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Under $20 Vehicle Battery Testers

Shop the best prices on 4,884 great value under $20 vehicle battery testers. Shopping for vehicle battery testers is easy with Fruugo, with SALE discounts, offers and savings on Other, Asiv, Dirtypigs and more. Buy vehicle battery testers online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 3,200
Electronic Automotive Relay Tester Kit For Car Auto Battery Checker 12V NEW
$17.95 Save $6.00 RRP: $23.95
Electronic Automotive Relay Tester Kit For Car Auto Battery Checker 12V NEW
$16.95 Save $7.00 RRP: $23.95
Battery Capacity Display Voltmeter LED Digital Voltage Meter with Touch-ON OFF Switch Car Motorcycle
$11.95 Save $17.00 RRP: $28.95
Waterproof Lcd Display Digital Hour Meter Inductive Timer For Bike Motorcycle Atv Snowmobile Engine, Black
$10.95 Save $30.00 RRP: $40.95
Brushless Motor Tester Electro Car E-Bike Scooter Brushless Motor Controller Tester 24V/36V/48V/60V/
$16.95 Save $52.05 RRP: $69.00
12V 24V 48V 60V 84V Waterproof IP67 Battery Capacity Voltage Meter with Backlight LCD and Low-Volta
$20.95 Save $7.00 RRP: $27.95
Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Te
$22.95 Save $10.00 RRP: $32.95
ANENG Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Tester LED Light
$20.95
Autel PowerScan PS100 Electrical Automotive Circuit Tester Tool 6-24V AVOmeter
$21.95
12V 24V 48V 60V 84V Waterproof IP67 Battery Capacity Voltage Meter with Backlight LCD and Low-Voltage Alarm for Lithium
$19.95
Battery Capacity Indicator Dc 8v-100v Lead Acid Lithium Lifepo4 Car Motorcycle Voltmeter Voltage Gauge 12v 24v 48v 72v
$16.95 Save $57.05 RRP: $74.00
1PC Mini 12V Car Battery Tester Digital Alternator Tester 6 LED Lights Display Car Diagnostic Tool For Car
$16.95 Save $67.05 RRP: $84.00
1S Single 3.7V Lithium Battery Capacity Indicator Module 4.2V Blue Display Electric Vehicle Battery Power Tester Li-ion
$19.95
CNJB-85015 Circuit Tester and Electrical Voltage Detector Pen Set With Crocodile Clip 6-12V, Wire Length: 50cm
$20.95
12V Car Battery Tester Alternator Tester Automotive,Battery Checker Analyzer to Check Alternator Battery Charging System unbrand
$13.95
Battery Rubber Strap for Motorcycle - Elastic Band Holder Secure Fit
$14.95 Save $79.05 RRP: $94.00
Automotive LED Circuit Tester 6-24V, Dual Probe Test Light with 47" Wire & Alligator Clips
$20.95 Save $10.00 RRP: $30.95
Car Batteries Car Battery Charger Tester Digital Battery Analyzer Auto Battery Tester Battery Capacity Tester
$17.95 Save $46.05 RRP: $64.00
Battery Capacity Tester Digital Battery Voltage Tester Voltage Testing Tool
$20.95 Save $63.05 RRP: $84.00
Universal Digital Display Voltmeter Waterproof Voltage Meter Blue LED for DC 12V-24V Car Motorcycle Auto Truck
$19.95 Save $59.05 RRP: $79.00
Battery Capacity Voltage Monitor Portable Digital Battery Level Indicator for RV Electric Vehicle 24V
$16.95 Save $37.05 RRP: $54.00
Car Voltage Copper Circuit Tester For long 6V-24V System Probe Continuity Tester
$17.95 Save $21.00 RRP: $38.95
Rc3563 4-Wire AC Lithium Lead Acid Car Battery Tester with Internal Resistance Detector (Standard Probe)
$17.95 Save $18.00 RRP: $35.95
84mm 14 Oil Filter Cap Wrench Socket Cup Tool for Vehicle Car Engine Maintenance
$19.95 Save $27.00 RRP: $46.95
2025 (New) Battery Tester Car Battery Checker Electricity Capacity Tester 12/24V
$21.95 Save $21.00 RRP: $42.95
2025 Battery Tester Digital Lithium Battery Capacity Tester Universal Test Checkered
$9.95 Save $9.00 RRP: $18.95
2025 Portable DC 12V-24V LED Panel Digital Voltage Meter Voltmeter Car Universal
$9.95 Save $9.00 RRP: $18.95
2025 ANENG Battery Testers Digital LCD Display BT189 Universal Button Battery Tester
$18.95 Save $19.00 RRP: $37.95
2025 Digital Voltmeter with Flashing Alarm Car Volt Detector 9-35V Volt Tester Voltage Monitor for Auto Motorcycle
$17.95 Save $18.00 RRP: $35.95
2025 Digital LCD Display Tachometer RPM Measure Tool Car Motorcycle Speed Timer
$13.95 Save $14.00 RRP: $27.95
Led Display Cigarette Lighter Electric Voltage Meter For Auto Car Battery
$20.95 Save $8.00 RRP: $28.95
Digital Battery Monitor with Backlight LED Indication Battery Voltage Meter for Car Motorcycle Ship DC 8100V White Backlight
$18.95 Save $11.00 RRP: $29.95