Features & Details
Comprehensive Automotive Diagnostics
Easily troubleshoot car electrical issues in real-time. This automotive electrical circuit tester is perfect for checking fog lights, headlights, horns, engine systems, navigation, air conditioning, and more. It also supports a convenient data hold function for easy recording.
Smart Automatic Detection (0.8V – 100V)
No manual switching required! The XT86A features an intelligent auto-ranging digital display that instantly identifies DC voltage, resistance, and on-off continuity. With a broad 0.8V-100V range, it covers everything from standard cars to heavy-duty vehicle circuits.
Durable Build & Ergonomic Design
Crafted with a high-quality, anti-oxidation metal probe, this tester ensures superior conductivity and long-term durability. The flexible spiral spring wire extends for easy reach and retracts for compact storage, while the detachable battery compartment makes maintenance a breeze.
Illuminated LCD & Built-in Flashlight
Engineered for dark environments, the high-definition LCD screen provides clear visibility in any lighting. The built-in flashlight illuminates tight spaces under the hood or chassis, ensuring your automotive electrical circuit tester works wherever the job takes you.
About this item
Technical Specifications
| Feature | Description |
|---|---|
| Brand / Model | Xin-Tester / XT86A |
| DC Voltage Range | 0.8V – 100V (Accuracy: ±1.0%+5) |
| Resistance Range | 2000Ω / 20kΩ / 200kΩ / 2MΩ / 20MΩ (Accuracy: ±1.2%+5) |
| Continuity Test | Resistance < 50Ω (Buzzer sounds) |
| Smart Features | Auto-ranging, Smart Measurement Mode, Automatic Shut-down |
| Illumination | LCD Backlight & Built-in Flashlight |
| Item Weight | 146 Grams |
| Dimensions | 8.07 x 2.17 x 1.5 inches |
| Power Source | Battery Powered (DC 1.5V x 1) |
Versatile Compatibility for All Vehicles
The Xin-Tester XT86A is a universal automotive electrical circuit tester designed for motorcycles, cars, and trucks. Whether you are testing DC voltage or verifying continuity, it provides accuracy across a wide 0.8V to 100V range.

12-in-1 Comprehensive Circuit Diagnosis
Troubleshoot like a pro. This automotive electrical circuit tester covers 12 essential systems, including fog lights, headlights, engine faults, and air conditioning, making it the ultimate helper for identifying line faults.

Demonstration of the Details

HD LCD Backlight Screen
High-definition green backlight ensures crystal-clear readings in any lighting condition, even in dark engine bays.

Integrated LED Flashlight
Built-in flashlight provides instant illumination for under-dash and night-time diagnostics.

Anti-Oxidation Metal Probe
Sharp, highly conductive probe crafted from antioxidant materials for long-term professional use.

Extended Spiral Spring Wire
Abrasion-resistant wire extends up to 78.74 inches, offering maximum flexibility for distant components.

Professional Technical Layout
Ergonomic design with dedicated buttons for power, backlight, and data hold for easy one-handed operation.

Easy Battery Replacement
Powered by a standard 1.5V AAA battery with a removable back cover for quick maintenance.
Real-Time Voltage Monitoring (0.8V – 100V)
Equipped with a smart sensor, the XT86A identifies issues instantly. It provides real-time voltage detection for car battery health and circuit safety.

Complete Professional Kit Contents
The package includes the high-precision automotive electrical circuit tester, a portable tool bag, a high-quality box, and a user manual.

FAQs
What is the voltage range of the XT86A, and is it suitable for trucks?
The XT86A supports a wide DC voltage range from 0.8V to 100V. This makes it a perfect automotive electrical circuit tester for standard 12V passenger cars as well as 24V trucks, buses, and heavy-duty vehicles.
Can I use this tester for household AC wall outlets?
No. The XT86A is specifically designed for DC (Direct Current) automotive circuits. Do not use it on AC circuits (like 110V or 220V household power), as this can damage the internal components and pose a safety hazard.
How does the "Smart Measurement Mode" simplify diagnostics?
In smart mode, the XT86A automatically identifies whether you are measuring DC voltage, resistance, or continuity. You don’t need to manually switch settings; the device detects the signal and displays the accurate reading instantly on the LCD.
What type of battery does it use, and is it easy to replace?
The device is powered by a single 1.5V AAA battery. It features a humanized detachable battery compartment, allowing you to slide off the back cover and replace the battery in seconds without any tools.
Xin-Tester XT86A Professional Automotive Electrical Circuit Tester – 100V Digital Voltage Pen
$18.99 Original price was: $18.99.$14.99Current price is: $14.99.
6–12 Month Warranty
Repair & Refund support available for most products.
Free Worldwide Shipping
Ships within 3 business days.
Taxes & Duties
Buyer responsible for local import fees.
24/7 After-Sales Support
Technical assistance & video guidance within 24h.
Xin-Tester XT86A Professional Automotive Electrical Circuit Tester – 100V Digital Voltage Pen
$18.99 Original price was: $18.99.$14.99Current price is: $14.99.
Features & Details
Comprehensive Automotive Diagnostics
Easily troubleshoot car electrical issues in real-time. This automotive electrical circuit tester is perfect for checking fog lights, headlights, horns, engine systems, navigation, air conditioning, and more. It also supports a convenient data hold function for easy recording.
Smart Automatic Detection (0.8V – 100V)
No manual switching required! The XT86A features an intelligent auto-ranging digital display that instantly identifies DC voltage, resistance, and on-off continuity. With a broad 0.8V-100V range, it covers everything from standard cars to heavy-duty vehicle circuits.
Durable Build & Ergonomic Design
Crafted with a high-quality, anti-oxidation metal probe, this tester ensures superior conductivity and long-term durability. The flexible spiral spring wire extends for easy reach and retracts for compact storage, while the detachable battery compartment makes maintenance a breeze.
Illuminated LCD & Built-in Flashlight
Engineered for dark environments, the high-definition LCD screen provides clear visibility in any lighting. The built-in flashlight illuminates tight spaces under the hood or chassis, ensuring your automotive electrical circuit tester works wherever the job takes you.
Technical Specifications
| Feature | Description |
|---|---|
| Brand / Model | Xin-Tester / XT86A |
| DC Voltage Range | 0.8V – 100V (Accuracy: ±1.0%+5) |
| Resistance Range | 2000Ω / 20kΩ / 200kΩ / 2MΩ / 20MΩ (Accuracy: ±1.2%+5) |
| Continuity Test | Resistance < 50Ω (Buzzer sounds) |
| Smart Features | Auto-ranging, Smart Measurement Mode, Automatic Shut-down |
| Illumination | LCD Backlight & Built-in Flashlight |
| Item Weight | 146 Grams |
| Dimensions | 8.07 x 2.17 x 1.5 inches |
| Power Source | Battery Powered (DC 1.5V x 1) |
Versatile Compatibility for All Vehicles
The Xin-Tester XT86A is a universal automotive electrical circuit tester designed for motorcycles, cars, and trucks. Whether you are testing DC voltage or verifying continuity, it provides accuracy across a wide 0.8V to 100V range.
12-in-1 Comprehensive Circuit Diagnosis
Troubleshoot like a pro. This automotive electrical circuit tester covers 12 essential systems, including fog lights, headlights, engine faults, and air conditioning, making it the ultimate helper for identifying line faults.
Demonstration of the Details
HD LCD Backlight Screen
High-definition green backlight ensures crystal-clear readings in any lighting condition, even in dark engine bays.
Integrated LED Flashlight
Built-in flashlight provides instant illumination for under-dash and night-time diagnostics.
Anti-Oxidation Metal Probe
Sharp, highly conductive probe crafted from antioxidant materials for long-term professional use.
Extended Spiral Spring Wire
Abrasion-resistant wire extends up to 78.74 inches, offering maximum flexibility for distant components.
Professional Technical Layout
Ergonomic design with dedicated buttons for power, backlight, and data hold for easy one-handed operation.
Easy Battery Replacement
Powered by a standard 1.5V AAA battery with a removable back cover for quick maintenance.
Real-Time Voltage Monitoring (0.8V – 100V)
Equipped with a smart sensor, the XT86A identifies issues instantly. It provides real-time voltage detection for car battery health and circuit safety.
Complete Professional Kit Contents
The package includes the high-precision automotive electrical circuit tester, a portable tool bag, a high-quality box, and a user manual.
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