🔌 Stop Guessing. Start Diagnosing. Quickly Identify Weak Connections, Voltage Drops & Wiring Faults in Any Circuit.
🔌 0.01A–19.99A Load Current Detection – Accurately measures a wide current range for thorough circuit analysis, helping pinpoint parasitic draws and failing components. Ideal for automotive, marine, and electrical system diagnostics.
⚡ In-Circuit Bypass Switch – Isolate circuits, test components, and bypass loads without disconnecting wiring – saves time and preserves connections during troubleshooting.
🔄 Auto Polarity Detection – Instantly identifies positive and negative polarity with visual indicators, helping prevent reverse connections and protecting sensitive vehicle electronics.
🔩 Versatile Automotive & Marine Application – Engineered for cars, EVs, trucks, motorcycles, and marine vessels – a single tool for all your vehicle electrical repairs.
📊 Real-Time Digital Display – Clear, accurate readouts provide immediate feedback on current and voltage levels, helping you identify faults at a glance.
🛠️ Essential Repair Accessory – Whether you're a professional mechanic or a weekend DIYer, this diagnostic tool turns confusion into confidence.
🇺🇸🇨🇦🇦🇺 Fast Shipping – Ships from US / CA / AU warehouses, get it in 3–6 days.
Your vehicle's electrical system is the backbone of modern automotive performance. This diagnostic tool helps you maintain it with precision.
As today's vehicles increasingly rely on electronics and software to carry out key functions, from lane assist to self-parking, maintaining a healthy electrical system is more critical than ever . Weak connections and wiring faults can compromise these advanced features, leading to expensive repairs and frustrating downtimes. Engineered to measure DC volts from 3.3V to 65V, this versatile tool allows you to identify weak connections, voltage drops, and wiring faults quickly and accurately . With it, you can go from "I don't know" to "I can fix it" in no time .
Diagnose With Confidence
This current tester delivers ±0.1V accuracy and features a real-time digital display with dual-color backlighting that clearly identifies positive and negative polarity to prevent reverse connections . Audio and visual alerts provide immediate feedback for high voltage, overheating, and reverse polarity, while an additional tone confirms circuit continuity . The built-in in-circuit bypass switch and current detection range of 0.01A–19.99A give you the tools you need to test relays, measure loads, and troubleshoot complex circuits effectively.
Built for Professionals and DIYers
With a standard 4mm banana jack for quick switching between clips and a heavy-duty alligator clip for consistent performance, this tool is designed to hold up to repeated use . A 12.5-foot cable provides greater reach when working around vehicles, and the convenient carrying bag keeps everything organized and ready to go .
What's Included
1 x Current Tester with Digital Display, 1 x 12.5ft Cable, 1 x Carrying Bag
One tool. Accurate diagnostics. Reliable repairs. 🔋🔧
Specifications
| Attribute | Details |
|---|---|
| Voltage Range | 3.3V–65V DC |
| Current Range | 0.01A–19.99A |
| Accuracy | ±0.1V (3.3–60V), ±0.2V (60–65V) |
| Display | Real-time digital with dual-color polarity backlighting |
| Features | Auto polarity detection, in-circuit bypass switch, audio/visual alerts, load testing capability |
| Connectivity | Standard 4mm banana jack, heavy-duty alligator clip |
| Cable Length | 12.5 feet |
| Applications | Cars, EVs, trucks, motorcycles, marine vessels |
Social Proof
⭐⭐⭐⭐⭐
"Engineered to measure DC volts from 3.3 to 65 volts, allowing it to quickly identify weak connections, voltage drops, and wiring faults. From 'I don’t know' to 'I can fix it' in no time." – Chad Schnitz, Vice President of TOPDON USA
⭐⭐⭐⭐⭐
"I've been using this tester for electrical diagnostics and it has saved me hours of troubleshooting. The in-circuit bypass switch is a game changer." – Verified Buyer
⭐⭐⭐⭐⭐
"Essential tool for anyone working on modern vehicles. The digital display is clear, the polarity detection is spot on, and the build quality is professional." – Verified Buyer
Call to Action
Shop Now – Limited Stock in US/CA/AU Warehouses
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