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Under $20 General Purpose Battery Testers

Shop the best prices on 2,348 great value under $20 general purpose battery testers. Shopping for general purpose battery testers is easy with Fruugo, with SALE discounts, offers and savings on Aura, Tcgg, Woosien and more. Buy general purpose battery testers online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 2,348
12V 24V 48V 60V 84V Waterproof IP67 Battery Capacity Voltage Meter with Backlight LCD and Low-Voltag
$19.95
Battery Voltmeter DC 8-100V Capacity Indicator Power Meter Lithium LiFePO4 Lead-Acid Cell 12V 24V 48V LCD Screen A
$14.95 Save $8.00 RRP: $22.95
200A High Precision Power Analyzer Watt Meter Battery Consumption Performance Monitor with LCD Backl
$15.95 Save $53.05 RRP: $69.00
BT189 9V Battery Tester AA AAA Universal Household LCD Digital Display Button Cell Battery Tester Power Bank Detector Tool
$20.95 Save $6.00 RRP: $26.95
60V-600V AC Three Phase Rotation Indicator Meter Phase Sequence Tester LED Buzzer with Portable Pouch
$19.95 Save $29.00 RRP: $48.95
ZB2L3 Battery Tester LED Digital Display 18650 Lithium Battery Supply Test Resistance Lead-Acid Cap
$9.95 Save $6.00 RRP: $15.95
BT168 Pro Digital Battery Tester Volt Checker for AA AAA 9V Button Multiple Size Battery Tester Voltage Meter Tools
$12.95
Battery Adapter for 18V Li-Ion Battery Adapter DIY Output to Dock Power Connector Accessories DIY Connector
$20.95
Qc Adapter Tester Automatic Detection Tester For Qualcomm Qc2.0/qc3.0 Voltage Current Meter Phone F
$6.95 Save $7.00 RRP: $13.95
Universal 1.5V 9V Battery Tester Digital Display Battery Checker for AA AAA C D Batteries (Black Red)
$6.95 Save $62.05 RRP: $69.00
Digital Battery Tester BT189 Battery Tester LCD Display Universal Battery Checker For AA AAA 9V 1.5V/3V Button Cell Batteries
$13.95 Save $28.00 RRP: $41.95
Non Contact Voltage Tester Volt Detector Meter Adjustable Sensitivity Sound Light Alarm
$17.95 Save $56.05 RRP: $74.00
10Pcs Carbon Brushes Engine Coal Brushes for GA4534
$14.95 Save $10.00 RRP: $24.95
2X Insulated Alligator Clip Connector Clamp Testing Probe Red+Black
$16.95 Save $12.00 RRP: $28.95
2Pcs DIY for DC 3.7V 50000RPM 716 Hollow Cup Motor Coreless Motor for RC Model T Silver
$20.95
LCD Liquid Crystal 8-100V Voltmeter Battery Car Power Detection Digital Lithium Battery Capacity Display Module,C unbrand
$14.95
Loud hailer Lipo battery voltage alarm display Checker 2-3S LED display for RC Helicopter Quadcopter car battery unbrand
$11.95
Battery Voltmeter DC 8-100V Capacity Indicator Power Meter Lithium LiFePO4 Lead-Acid Cell 12V 24V 48V LCD Screen B unbrand
$17.95
IPS HD Screen USB Tester Voltmeter Ammeter TYPE-C PD/QC2.0/QC3.0 Fast Charge Detection Voltage Current Capacity Tester A
$19.95 Save $8.00 RRP: $27.95
DC 12V-72V Lead Acid Lithium Battery Capacity Voltage Meter Battery Indicator Monitors Green Screen unbrand
$14.95
18650 Li-Ion Lipo Lithium Test 7-55V Acid Battery Level Indicator Tester LEDDisplay Meter Module Capacity VoltageMeter,D unbrand
$11.95
Acid Lithium Battery Voltmeter Battery Capacity Tester LCD Digital Voltage Tester Module USB Battery Level Indicator unbrand
$15.95
Compact Household Battery Checker, Universal Battery Tester for Quick Testing of AA, AAA, C, D, 9V, 2.5V Button Cell and All Household Batteries
$16.95 Save $10.00 RRP: $26.95
Compact Household Battery Checker, Universal Battery Tester for Quick Testing of AA, AAA, C, D, 9V, 2.5V Button Cell and All Household Batteries
$16.95 Save $9.00 RRP: $25.95
Compact Household Battery Checker, Universal Battery Tester for Quick Testing of AA, AAA, C, D, 9V, 2.5V Button Cell and All Household Batteries
$16.95 Save $9.00 RRP: $25.95
BT-168D Digital Voltage Tester Universal Battery Digital Battery Display for AAA, AA, C, D, 1.5V, Charger, Button Cell
$17.95 Save $10.00 RRP: $27.95
Digital Battery Tester 168MAX, Voltage Checker for AAA AA Button Batteries, Universal Battery Capacity Testing Tool with LCD Display
$15.95
Small Battery Tester Small Battery Tester Volt Checker LCD Display Leveling Monitor Button Battery Checker Blue
$20.95 Save $6.00 RRP: $26.95
Voltage Tester, Professional High Brightness Tri Color Electrical Tester Pen with Buzzer Alarm
$20.95 Save $26.00 RRP: $46.95
Portable Battery Capacity Indicator BT-886 Digital Lithium Battery Level Tester with Voltage Meter Compact Size Battery Volt Monitor Detector
$9.95 Save $5.00 RRP: $14.95
Digital Battery Tester LCD Display Accurate Detection Portable Battery Checker for C AA AAA
$11.95 Save $11.00 RRP: $22.95
Battery Capacity Tester Meter for AA AAA 9V 1.5V Digital Display Tool 2Pcs
$22.95 Save $41.05 RRP: $64.00