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Product guide

Autel PowerScan PS100-MBDH Automotive Circuit Tester

Tester: Autel PowerScan PS100-MBDH is a vehicle-powered circuit probe for automotive electrical checks. Its listed functions include DC and AC voltage, resistance, continuity and circuit diagnosis, with a display, flashlight, audible tones and a 20-foot extension cable.

At a glance

  • Combines listed voltage and resistance measurements with test-light, continuity, circuit and component-testing functions.
  • Audible tones and a built-in flashlight are intended to help with checks in low-light or hard-to-view locations.
  • The 20-foot extension cable is intended to reach farther across a vehicle.
Price
$71.99Save 20%

Reference price: $89.99

Price checked: Nov 14, 2026

View offer

Pros and cons

Pros

  • A range of listed electrical checks is combined in one handheld tool, including polarity, continuity and resistance testing.
  • The long extension cable, flashlight and audible alerts can be useful when working around a vehicle with limited visibility or reach.
  • The listing describes power through a vehicle battery and includes a cigarette lighter adapter.

Technical specifications

12 specifications
Identity
BrandAutel
ModelPS100-MBDH
StyleCircuits Test
Colorred
Power and compatibility
Power configurationBattery Powered
Compatible devicesAutel devices and vehicles with standard 12V/24V power supply and cigarette lighter port
Testing and display
DC voltage resolution0.1V resolution
Display160x128 dpi TFT color display
Probe length4.96” compact size
Extension cable20ft extendable cable
Operating conditions and protection
Operating temperature0–60°C (32–140°F)
Circuit protectionCircuit breaker protected to prevent overloads

What to know before buying

Listing details to confirm

The listing describes this as vehicle-powered, while its specification table says “Battery Powered.” The title and feature claims refer to 12V/24V use, but the minimum-voltage field is malformed, so confirm the selected version’s supported supply before purchase. It also claims a 20-foot cable and a 4.96-inch compact size without clarifying whether the latter is the tool’s overall dimension. The technical details list only general compatibility, while the feature claims mention battery clamps and a cigarette lighter adapter. Confirm the exact cable length and package contents for the selected listing.

What’s in the box

Included
  • Circuit tester
  • Extension cable
  • Hookup clips
  • Cigarette lighter adapter

Who is it for?

A good fit for

  • Automotive technicians and DIYers troubleshooting vehicle electrical circuits who want voltage, resistance and continuity checks in one probe.
  • Buyers who need a long test lead and light or audible cues for work in dim or awkward locations.

Less suited to

  • People seeking a general-purpose household electrical tester or a standalone, internally powered meter.
Autel PowerScan PS100-MBDH Automotive Circuit Tester · photo 2
Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 40 ratings
  • 5 stars80%80%
  • 4 stars10%10%
  • 3 stars6%6%
  • 2 stars0%0%
  • 1 star4%4%

Aggregate ratings are mostly five-star, with a smaller spread across lower ratings. This suggests generally favorable ratings but does not explain buyers’ experiences or establish how well the tester performs. Consider the reported rating pattern alongside the need to confirm power configuration, cable length and package details.

Frequently asked questions

What does the Autel PowerScan PS100-MBDH test?

The listing describes DC and AC voltage, resistance, continuity, polarity and circuit checks, along with component-testing functions. These are manufacturer claims, not independent performance verification.

How is the tester powered?

The specifications call it battery powered, while feature text describes powering it from a vehicle battery or cigarette lighter adapter. Confirm the exact power arrangement and included connection accessories for the selected listing.

How long is the extension cable?

Feature text states 20 feet. The listing’s details do not independently confirm this length, so check that the selected version matches the stated cable.

Autel PowerScan PS100-MBDH Automotive Circuit Tester · photo 3
Additional product photo 3

Alternative options

Product details in Markdown