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Under $20 Vehicle Battery Testers

Shop the best prices on 6,580 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
ANENG Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Tester LED Light
$15.95
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
Autel PowerScan PS100 Electrical Automotive Circuit Tester Tool 6-24V AVOmeter
$16.95
12V 24V 48V 60V 84V Waterproof IP67 Battery Capacity Voltage Meter with Backlight LCD and Low-Voltage Alarm for Lithium
$15.95
Battery Capacity Indicator Dc 8v-100v Lead Acid Lithium Lifepo4 Car Motorcycle Voltmeter Voltage Gauge 12v 24v 48v 72v
$12.95 Save $46.05 RRP: $59.00
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
RC CellMeter8 1S-8S Battery Capacity Voltage Test Meter for LiPo Li- NiMH Meter
$8.95 Save $9.00 RRP: $17.95
12V Memory Keeper for Car Battery Change and Disconnect
$16.95 Save $17.00 RRP: $33.95
IPX7 Waterproof Battery Monitor with Bracket 7-100V,Car Motorcycle Golf Cart Battery Meter Buzzer Alarm & Temperature
$21.95 Save $22.00 RRP: $43.95
Motorcycle DC 10-150V Digital Voltmeter LED Display Waterproof Voltage Tester Battery Moniter Gauge-2025
$13.95 Save $11.00 RRP: $24.95
Waterproof LCD Display Digital Hour Meter Inductive Timer
$18.95
12V/24V Automotive Relay Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
$22.95
Battery Tester with Meter Electric Voltage Tester
$21.95
Car Truck Voltage Circuit Tester Digital Display Long Probe Test Pen Light Bulb Automotive Repair Diagnostic Tools
$8.95 Save $5.00 RRP: $13.95
Electric Fence Tester LCD Screen Voltage Meter 10KV Portable Tool with 8pcs Light for Farm
$18.95 Save $18.00 RRP: $36.95
24V Automotive Blade Fuse Tester Puller Power Measurement Diagnostic Fuse Tester Mini Fuse Testing Tool
$9.95 Save $11.00 RRP: $20.95
36-Tooth Steel Gear Battery Car Driving Service Lithium Battery Car
$15.95 Save $18.00 RRP: $33.95
Battery Monitor Voltage Capacity Percentage Tester with Buzzer Alarm & Temp
$18.95 Save $9.00 RRP: $27.95
T0161 Power Circuit Probe Kit, Automotive Circuit Tester (Red/Black) 4 mm
$6.95 Save $4.00 RRP: $10.95
24V/36V/48V/60V/72V Electro Car E-Bike Scooter Brushless Motor Controller Tester for Teste Motor Coi
$19.95 Save $10.00 RRP: $29.95
Single 3.7V Lithium Battery Capacity Indicator Module Li-Ion 1S 3.7V Blue Display Electric Vehicle Power Tester Replace
$14.95
Voltage Tester, AC DC, LED Display, Test Pen
$14.95 Save $19.00 RRP: $33.95
suitable for Button Battery Tester, Pocket Portable and Lightweight Battery Tester to Check Remaining Battery-YI WU CHUN HUI
$13.95 Save $32.00 RRP: $45.95
Golf Cart Battery Hydrometer Tester for Deep Cycle Rapid Detection Tool
$15.95 Save $30.00 RRP: $45.95