Diode Voltage Meter, Electrical Tester Volt Ohm Amp Meter, 1Pack $14.59

$1459
current price $14.59AstroAI Digital Multimeter Voltage Tester 2000 Counts with Ohm Volt Amp and Diode Voltage Meter, Electrical Tester Volt Ohm Amp Meter, 1Pack
3534.5 out of 5 Stars. 353 reviews
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Hyper Tough 3-PC Electrical Tester Kit TD35236J with LCD Screen, 17.9 oz WT, 7.28" Width, New, 1 Ea $41.88

$4188
current price $41.88Hyper Tough 3-PC Electrical Tester Kit TD35236J with LCD Screen, 17.9 oz WT, 7.28" Width, New, 1 Ea
894.6 out of 5 Stars. 89 reviews
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Skywalker Signature Series AC Power Tester $9.99

$999
current price $9.99Skywalker Signature Series AC Power Tester
USB Power Meter Tester, -compatible USB Tester DC5.5 USB3.0 Type-C Current Voltage Monitor,LCD Display Multimeter ,Easy to Operate
USB Power Meter Tester, -compatible USB Tester DC5.5 USB3.0 Type-C Current Voltage Monitor,LCD Display Multimeter ,Easy to Operate
USB C Tester Power Meter 4-30V 0-12A Digital Voltage Current Monitor for PD QC Fast Charging, For USB-C A Devices, KWS-2301C $17.77

$1777
current price $17.77USB C Tester Power Meter 4-30V 0-12A Digital Voltage Current Monitor for PD QC Fast Charging, For USB-C A Devices, KWS-2301C
Hyper Tough Digital Clamp Meter Current Tester, TD35074B, 1-Piece, 6 in x 1.25 in x 2.5 in, CR2032 Batteries Included, New $29.48

$2948
current price $29.48Hyper Tough Digital Clamp Meter Current Tester, TD35074B, 1-Piece, 6 in x 1.25 in x 2.5 in, CR2032 Batteries Included, New
843.7 out of 5 Stars. 84 reviews
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M Buder Mini USB Voltage Current Monitor Tester Capacity Detector LCD Display 4V-30V 0-3A, Portable Power Testing Tool, 3.94 inches / 10.0 cm Length, Precise Data Storage[cite: 1] $10.94
![M Buder Mini USB Voltage Current Monitor Tester Capacity Detector LCD Display 4V-30V 0-3A, Portable Power Testing Tool, 3.94 inches / 10.0 cm Length, Precise Data Storage[cite: 1]](https://i5.walmartimages.com/seo/M-Buder-Mini-USB-Voltage-Current-Monitor-Tester-Capacity-Detector-LCD-Display-4V-30V-0-3A-Portable-Power-Testing-Tool-3-94-inches-10-0-cm-Length-Prec_5077b449-15ce-40a3-86ca-6816fb4ba184.c36f3405796f8e1bdeb0792ad0e81f9c.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$1094
current price $10.94M Buder Mini USB Voltage Current Monitor Tester Capacity Detector LCD Display 4V-30V 0-3A, Portable Power Testing Tool, 3.94 inches / 10.0 cm Length, Precise Data Storage[cite: 1]
VEVOR Outlet Tester, Electrical GFCI Trip Tester, LCD Display Receptacle Detector for 7 Common Wiring Faults, 3 Prong Socket Detector with Auto Shutoff & Low Battery Indicator, CAT II 300V Rating $15.90

Sponsored
$1590
current price $15.90VEVOR Outlet Tester, Electrical GFCI Trip Tester, LCD Display Receptacle Detector for 7 Common Wiring Faults, 3 Prong Socket Detector with Auto Shutoff & Low Battery Indicator, CAT II 300V Rating
VEVOR Voltage Tester, Non-Contact Voltage Detector with Adjustable Sensitivity, Dual Range AC 12V-1000V/48V-1000V Live & Null Wire Tester Pen with Visual and Audible Alarms, CAT III 1000V Rating $17.99

Sponsored
$1799
current price $17.99VEVOR Voltage Tester, Non-Contact Voltage Detector with Adjustable Sensitivity, Dual Range AC 12V-1000V/48V-1000V Live & Null Wire Tester Pen with Visual and Audible Alarms, CAT III 1000V Rating
DC 100V 10A Digital Voltmeter Ammeter LED Display Amp Voltage Current Meter Tester Power Meter $7.98

$798
current price $7.98DC 100V 10A Digital Voltmeter Ammeter LED Display Amp Voltage Current Meter Tester Power Meter
M Buder USB Voltmeter Ammeter Color LCD Display Voltage Current Tester Digital Power Detector PD Fast Charging 10 inches / 25.4 cm[cite: 1] $30.02
![M Buder USB Voltmeter Ammeter Color LCD Display Voltage Current Tester Digital Power Detector PD Fast Charging 10 inches / 25.4 cm[cite: 1]](https://i5.walmartimages.com/seo/M-Buder-USB-Voltmeter-Ammeter-Color-LCD-Display-Voltage-Current-Tester-Digital-Power-Detector-PD-Fast-Charging-10-inches-25-4-cm-cite-1_a0897168-c45e-4f21-b9d6-6f8d7bc3fbd8.d88c03472d0cd228a28fb3f9ac993771.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$3002
current price $30.02M Buder USB Voltmeter Ammeter Color LCD Display Voltage Current Tester Digital Power Detector PD Fast Charging 10 inches / 25.4 cm[cite: 1]
CEORPER USB Tester Power Meter 4-24V 4A Voltage Tester USB Tester Power Multimeter $30.92

$3092
current price $30.92CEORPER USB Tester Power Meter 4-24V 4A Voltage Tester USB Tester Power Multimeter
Suodoka USB Digital Power Meter Tester Current Voltage Monitor DC 5.1A 30V Amp Meter Test Speed of Chargers Cables Capacity of Power Banks Black for Home Repair and Professional Electricians $13.03

$1303
current price $13.03Suodoka USB Digital Power Meter Tester Current Voltage Monitor DC 5.1A 30V Amp Meter Test Speed of Chargers Cables Capacity of Power Banks Black for Home Repair and Professional Electricians
Lynono Voltage Ammeter Digital Tester 0.96inch TFT Color Display Power Meter $14.82

$1482
current price $14.82Lynono Voltage Ammeter Digital Tester 0.96inch TFT Color Display Power Meter
TAPDRA Type C Power Tester Voltmeter Ammeter For PD3.1 QC3.0 Capacity Energy Timing Temperature Testing $21.88

$2188
current price $21.88TAPDRA Type C Power Tester Voltmeter Ammeter For PD3.1 QC3.0 Capacity Energy Timing Temperature Testing
Clearance 1Pc Lithium Battery Capacity Indicator Voltage Tester Power Meter LCD Digital Voltmeter for 12V/24V/36V/48V Acid Lead $5.79 Was $6.69

Now$579
current price Now $5.79, Was $6.69$6.69
1Pc Lithium Battery Capacity Indicator Voltage Tester Power Meter LCD Digital Voltmeter for 12V/24V/36V/48V Acid Lead
Power Probe PP3 Clam Shell, 12-24V, Red Circuit Tester, Portable Diagnostic Tool $174.21 $174.21/lb

$17421
current price $174.21$174.21/lb
Power Probe PP3 Clam Shell, 12-24V, Red Circuit Tester, Portable Diagnostic Tool
225 out of 5 Stars. 22 reviews
Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder From $11.99

Sponsored
From$1199
Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester with LCD Display Buzzer Alarm Wire Breakpoint Finder
55 out of 5 Stars. 5 reviews
6-48V Digital Circuit Tester Automotive Power Probe LCD Voltage Tester Electrical Diagnostic Tool with LED Work Lights, Continuity Polarity Diode Test for Cars Trucks Boats $22.88

Sponsored
$2288
current price $22.886-48V Digital Circuit Tester Automotive Power Probe LCD Voltage Tester Electrical Diagnostic Tool with LED Work Lights, Continuity Polarity Diode Test for Cars Trucks Boats
Digital Dual LED 5V USB Current Voltage Tester Battery Voltmeter Ammeter Power Tester Voltage Charger Capacity Doctor B2Z0 $5.26

$526
current price $5.26Digital Dual LED 5V USB Current Voltage Tester Battery Voltmeter Ammeter Power Tester Voltage Charger Capacity Doctor B2Z0
UD18 DC5.5 DC5525 Digital Voltmeter Amperimetro Voltage Current Meter Ammeter Detector Notebook Power Bank Charger Usb Tester ,Easy to Operate From $35.89
From$3589
UD18 DC5.5 DC5525 Digital Voltmeter Amperimetro Voltage Current Meter Ammeter Detector Notebook Power Bank Charger Usb Tester ,Easy to Operate
Digital Voltage Current Meter Power Capacity Tester Type-C Usb Charger Detector Usb+Type-C Was $17.59

Digital Voltage Current Meter Power Capacity Tester Type-C Usb Charger Detector Usb+Type-C
CEORPER Voltage Current Tester For DIY Projects Digital Power Meter Professional See price in cart

See price in cart
current price See price in cartCEORPER Voltage Current Tester For DIY Projects Digital Power Meter Professional
WiFi Coulomb Meter RV Battery Monitor Battery Capacity Indicator Tester Power Volt-Ammeter for All Batteries 0-100A $60.03

$6003
current price $60.03WiFi Coulomb Meter RV Battery Monitor Battery Capacity Indicator Tester Power Volt-Ammeter for All Batteries 0-100A
Riousery IGBT Withstanding Voltage Capability Tester Transistor Withstanding Voltage Tester 500-3500V 4.72 inches / 12 cm $27.65

$2765
current price $27.65Riousery IGBT Withstanding Voltage Capability Tester Transistor Withstanding Voltage Tester 500-3500V 4.72 inches / 12 cm
Digital Dual LED 5V USB Current Voltage Tester Battery Voltmeter Ammeter Power Tester Voltage Charger Capacity Doctor O1E4 $5.60 Was $7.83

Now$560
current price Now $5.60, Was $7.83$7.83
Digital Dual LED 5V USB Current Voltage Tester Battery Voltmeter Ammeter Power Tester Voltage Charger Capacity Doctor O1E4
Yajisi Smart Energy Meter WIFI Wireless Control LED Color Display Rail Power Meter Multifunctional Power Consumption Tester AC 170-270V 63A with Temperature Sensor & Overvoltage Protection $34.57

$3457
current price $34.57Yajisi Smart Energy Meter WIFI Wireless Control LED Color Display Rail Power Meter Multifunctional Power Consumption Tester AC 170-270V 63A with Temperature Sensor & Overvoltage Protection
Portable USB Meter LCD Digital Display Current Electricity Meter Multifunction Tester Ammeter Voltmeter Power Tester From $7.95
From$795
Portable USB Meter LCD Digital Display Current Electricity Meter Multifunction Tester Ammeter Voltmeter Power Tester
PURCOLT DC Digital Display Voltage And Current Meter Colour Screen Power Tester 0-200V 0-100A on Clearance From $7.37
From$737
PURCOLT DC Digital Display Voltage And Current Meter Colour Screen Power Tester 0-200V 0-100A on Clearance
MOMOJIA Digital USB Power Tester Monitors Battery Capacity Electric Current Meter Tool $7.19

$719
current price $7.19MOMOJIA Digital USB Power Tester Monitors Battery Capacity Electric Current Meter Tool
WiFi Coulomb Meter RV Battery Monitor Battery Capacity Indicator Tester Power Volt-Ammeter for All Batteries 0-50A $48.74

$4874
current price $48.74WiFi Coulomb Meter RV Battery Monitor Battery Capacity Indicator Tester Power Volt-Ammeter for All Batteries 0-50A
24.5 out of 5 Stars. 2 reviews
Cevemin Multi-function Smart Power Measuring Pen - Electrical Voltage Tester with Wire Conduction Check and Socket Testing for Electricians, DIYers, and Homeowners

Cevemin Multi-function Smart Power Measuring Pen - Electrical Voltage Tester with Wire Conduction Check and Socket Testing for Electricians, DIYers, and Homeowners
50A TF03KH Digital Voltmeter Meter Battery Capacity Indicator Voltage Current Tester Power Meters Car Battery Detector,1 set * TF03KH 50A (0-75A) coulombmeter,As Shown $45.09

$4509
current price $45.0950A TF03KH Digital Voltmeter Meter Battery Capacity Indicator Voltage Current Tester Power Meters Car Battery Detector,1 set * TF03KH 50A (0-75A) coulombmeter,As Shown
6-48V Digital Circuit Tester Automotive Power Probe LCD Car Diagnostic Tool Voltage Polarity Continuity Short Circuit Finder with LED Work Light Fuse Protection for Cars Trucks Motorcycles Boats $17.99 Was $23.99

Now$1799
current price Now $17.99, Was $23.99$23.99
6-48V Digital Circuit Tester Automotive Power Probe LCD Car Diagnostic Tool Voltage Polarity Continuity Short Circuit Finder with LED Work Light Fuse Protection for Cars Trucks Motorcycles Boats
Dual USB Voltage And Current Tester Portable Charger Detector For Phones And Power Banks $7.49

$749
current price $7.49Dual USB Voltage And Current Tester Portable Charger Detector For Phones And Power Banks
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