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Under $20 Vehicle Battery Testers

Shop the best prices on 6,587 great value under $20 vehicle battery testers. Shopping for vehicle battery testers is easy with Fruugo, with SALE discounts, offers and savings on Shanghai Yangxin, Dirtypigs, GreenZech 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 $4.00 RRP: $18.95
12V 24V Vehicle Battery Current Tester with Bright LCD Display LED Light for Automotive Electrical Diagnostics
$20.95 Save $21.00 RRP: $41.95
ANENG Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Tester LED Light
$20.95
Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Te
$17.95 Save $7.00 RRP: $24.95
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
Electronic Automotive Relay Tester Kit For Car Auto Battery Checker 12V NEW
$13.95 Save $5.00 RRP: $18.95
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
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
Autel PowerScan PS100 Electrical Automotive Circuit Tester Tool 6-24V AVOmeter
$16.95
RS-550 Motor - Suitable for Micro Power Tools with DC Voltage Range of 12-24V and Speed of 21000 Rpm
$19.95 Save $30.00 RRP: $49.95
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
$18.95 Save $19.00 RRP: $37.95
ANENG Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Tester LED Light
$15.95
Rc 8 Digital Battery Capacity Checker Servo Tester Lcd Backlight Li-ion Nimh Nicd (a-1b)
$20.95 Save $21.00 RRP: $41.95
Purple 5Pcs Car Ground Wire Kit Copper Clad Aluminum 0 48V for Better Electrical Conductivity Car Boat Truck
$19.95 Save $23.00 RRP: $42.95
12V Digital Car Battery Tester Voltmeter for Motorcycle E Scooter Boat SUV Charging System Analyzer
$19.95 Save $24.00 RRP: $43.95
Automotive Circuit Tester with LCD Display Voltage Bulb Load Measurement 12V 24V Power Polarity Detector for Car Electrical System
$19.95 Save $23.00 RRP: $42.95
3 in 1 LCD RC Battery Discharger Balancer Meter Tester for 2-6S Lipo Li-Fe Battery Voltage Meter
$17.95 Save $2.00 RRP: $19.95
DC 12V LED Digital Voltmeter for Car Motorcycle Boat
$18.95 Save $24.00 RRP: $42.95
Ebike G20 Display 36V 48V 5 Pin+2 Pins SM Connector Display LED Instrument for Electric Bicycle Intelligent Control
$20.95 Save $43.05 RRP: $64.00
Battery Meter Waterproof Lithium Battery Power Display Panel Capacity Voltage Indicator Monitor for RV Vehicle 3 Series
$17.95 Save $20.00 RRP: $37.95
CellMeter 8 Battery Tester LCD Display Clear Visual Discharge Function Digital 8S Battery Capacity Checker Instrument Testing_da
$4.95 Save $22.00 RRP: $26.95
Car Battery Tester 12V Battery Analyzer Reverse Protection Function Good Electrical Conductivity High Sensitivity
$20.95 Save $20.00 RRP: $40.95
Side Post Knife Blade Switch 12V / 24V Battery Disconnect Switch Isolator for Marine Car Boat RV ATV
$17.95 Save $30.00 RRP: $47.95
24V/36V/48V/60V/72V Electro Car E-Bike Scooter Brushless Motor Controller Tester for Teste Motor Coi
$17.95 Save $29.00 RRP: $46.95
36-Tooth Steel Gear Electric Car Folding Car Battery Car Driving Service Lithium Battery Car
$15.95 Save $26.00 RRP: $41.95
Digital Battery Tester Large LCD Screen Universal Battery Capacity Detector for N D C AA AAA Button Cell
$17.95 Save $5.00 RRP: $22.95
Brake Fluid Liquid Tester Pen Oil Moisture Detector Vehicle Automotive Diagnostic Test Tool
$21.95 Save $6.00 RRP: $27.95
Electric Tester Heavy Duty Auto Circuit Tester Voltage Sensitivity Tester Accessory
$18.95 Save $55.05 RRP: $74.00
Voltage Testing Meter LED Digital Display Universal for Car Motorcycle Electric Vehicle 12V‑80VBlue
$20.95 Save $19.00 RRP: $39.95
YB27VE Electric Car Digital LED Voltage and Electricity Dual Meters Tester Battery Power Display Voltage Meter(Lead Acid Battery 96V)
$19.95 Save $29.00 RRP: $48.95