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Under $20 Vehicle Battery Testers

Shop the best prices on 5,630 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
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
RS-550 Motor - Suitable for Micro Power Tools with DC Voltage Range of 12-24V and Speed of 21000 Rpm
$20.95 Save $30.00 RRP: $50.95
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
Electronic Automotive Relay Tester Kit For Car Auto Battery Checker 12V NEW
$13.95 Save $6.00 RRP: $19.95
DC18V-60V to 12V Converter 20A 240W Golf Cart 24V 36V 48V Step Down to 12V
$18.95 Save $10.00 RRP: $28.95
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
Car Key ECU Test Coil, Car Induction Signal Detection Card, Automotive Key Lock Chip Antenna Tester, Automatic Ignition Coil Tester for Checking The L
$17.95 Save $11.00 RRP: $28.95
Automobile Motorcycle Circuit Tester Check Whether the Electricity or Leakage
$19.95
Professional Round Hour Meter for DC 12V-36V Engine Gauge Tester for Boat Auto ATV UTV Snowmobile Lawn Tractor
$18.95
12V Memory Keeper for Car Battery Change and Disconnect
$16.95 Save $18.00 RRP: $34.95
DC 6V/12V Car Truck Voltage Test Pen
$16.95 Save $4.00 RRP: $20.95
Voltage Tester Tester for Car 1 Automotive Wire Detector
$13.95 Save $5.00 RRP: $18.95
Battery Monitor Voltage Capacity Percentage Tester with Buzzer Alarm & Temp
$18.95 Save $10.00 RRP: $28.95
T0161 Power Circuit Probe Kit, Automotive Circuit Tester (Red/Black) 4 mm
$7.95 Save $3.00 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
$15.95
Adjustable 2 Wire AC 30V-500V LED Digital Voltmeter Voltage Meter Monitor Tester For 220V 110V 380V Red
$18.95
RC Cellmeter 7 Digital Battery Tester for LiPo Li-Ion NiMH - Voltage & Capacity Checker
$11.95 Save $12.00 RRP: $23.95
suitable for Button Battery Tester, Pocket Portable and Lightweight Battery Tester to Check Remaining Battery-YI WU CHUN HUI
$13.95 Save $33.00 RRP: $46.95
Golf Cart Battery Hydrometer Tester for Deep Cycle Rapid Detection Tool
$15.95 Save $31.00 RRP: $46.95
Universal Car Battery Safety Switch with Leak-Proof Design and Circuit Protection
$14.95 Save $25.00 RRP: $39.95
4pcs Small Ball Casters Heavy Duty Conveyor Roller
$7.95
Universal LED DC Digital Voltmeter for Car Battery 12V/24V with Touch Switch - Green
$16.95 Save $17.00 RRP: $33.95
Auto Car Circuit Tester with Steel Probe for DC 6V 12V 24V Voltage Testing
$14.95 Save $14.00 RRP: $28.95
LM3914 10 Segment 3.7V Lithium 12V Battery Capacity Indicator Module
$8.95 Save $4.00 RRP: $12.95