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24 cheapest tester on AliExpress

We picked 24 tester from AliExpress with real orders and good reviews. Prices go from CHF 1.39 to CHF 3.44, the average rating is 4.8 stars and the most popular one has 53.2k orders. Every product opens on AliExpress, where you pay with buyer protection.

Updated: 2026-11

  1. 1Cute Cat Claw Key Chain Key Ring Fingertip Decompression Pressure Toy Keycap Tester Back B-55%Cute Cat Claw Key Chain Key Ring Fingertip Decompression Pressure Toy Keycap Tester Back Bag Pendant FestivalCHF 1.39 CHF 3.11★ 4.9 · 5.3k soldView on AliExpress →
  2. 212V 24V 36V 48V 60V Car Battery Charge Level Indicator Lithium Battery Capacity Meter Test-50%12V 24V 36V 48V 60V Car Battery Charge Level Indicator Lithium Battery Capacity Meter Tester Display LEDCHF 1.90 CHF 3.79★ 4.9 · 893 soldView on AliExpress →
  3. 3RELIFE XA5 Inductance Tester Electromagnetic Non-Contact Fault Detection-53%RELIFE XA5 Inductance Tester Electromagnetic Non-Contact Fault DetectionCHF 1.93 CHF 4.14★ 4.9 · 23.3k soldView on AliExpress →
  4. 4Servo Tester RC 3CH Multi ESC Consistency Speed Controller Checker Steering Gear Tool CCPM-55%Servo Tester RC 3CH Multi ESC Consistency Speed Controller Checker Steering Gear Tool CCPM Adjustment Tool forCHF 2.23 CHF 4.97★ 4.7 · 56 soldView on AliExpress →
  5. 5BX100 1-8S Lipo Battery Voltage Indicator Tester Low Voltage Buzzer Alarm 3.7V 7.4V-50%BX100 1-8S Lipo Battery Voltage Indicator Tester Low Voltage Buzzer Alarm 3.7V 7.4VCHF 2.41 CHF 4.81★ 5.0 · 11 soldView on AliExpress →
  6. 6Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Te-68%Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Testing PenCHF 2.43 CHF 7.49★ 4.8 · 10k soldView on AliExpress →
  7. 7BT-168D Battery Tester Universal Digital LCD Tester AA AAA CD 9V 1.5V Button Cell Voltage -56%BT-168D Battery Tester Universal Digital LCD Tester AA AAA CD 9V 1.5V Button Cell Voltage Battery Voltage TestCHF 2.59 CHF 5.94★ 4.6 · 2.6k soldView on AliExpress →
  8. 8Auto Car Brake Fluid Liquid Tester Pen With Intelligent Display-60%Auto Car Brake Fluid Liquid Tester Pen With Intelligent DisplayCHF 2.60 CHF 6.48★ 4.9 · 14.3k soldView on AliExpress →
  9. 9Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Te-59%Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Testing PenCHF 2.60 CHF 6.33★ 4.9 · 20.9k soldView on AliExpress →
  10. 10Automotive Brake Fluid Brake Oil Testing Pen Vehicle Brake Fluid Tester Oil Quality Test D-50%Automotive Brake Fluid Brake Oil Testing Pen Vehicle Brake Fluid Tester Oil Quality Test Display Testing ToolsCHF 2.62 CHF 5.24★ 4.9 · 1.1k soldView on AliExpress →
  11. 11Electric Pen High-Precision Induced Electric Tester Pen Electroprobe Screwdriver Probe Lig-63%Electric Pen High-Precision Induced Electric Tester Pen Electroprobe Screwdriver Probe Light Voltage Tester DeCHF 2.68 CHF 7.19★ 4.9 · 7 soldView on AliExpress →
  12. 12Four-Channel 18650 Battery Capacity and Internal Resistance Tester Automatic Charge-Discha-56%Four-Channel 18650 Battery Capacity and Internal Resistance Tester Automatic Charge-Discharge Module ElectroniCHF 2.83 CHF 6.42★ 4.8 · 509 soldView on AliExpress →
  13. 13Car Voltage Tester Pen 6V-24V DC, Automotive Circuit Electrical Tester with Test Probe Nee-52%Car Voltage Tester Pen 6V-24V DC, Automotive Circuit Electrical Tester with Test Probe NeedleCHF 2.89 CHF 6.02★ 4.8 · 985 soldView on AliExpress →
  14. 14ANENG BT189 Button Cell Battery Tester 9V N D C AA AAA Universal Household LCD Display Bat-54%ANENG BT189 Button Cell Battery Tester 9V N D C AA AAA Universal Household LCD Display Battery Tester Power BaCHF 2.93 CHF 6.38★ 4.7 · 3.8k soldView on AliExpress →
  15. 15High Precision Car Tire Pressure Gauge Manometer Mini Dial AUTO Air Pressure Meter Tester-58%High Precision Car Tire Pressure Gauge Manometer Mini Dial AUTO Air Pressure Meter TesterCHF 2.94 CHF 7.03★ 4.6 · 1.6k soldView on AliExpress →
  16. 166V 12V 24V Car Truck Voltage Circuit Tester Auto Car Diagnostic Probe Test Pen Light Bulb-71%6V 12V 24V Car Truck Voltage Circuit Tester Auto Car Diagnostic Probe Test Pen Light BulbCHF 3.11 CHF 10.56★ 4.8 · 42.1k soldView on AliExpress →
  17. 17Hirisi Fishing Knot Puller Knotter Tie Tester Tightener Terminal Tackle Puller Tightener RHirisi Fishing Knot Puller Knotter Tie Tester Tightener Terminal Tackle Puller Tightener Rig Bait FishingCHF 3.19★ 4.7 · 132 soldView on AliExpress →
  18. 1812V LED Digital Voltmeter Waterproof Voltage Gauge Meter Battery Tester with Digital Touch-56%12V LED Digital Voltmeter Waterproof Voltage Gauge Meter Battery Tester with Digital TouchCHF 3.28 CHF 7.51★ 4.9 · 1k soldView on AliExpress →
  19. 19Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Te-57%Universal Brake Fluid Tester Accurate Oil Quality Diagnostic Tools LED Indicator Liquid Testing PenCHF 3.31 CHF 7.73★ 4.8 · 10.7k soldView on AliExpress →
  20. 20DC 12V-24V Digital Display Cigarette Lighter Electric Voltage Meter Tester-46%DC 12V-24V Digital Display Cigarette Lighter Electric Voltage Meter TesterCHF 3.31 CHF 6.13★ 4.8 · 117 soldView on AliExpress →
  21. 21Non-Contact Voltage Detector Pen 12-1000V AC Tester, Live Wire Breakpoint Finder, Electric-57%Non-Contact Voltage Detector Pen 12-1000V AC Tester, Live Wire Breakpoint Finder, Electrical OutletCHF 3.44 CHF 8.00★ 4.9 · 53.2k soldView on AliExpress →
  22. 22ANENG VD807 NCV Non‑Contact Voltage Tester Pen 12‑300V Sound Light Alarm Live Neutral Wire-59%ANENG VD807 NCV Non‑Contact Voltage Tester Pen 12‑300V Sound Light Alarm Live Neutral Wire BreakpoinCHF 3.44 CHF 8.42★ 4.9 · 8.5k soldView on AliExpress →
  23. 2312V car battery tester, Alternator Tester Automotive,Battery Checker, Analyzer to Check al-56%12V car battery tester, Alternator Tester Automotive,Battery Checker, Analyzer to Check alCHF 3.44 CHF 7.87★ 4.7 · 3.3k soldView on AliExpress →
  24. 24DT830B Mini Handheld Digital Multimeter, Voltmeter Ammeter Tester-63%DT830B Mini Handheld Digital Multimeter, Voltmeter Ammeter TesterCHF 3.44 CHF 9.26★ 4.9 · 31k soldView on AliExpress →

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