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Under $20 Vehicle Battery Testers

Shop the best prices on 7,957 great value under $20 vehicle battery testers. Shopping for vehicle battery testers is easy with Fruugo, with SALE discounts, offers and savings on ZENGO, Woosien, Aura 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
12V 24V Vehicle Battery Current Tester with Bright LCD Display LED Light for Automotive Electrical Diagnostics
$20.95 Save $21.00 RRP: $41.95
DC18V-60V to 12V Converter 20A 240W Golf Cart 24V 36V 48V Step Down to 12V
$18.95 Save $11.00 RRP: $29.95
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
Waterproof Lcd Display Digital Hour Meter Inductive Timer For Bike Motorcycle Atv Snowmobile Engine, Black
$8.95 Save $23.00 RRP: $31.95
Car Key ECU Test Coil, Car Induction Signal Detection Card, Automotive Key Lock Chip Antenna Tester, Automatic Ignition Coil Tester for Checking The L
$17.95 Save $11.00 RRP: $28.95
Electronic Automotive Relay Tester Kit For Car Auto Battery Checker 12V NEW
$13.95 Save $6.00 RRP: $19.95
5X Loud Hailer Lipo Battery Voltage Alarm Display Checker 2-3S LED Display for RC Helicopter Quadco
$21.95
RS-550 Motor - Suitable for Micro Power Tools with DC Voltage Range of 12-24V and Speed of 21000 Rpm
$20.95 Save $30.00 RRP: $50.95
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
Automatic Constant Temperature Diesel Filter Heater 120W 12V/24V for Cars and Trucks
$19.95 Save $44.05 RRP: $64.00
Battery Capacity Indicator Dc 8v-100v Lead Acid Lithium Lifepo4 Car Motorcycle Voltmeter Voltage Gauge 12v 24v 48v 72v
$13.95 Save $45.05 RRP: $59.00
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
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
Brushless Motor Tester Electro Car E-Bike Scooter Brushless Motor Controller Tester 24V/36V/48V/60V/
$13.95 Save $45.05 RRP: $59.00
Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Te
$17.95 Save $7.00 RRP: $24.95
1PC Mini 12V Car Battery Tester Digital Alternator Tester 6 LED Lights Display Car Diagnostic Tool For Car
$13.95 Save $55.05 RRP: $69.00
Dc 60v 100a Watt Meter Power Analyser Solar Wind Analyzer Lcd Digital Current Energy Meter Dc Power
$12.95
Desktop Lga1700 Cpu Socket Tester Diagnostic Analyzer Dummy Load Fake Load With Led Indicator For Motherboard Repair
$21.95
12V 24V Smart LED Battery Tester Quick Cranking tester Alternator LED Light Display Auto Diagnostic Tools Alternator Check Batte
$19.95 Save $59.05 RRP: $79.00
Digital DC Voltage Meter for 12V-72V Lithium Battery Electromobile Display (Blue)
$11.95 Save $12.00 RRP: $23.95
1S Single 3.7V Lithium Battery Capacity Indicator Module 4.2V Blue Display Electric Vehicle Battery Power Tester Li-ion
$15.95
CNJB-85015 Circuit Tester and Electrical Voltage Detector Pen Set With Crocodile Clip 6-12V, Wire Length: 50cm
$16.95
12V Car Battery Tester Alternator Tester Automotive,Battery Checker Analyzer to Check Alternator Battery Charging System unbrand
$10.95
Battery Rubber Strap for Motorcycle - Elastic Band Holder Secure Fit
$12.95 Save $66.05 RRP: $79.00
Automotive LED Circuit Tester 6-24V, Dual Probe Test Light with 47" Wire & Alligator Clips
$16.95 Save $9.00 RRP: $25.95
Battery Capacity Voltage Monitor Portable Digital Battery Level Indicator for RV Electric Vehicle 24V
$12.95 Save $30.00 RRP: $42.95
6V 12V 24V DC Car Truck Voltage Circuit Tester Motorcycle Volt Tester Probe Pen Auto Automotive
$20.95 Save $25.00 RRP: $45.95