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Under $20 Vehicle Battery Testers

Shop the best prices on 9,069 great value under $20 vehicle battery testers. Shopping for vehicle battery testers is easy with Fruugo, with SALE discounts, offers and savings on Woosien, Kincjon, Viewleaf and more. Buy vehicle battery testers online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 3,200
Electronic Automotive Relay Tester Kit For Car Auto Battery Checker 12V NEW
$12.95 Save $5.00 RRP: $17.95
12V 24V 48V 60V 84V Waterproof IP67 Battery Capacity Voltage Meter with Backlight LCD and Low-Volta
$14.95 Save $5.00 RRP: $19.95
12V 24V Vehicle Battery Current Tester with Bright LCD Display LED Light for Automotive Electrical Diagnostics
$19.95 Save $20.00 RRP: $39.95
2024 Wireless Bluetooth 12v Battery Monitory Bm6 With Car Battery Health Check App Monitoring Battery Tester unbrand
$21.95 Save $11.00 RRP: $32.95
Brushless Motor Tester Electro Car E-Bike Scooter Brushless Motor Controller Tester 24V/36V/48V/60V/
$12.95 Save $37.00 RRP: $49.95
12V 24V 48V 60V 84V Waterproof IP67 Battery Capacity Voltage Meter with Backlight LCD and Low-Voltage Alarm for Lithium
$14.95
Automatic Constant Temperature Diesel Filter Heater 120W 12V/24V for Cars and Trucks
$17.95 Save $36.05 RRP: $54.00
5X Loud Hailer Lipo Battery Voltage Alarm Display Checker 2-3S LED Display for RC Helicopter Quadco
$19.95
RS-550 Motor - Suitable for Micro Power Tools with DC Voltage Range of 12-24V and Speed of 21000 Rpm
$18.95 Save $26.00 RRP: $44.95
Multifunctional Auto Circuit Tester (6-24V) for Em285 - Electrical System Test Pen
$21.95 Save $87.05 RRP: $109.00
ANENG Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay Tester LED Light
$14.95
Autel PowerScan PS100 Electrical Automotive Circuit Tester Tool 6-24V AVOmeter
$15.95
Battery Capacity Indicator Dc 8v-100v Lead Acid Lithium Lifepo4 Car Motorcycle Voltmeter Voltage Gauge 12v 24v 48v 72v
$11.95 Save $40.00 RRP: $51.95
12V 24V 48V 60V 84V Waterproof IP67 Battery Capacity Voltage Meter with Backlight LCD and Low-Voltage Alarm for Lithium
$14.95
2025 Automotive Test Light with 5-120V LED Digital Voltage Display, Circuit Tester with Voltmeter & Dual Color Polarity Indicator
$17.95 Save $17.00 RRP: $34.95
DC18V-60V to 12V Converter 20A 240W Golf Cart 24V 36V 48V Step Down to 12V
$16.95 Save $9.00 RRP: $25.95
Car Relay Tester Voltage Tester Universal 12-24V Car Battery Checker Automotive Electronic Relay T
$18.95 Save $5.00 RRP: $23.95
Battery Capacity Display Voltmeter LED Digital Voltage Meter with Touch-ON OFF Switch Car Motorcycle
$8.95 Save $13.00 RRP: $21.95
Waterproof Lcd Display Digital Hour Meter Inductive Timer For Bike Motorcycle Atv Snowmobile Engine, Black
$7.95 Save $22.00 RRP: $29.95
Car Key ECU Test Coil, Car Induction Signal Detection Card, Automotive Key Lock Chip Antenna Tester, Automatic Ignition Coil Tester for Checking The L
$15.95 Save $10.00 RRP: $25.95
Electronic Automotive Relay Tester Kit For Car Auto Battery Checker 12V NEW
$12.95 Save $5.00 RRP: $17.95
IPX7 Waterproof Battery Monitor with Bracket 7-100V,Car Motorcycle Golf Cart Battery Meter Buzzer Alarm & Temperature
$21.95 Save $21.00 RRP: $42.95
Digital LCD Screen Battery Tester for R20S / R14S / R6S / R03 / R1 / Button / 6F22(Black)
$17.95
RC CellMeter8 1S-8S Battery Capacity Voltage Test Meter for LiPo Li- NiMH Meter
$8.95 Save $9.00 RRP: $17.95
2 Ports Type-C Battery Tester 18650 Lithium Battery Capacity Tester Module Automatic Internal Resistance Power Detector
$20.95 Save $2.00 RRP: $22.95
Professional Round Hour Meter for DC 12V-36V Engine Gauge Tester for Boat Auto ATV UTV Snowmobile Lawn Tractor
$16.95
12V Memory Keeper for Car Battery Change and Disconnect
$14.95 Save $16.00 RRP: $30.95
IPX7 Waterproof Battery Monitor with Bracket 7-100V,Car Motorcycle Golf Cart Battery Meter Buzzer Alarm & Temperature
$18.95 Save $20.00 RRP: $38.95
Motorcycle DC 10-150V Digital Voltmeter LED Display Waterproof Voltage Tester Battery Moniter Gauge-2025
$12.95 Save $11.00 RRP: $23.95
Waterproof LCD Display Digital Hour Meter Inductive Timer for Bike Motorcycle ATV Snowmobile Engine IMH
$15.95 Save $53.05 RRP: $69.00
Battery Tester 6v 12v 24v,100-2000 Cca 2ah-220ah Automotive Alternator Tester Digital Battery Analyzer For Car/truck
$21.95 Save $67.05 RRP: $89.00
5918 DC8-100V Digital Circular Voltmeter Waterproof Battery Capacity Monitor Car Voltage Meter Test
$21.95 Save $62.05 RRP: $84.00