--- product_id: 291671471 title: "EM285" brand: "allsun" price: "€ 53.06" currency: EUR in_stock: true reviews_count: 13 url: https://www.desertcart.pt/products/291671471-em285 store_origin: PT region: Portugal --- # 16ft extended test lead 6-24V DC voltage range 8A overload auto-protection EM285 **Brand:** allsun **Price:** € 53.06 **Availability:** ✅ In Stock ## Summary > ⚡ Diagnose like a pro, avoid downtime like a boss! ## Quick Answers - **What is this?** EM285 by allsun - **How much does it cost?** € 53.06 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/291671471-em285) ## Best For - allsun enthusiasts ## Why This Product - Trusted allsun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Extended Reach:** 16-foot test lead lets you access hard-to-reach components with ease and flexibility. - • **Precision Voltage Range:** Accurately tests 6-24V DC systems for automotive and electrical diagnostics. - • **Smart Overload Protection:** Automatically trips and resets at 8A to safeguard your circuits and tester. - • **Versatile Diagnostic Tool:** Checks continuity, polarity, switches, relays, fuses, and locates short circuits fast. - • **Reliable Support & Warranty:** Backed by 12 months warranty and lifetime customer support for peace of mind. ## Overview The allsun Circuit Tester Probe Kit is a professional-grade 6-24V DC electrical diagnostic tool designed for automotive and low-voltage systems. Featuring a 16-foot test lead for extended reach, smart overload protection at 8A, and versatile testing capabilities including continuity, polarity, and short circuit detection, it streamlines troubleshooting while ensuring safety. Supported by a 12-month warranty and lifetime support, it’s the essential tool for efficient, reliable electrical system diagnosis. ## Description This circuit tester is the best car electrical tester for reducing diagnostic time in automotive electrical systems. After a simple hook-up of it to the vehicle's battery, an automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward. The circuit tester is short-circuit protected and can test for bad ground contacts instantly. It allows you to follow and locate short circuits. It can also test for continuity with the assistance of its auxiliary ground lead. It includes a front part "-” and a rear part "=”. When you press the front part "-", the probe is connected to the red clip directly. When you press the rear part"=", the probe is connected to the black clip directly. It is connected to the black clip directly. ## Features - [WIDELY APPLICATION]: This EM285 circuit tester can be used to test for continuity and polarity of a voltage; check switches, relays, and the on-off of diodes, fuses, and circuits; test for the polarity of electric cables and plugs; track and locate short circuits, and test for bad ground contacts. - [OVERLOAD PROTECTION]: When the current exceeds 8A, the car circuit tester will disconnect the current automatically. When it sounds, the circuit breaker of the unit trips. After the circuit trips, it will be reset automatically 3-5 seconds later. - [16FT LONG TEST LEAD]: The cable length is approximately 5m (16ft), allowing you to easily test any electrical system. - [DC VOLTAGE ONLY]: The auto circuit tester is not to be used with 110/220-volt house current, it is only for use with DC 6-24V systems. - [AFTER-SALES SERVICE]: This electrical system diagnosis tool has 12 Months of Warranty and Lifetime Support from allsun. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B07RWH5JB6 | | Best Sellers Rank | 299,263 in DIY & Tools (See Top 100 in DIY & Tools) 357 in Circuit Testers | | Brand | allsun | | Colour | Blue | | Compatible Devices | Vehicles with 6-24V electrical system | | Country Of Origin | China | | Customer Reviews | 4.6 4.6 out of 5 stars (943) 4.6 out of 5 stars | | Included Components | 1 x Flexi Extension Cable; 1 x Crocodile Clip; 1 x Wire Probe; 1 x Back-Probe | | Item Dimensions | 27.4 x 5.3 x 4.2 centimetres | | Item Weight | 350 Grams | | Manufacturer | Zhangzhou Haimao Dianzi Keji Co., LTD | | Manufacturer Part Number | allsunEM285 | | Maximum Operating Voltage | 24 Volts | | Measurement Type | Voltmeter | | Minimum Operating Voltage | 6 Volts (DC) | | Model Number | EM285 | | Power Source | Battery Powered | | Product Warranty | Manufacturer warranty for 365 days from date of purchase. | | Specification Met | CE, ISO 9001, UL | | Style Name | Modern | | Unit Count | 1.0 count | | Upc | 687551089540 | | Upper Temperature Rating | 40 Degrees Celsius | ## Product Details - **Brand:** allsun - **Colour:** Blue - **Item weight:** 350 Grams - **Power source:** Battery Powered - **Style:** Modern ## Images ![EM285 - Image 1](https://m.media-amazon.com/images/I/617mJo5oNyL.jpg) ![EM285 - Image 2](https://m.media-amazon.com/images/I/716vw84jJAL.jpg) ![EM285 - Image 3](https://m.media-amazon.com/images/I/61c2nk9is3L.jpg) ![EM285 - Image 4](https://m.media-amazon.com/images/I/61kPU47y0RL.jpg) ![EM285 - Image 5](https://m.media-amazon.com/images/I/61kTlwL6gIL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Is there a case available for this item** A: The packing of the circuit tester is color box, has not carrying case. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent product, quick delivery *by on Reviewed in the United Kingdom 6 January 2024* Used it to solve an electrical issue with my car, did the job perfectly ### ⭐⭐⭐⭐⭐ Used to power car seat motor directly when stuck *by on Reviewed in the United Kingdom 5 February 2023* Used to power the seats on my W211 when the seat module died and was stuck far back. Bought some pin probes with it too and used the cars battery to power the power probe. Stuck the pins into the large gauge wires, reversed polarity to change direction. ### ⭐⭐⭐⭐ Does what it’s supposed to do ! *by on Reviewed in the United Kingdom 21 December 2023* Well built and good value , simple yet useful tester . ## Frequently Bought Together - allsun 6-24Vdc Auto Power Circuit Probe Tester,Power Circuit Detector Electric Test Tool Kit Pen,Short Circuit Finder Test Light Continuity/Polarity of a Voltage,Test Lead 5M(16Ft) Light & Buzzer - allsun em415Pro Automotive Circuit Tester,Short Open Finder Electrical Wire Breaker Tracker,Broken Wire Detector Tool,Cable Fault Locator with Bendable Receiver Probe, DC 6-42V - GTC063 Fuse Socket Connector Kit by GTC, General Technologies Corp --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/291671471-em285](https://www.desertcart.pt/products/291671471-em285) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-27*