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Under $20 Vehicle Battery Testers

Shop the best prices on 4,992 great value under $20 vehicle battery testers. Shopping for vehicle battery testers is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Ibuyke and more. Buy vehicle battery testers online safely with Fruugo, with secure payment and fast shipping to Australia.

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1 - 32 of 3,200
Electronic Automotive Relay Tester Kit For Car Auto Battery Checker 12V NEW
$14.95 Save $5.00 RRP: $19.95
ANENG Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Tester LED Light
$20.95
ANENG Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Tester LED Light
$15.95
Autel PowerScan PS100 Electrical Automotive Circuit Tester Tool 6-24V AVOmeter
$17.95
12V 24V 48V 60V 84V Waterproof IP67 Battery Capacity Voltage Meter with Backlight LCD and Low-Voltage Alarm for Lithium
$15.95
2025 Automotive Test Light with 5-120V LED Digital Voltage Display, Circuit Tester with Voltmeter & Dual Color Polarity Indicator
$19.95 Save $19.00 RRP: $38.95
Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay T
$20.95 Save $6.00 RRP: $26.95
Battery Capacity Display Voltmeter LED Digital Voltage Meter with Touch-ON OFF Switch Car Motorcycle
$8.95 Save $14.00 RRP: $22.95
Electronic Automotive Relay Tester Kit For Car Auto Battery Checker 12V NEW
$13.95 Save $6.00 RRP: $19.95
12V 24V 48V 60V 84V Waterproof IP67 Battery Capacity Voltage Meter with Backlight LCD and Low-Volta
$16.95 Save $6.00 RRP: $22.95
Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Te
$17.95 Save $7.00 RRP: $24.95
GY-6S 12V Lead-acid Battery Power Meter Lithium Battery Capacity Indicator Display Tester Percentage Voltmeter 12V Green Light
$14.95 Save $59.05 RRP: $74.00
2X 6V Black Mount Electric Horn for Car Motorcycle Truck Vehicle
$16.95 Save $77.05 RRP: $94.00
Spark Tester, Car Tester
$17.95 Save $81.05 RRP: $99.00
8 in 1 Tester Voltage AC DC 6-380V Auto Electrical Pen Detector with LED Light for Electrician Test
$17.95 Save $171.05 RRP: $189.00
36-Tooth Steel Gear Battery Car Driving Service Lithium Battery Car
$16.95 Save $3.00 RRP: $19.95
24V/36V/48V/60V/72V Electro Car E-Bike Scooter Brushless Motor Controller Tester for Teste Motor Coi
$17.95 Save $81.05 RRP: $99.00
LED Digital Voltmeter Voltage Meter Tester Acid Lead Lifepo4 Lithium Battery 12V/24V/36V/48V Capacit
$10.95
Relay Tester 12/24 Volt, 12V Portable Small Radiation Tester Kit | A/C Relay Tester, Handheld Automatic Relay Test Tool with Battery for Most Cars, SU
$14.95 Save $24.00 RRP: $38.95
3.7V Lithium Battery Capacity Indicator 2S Battery Level Indicator Display Tester
$6.95 Save $41.00 RRP: $47.95
0.96 Inch IPS LCD Display 13 in 1 Multi-Function USB Tester Voltage Current Power Meter Voltmeter A
$11.95 Save $42.05 RRP: $54.00
Automotive Tester Puller Tester Multi Functional Automotive Blade Checker Tester Puller Removal Tool
$16.95 Save $9.00 RRP: $25.95
5PCS 2 In1 1-8S Lipo Battery Voltage Tester, RC Low Voltage Buzzer Alarm, Battery Monitor Checker Te
$16.95 Save $77.05 RRP: $94.00
5pcs 2 In1 1-8s Lipo Battery Voltage Tester, Rc Low Voltage Buzzer Alarm, Battery Monitor Checker T-AH
$20.95 Save $2.00 RRP: $22.95
Battery Capacity Monitor,10-100v Battery Meter, 12v 24v 48v Percentage Voltage Fahrenheit Temperature Indicator Meter
$5.95
ANENG BT-172 12V Battery TesterAuto Repair Industry Detection with LED Reverse Display for Car Battery Checker Diagnostic Tool
$12.95
Car Universal Portable ECU Test Coil Tool Fast Checking Chip Red Immobiliser System Inspection Automatic Repair Coil Tester
$10.95
12V/24V Digital Car Circuit Test Pen - Multi-Function Electrician Maintenance Tool
$14.95 Save $12.00 RRP: $26.95
Car Battery Tester 12V Alternator Test Automobile Auto Check Voltage Detection Tool
$12.95 Save $8.00 RRP: $20.95
Digital Voltage Monitor Gauge for Car Battery Testing with Cigarette Lighter Connection
$11.95 Save $8.00 RRP: $19.95
DC 12V Universal Car Motorcycle Boat LED Digital Voltmeter Panel Volt Meter Monitor Gauge Display C
$14.95
LED Power Display Board Dc5-30V 12V 24V Power Indicator Lithium Lead Acid Battery General Power Dis
$10.95