ULTECHNOVO Automotive Fuse Ammeter, 20A Draw Tester for DC 12V/24V/48V Systems, High Accuracy Current Meter for Car Battery Drain Diagnosis, Circuit Troubleshooting Tool with LCD Display

★★★★★ 4.8 73 reviews

US$5.24
Price when purchased online
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US$5.24
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 234139597 Release Date 2026/06/27 List Price US$5.24 Model Number 234139597
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  • PRECISION DRAW DIAGNOSIS TOOL: Specifically engineered for pinpointing battery drains, this automotive fuse ammeter allows you to measure current directly from the fuse box. With a high-sensitivity range of 0.01A to 19.99A, it effectively captures "dark currents" that cause overnight battery depletion, making it an essential diagnostic device for both professional mechanics and DIY car enthusiasts looking to save on expensive shop fees
  • SAFE PLUG-AND-PLAY CIRCUIT TESTING: Say goodbye to invasive wire cutting or back-probing. Our tester features a standard fuse-shaped connector that plugs directly into your car's fuse socket. It provides real-time amperage readings on the clear LCD screen while maintaining circuit protection. Note: This device is designed for standard fuse sizes; please ensure compatibility with your vehicle's fuse block before purchase for a seamless testing experience
  • HEAVY-DUTY PERFORMANCE & WIDE VOLTAGE RANGE: Built to handle the demands of modern vehicles, this digital current meter supports up to 48V DC systems and a maximum load of 20A (for 10-second intervals). Whether you are troubleshooting a 12V passenger car, a 24V truck, or a 48V light electric vehicle, the accuracy ensures reliable data for diagnosing faulty headlights, cooling fans, or aftermarket electronics installations
  • PORTABLE ERGONOMIC DESIGN WITH DURABLE ABS: Constructed from high-impact ABS material, this compact tester (9.5cm length) fits comfortably in your palm and tucks easily into any glove box or toolbox. The intuitive interface and rapid response time allow you to scan through an entire fuse panel in minutes, quickly identifying which branch circuit is responsible for the load without the complexity of a traditional multimeter setup
  • IMPORTANT POWER SPECIFICATIONS & GUARANTEE: To ensure immediate use upon arrival, please note that this unit requires a battery (e.g., 23A 12V, not included) due to shipping safety regulations. We stand behind our automotive electrical tools with a 12-month quality assurance. If you encounter any issues with measurement accuracy or device operation, our US-based support team is ready to provide expert guidance and hassle-free replacements

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4.8 out of 5
★★★★★
73 ratings | 30 reviews
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