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Under $20 Vehicle Battery Testers

Shop the best prices on 4,060 great value under $20 vehicle battery testers. Shopping for vehicle battery testers is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Shanghai Yangxin, Dirtypigs 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
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
ANENG Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Tester LED Light
$15.95
12V 24V 48V 60V 84V Waterproof IP67 Battery Capacity Voltage Meter with Backlight LCD and Low-Voltage Alarm for Lithium
$15.95
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
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
Digital Battery Tester Large LCD Screen Universal Battery Capacity Detector for N D C AA AAA Button Cell
$17.95 Save $6.00 RRP: $23.95
Brake Fluid Liquid Tester Pen Oil Moisture Detector Vehicle Automotive Diagnostic Test Tool
$21.95 Save $7.00 RRP: $28.95
Voltage Testing Meter LED Digital Display Universal for Car Motorcycle Electric Vehicle 12V‑80VBlue
$21.95 Save $18.00 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
Circuit Tester 12v Dc Auto Repair Test Pen Light Circuit Multi-function Led Test Pen Circuit Detect
$18.95
GY-6GS PCB HTN Waterproof Battery Capacity Monitor Indicator LCD Display 12-84V White
$17.95 Save $5.00 RRP: $22.95
Battery Tester to Check Remaining Battery Power
$8.95 Save $8.00 RRP: $16.95
12V ACID Lead Battery Capacity Indicator Charge Level LED Tester Blue Voltmeter
$7.95 Save $9.00 RRP: $16.95
12V ACID Lead Battery Capacity Indicator Charge Level LED Tester Blue Voltmeter
$7.95 Save $10.00 RRP: $17.95
7-Core Trailer Tester 12V RV Wiring Signal Tester Plug Socket Connector Recorder
$15.95 Save $15.00 RRP: $30.95
12V 24V 36V 48V 60V 72V LED Battery Monitor Gauge Battery Fuel Gauge Indicator Lithium Ion Battery Tester
$20.95 Save $18.00 RRP: $38.95
Car Voltage Detector Pen DC 100V Electrical Line Tester NCV Circuit Fault Maintenance Test Tool
$19.95
Car Battery Tester 12V Battery Load Tester Battery Analyzer Tool LCD Screen
$18.95 Save $8.00 RRP: $26.95
Mini 12V Car Battery Tester Digital Alternator Tester 6 LED Lights Display
$16.95 Save $7.00 RRP: $23.95
Car Battery Disconnect Isolators Cut Off Switch Universal Battery Terminals
$19.95 Save $8.00 RRP: $27.95
ANENG BT-172 12V Battery TesterAuto Repair Industry Detection with LED Reverse Display for Car Battery Checker Diagnostic Tool
$11.95 Save $6.00 RRP: $17.95
30Amp Automatic Reset Circuit Breaker 12V-24V DC for Automotive Marine Boat Car RV Trailer with Cover Stud Bolt 6pcs
$22.95 Save $2.00 RRP: $24.95
Desktop CPU 775 Socket Tester CPU Socket Analyzer Dummy Load Fake Load with LED with Light Tester
$18.95 Save $5.00 RRP: $23.95
DC12-24V Battery Capacity Indicator Voltmeter Battery Monitor Meter with Dual USB Changer Socket for Car Motorcycle RV
$19.95 Save $2.00 RRP: $21.95
168Max Digital Lithium Battery Tester Capacity Test Checkered Load Analyzer Display Check AAA AA Button Cell
$10.95 Save $3.00 RRP: $13.95
Digital 0.56inch LED Display 5 Bits DC 0-33.000V Voltmeter Voltage Meter Tester
$14.95 Save $4.00 RRP: $18.95
DC 8-100V Digital Voltage Power Indicator for Lead-Acid Lithium Battery 12V/24V/36V/48V Two-Wire Anti Reverse Switch C
$10.95 Save $3.00 RRP: $13.95