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Under $20 Vehicle Battery Testers

Shop the best prices on 5,006 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
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
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
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-Voltage Alarm for Lithium
$15.95
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
Voltage Tester 2.5V-30V Mini Digital for DC Voltmeter with 0.28 inch LED Display with Reverse Connection for Protection Red
$15.95
USB Battery Capacity Tester Adjustable Constant Current Electronic Load 15W Resistance Charging Tes
$14.95
USB Tester Current Voltage Charger Capacity Tester Volt Meter Display USB Current Voltage Test Card
$10.95
Car Digital LED Display Battery Tester 12V Battery Tester Charging System Analyzer with Clips for Car Motorcycle
$20.95
Power Outage Modification Switch Low Current Battery Leakage Protection Universa
$15.95 Save $7.00 RRP: $22.95
0.96 Inch Ips Lcd Display 13 In 1 Multi-function Usb Tester Voltage Current Power Meter Voltmeter Ammeter Dc 4-30v 5a
$6.95
5v 18650 Lcd Display Lithium Battery Capacity Tester Detector Module With Charging Discharge Function Type-c Port 1pcs
$12.95
6v 12v 24v Dc Car Truck Voltage Circuit Tester Multifunctional Digital Display Electric Pen Probe
$11.95
Battery Capacity Indicator DC 8V-100V Lead Acid Lithium LiFePO4 Car Motorcycle Voltmeter Voltage Ga
$11.95
Automotive Circuit Tester 2Pcs Multifunctional Design Car Motorcycle Home Application Testing Machine
$12.95 Save $9.00 RRP: $21.95
Relay Tester 12v Universal Electronic Automotive Car Circuit Detector Battery Checker Auto Repair To
$18.95 Save $18.00 RRP: $36.95
12V 24V 36V 48V 60V 72V LED Battery Monitor Gauge Battery Fuel Gauge Indicator Lithium Ion Battery T
$20.95 Save $19.00 RRP: $39.95
DC 12V Universal Car Motorcycle Boat LED Digital Voltmeter Panel Volt Meter Monitor Gauge Display Ca
$8.95 Save $10.00 RRP: $18.95
Real Capacity Tester 18650 Lithium Battery Ah Load Tester Module Digital High Precision Multi-Funct
$14.95 Save $44.05 RRP: $59.00
Green Backlit LCD Display Battery Capacity Voltage Meter Tester Voltmeter Monitor
$16.95 Save $10.00 RRP: $26.95
Desktop CPU 775 Socket Tester CPU Socket Analyzer Dummy Load Fake Load with LED with Light Tester
$12.95
DC 12V Universal Car Motorcycle Boat LED Digital Voltmeter Panel Volt Meter Monitor Gauge Display C
$12.95
GY-6GS PCB HTN Waterproof Battery Capacity Indicator LCD Display 12-84V White
$17.95 Save $5.00 RRP: $22.95
Car Radiator Coolant Tester Dial Type Antifreeze Coolant Tester High Accuracy Car Battery Liquid Densitometer
$14.95 Save $10.00 RRP: $24.95
IPX7 Waterproof Battery Monitor 7-100V Battery Capacity Tester Meter with Buzzer Alarm Temperature
$12.95 Save $6.00 RRP: $18.95
Car Motorcycle Waterproof Led Digital Display Voltmeter 12v-24v Dc (blue) PXCL
$11.95 Save $9.00 RRP: $20.95