--- product_id: 454438840 title: "FOXWELL Car Battery Load Tester for 6V 12V 24V Cranking and Charging Start-Stop System Test Tool BT780 Auto Batteries Analyzer with Built-in Thermal Printer&Carrying Case …" brand: "foxwell" price: "KD 4.86" currency: KWD in_stock: false url: https://www.desertcart.com.kw/products/454438840-foxwell-car-battery-load-tester-for-6v-12v-24v-cranking store_origin: KW region: Kuwait --- # 6V/12V/24V multi-voltage support Accurate from -20°C to 60°C Built-in thermal printer, no apps needed FOXWELL Car Battery Load Tester for 6V 12V 24V Cranking and Charging Start-Stop System Test Tool BT780 Auto Batteries Analyzer with Built-in Thermal Printer&Carrying Case … **Brand:** foxwell **Price:** KD 4.86 **Availability:** ❌ Out of Stock ## Summary > 🔧 Diagnose like a pro, print like a boss. ## Quick Answers - **What is this?** FOXWELL Car Battery Load Tester for 6V 12V 24V Cranking and Charging Start-Stop System Test Tool BT780 Auto Batteries Analyzer with Built-in Thermal Printer&Carrying Case … by foxwell - **How much does it cost?** KD 4.86 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/454438840-foxwell-car-battery-load-tester-for-6v-12v-24v-cranking) ## Best For - foxwell enthusiasts ## Why This Product - Trusted foxwell brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Multi-User & Traceable:** Supports 4 user profiles with customizable reports to boost shop accountability and trust. - • **Instant Printable Reports:** Generate professional, customer-ready printouts—no smartphone or subscriptions required. - • **Power-Independent Testing:** Built-in battery lets you test dead or off-grid batteries anytime, anywhere. - • **All-in-One Pro Diagnostics:** Complete battery, starting & charging system tests in one sleek device. - • **Extreme Condition Accuracy:** Reliable results from freezing cold to scorching heat, so you never second-guess. ## Overview The FOXWELL BT780 is a professional-grade car battery load tester supporting 6V, 12V, and 24V systems, including start-stop batteries. It features a built-in battery for independent testing, an integrated thermal printer for instant reports without apps, and delivers precise diagnostics even in extreme temperatures (-20°C to 60°C). Designed for automotive pros and serious DIYers, it supports multiple battery types and user profiles, streamlining diagnostics with traceable, customer-ready documentation. ## Description test 12v/24v automotive batteries ## Features - UPGRADED FROM THE FOXWELL BT705 - The FOXWELL BT780 is our flagship battery analyzer for high-volume shops and fleet operations. Supporting 6V, 12V, and 24V battery testing (100-2000 CCA), it provides complete diagnostic including voltage, internal resistance, SOC, and SOH. It also performs cranking and charging system tests for 12V/24V systems to verify starter and alternator performance. Powered by advanced conductance testing technology, the BT780 provides professional-grade accuracy technicians can rely on. With a built-in battery and integrated thermal printer, it turns battery diagnostics into documented, customer-ready service. - PRO-GRADE JAM-FREE PRINTING - Not a cheap printer,the BT780’s integrated thermal printer is engineered for smooth, fast, jam-free printing in seconds. No apps, no pairing, no subscriptions. Instantly generate clear diagnostic reports for customers or service records. The data playback function also lets technicians review the last test result quickly when verifying battery condition. Includes 3 rolls of thermal paper to keep your workflow uninterrupted. - TRACEABLE REPORTS WITH MULTI-USER ACCOUNT SUPPORT - Designed for accountable shop operations, this automotive battery tester supports up to 4 user profiles and customizable report headers including shop name, technician ID, and battery serial numbers. Every test is clearly documented, reducing errors, disputes, and repeat diagnostics. - PRECISE DIAGNOSTICS WITH BUILT-IN POWER & EXTREME TEMPERATURE PERFORMANCE - Unlike testers that draw power from the battery under test, the BT780's built-in power supply ensures stable, interference-free diagnostics—especially on low-voltage or marginal batteries. This eliminates voltage drain during testing, helping prevent inaccurate readings and unnecessary replacements. Engineered for dependable performance from -20°C to 60°C, this battery load tester delivers consistent, reliable results in real-world shop and field conditions. - BUILT FOR DAILY PROFESSIONAL WORK - Equipped with 6.5 ft reinforced cables—longer than 98% of battery testers—for comfortable solo in-vehicle testing. A large Clear 3.2-inch LCD display ensures results are easy to read at a glance, even in low-light shop environments. Heavy-duty clamps for stable contact, and a protective hard carrying case for transport and storage. Built to withstand the demands of daily shop use, the BT780 battery analyzer is designed for long service life and reliable performance—making it a smart investment for repair shops, dealerships, fleets, mobile technicians, and battery retailers. - ONE TOOL FOR NEARLY EVERY BATTERY YOU SERVICE – Supports 100-2000 CCA Flooded, AGM (Flat/Spiral), EFB, Gel, and Start-Stop AGM batteries across cars, trucks, RVs, motorcycles, marine equipment, generators, and commercial fleets. Reduces tool clutter and maximizes return on investment, making it the go-to analyzer for professionals who demand versatility and reliability. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07XFHGZ3N | | Brand | Foxwell | | Colour | Foxwell BT780 12v/24v Battery Tester | | Customer Reviews | 4.4 4.4 out of 5 stars (126) | | Included Components | battery tester | | Item Weight | 1 Pounds | | Manufacturer | foxwell | | Manufacturer Part Number | foxwell bt780 | | Measurement Type | Battery Tester | | Minimum Operating Voltage | 6 Volts | | Model Number | Foxwell BT780 Digital Battery Analyzer | | Power Source | Battery Powered | | Style Name | Thermal | | UPC | 712321445025 | | Upper Temperature Rating | 60 Degrees Celsius | ## Product Details - **Brand:** Foxwell - **Colour:** Foxwell BT780 12v/24v Battery Tester - **Item weight:** 1 Pounds - **Power source:** Battery Powered - **Style:** Thermal ## Images ![FOXWELL Car Battery Load Tester for 6V 12V 24V Cranking and Charging Start-Stop System Test Tool BT780 Auto Batteries Analyzer with Built-in Thermal Printer&Carrying Case … - Image 1](https://m.media-amazon.com/images/I/71Exaa-cMgL.jpg) ![FOXWELL Car Battery Load Tester for 6V 12V 24V Cranking and Charging Start-Stop System Test Tool BT780 Auto Batteries Analyzer with Built-in Thermal Printer&Carrying Case … - Image 2](https://m.media-amazon.com/images/I/71REUciWtQL.jpg) ![FOXWELL Car Battery Load Tester for 6V 12V 24V Cranking and Charging Start-Stop System Test Tool BT780 Auto Batteries Analyzer with Built-in Thermal Printer&Carrying Case … - Image 3](https://m.media-amazon.com/images/I/71Dj6QkuTyL.jpg) ![FOXWELL Car Battery Load Tester for 6V 12V 24V Cranking and Charging Start-Stop System Test Tool BT780 Auto Batteries Analyzer with Built-in Thermal Printer&Carrying Case … - Image 4](https://m.media-amazon.com/images/I/71Rg4np0UML.jpg) ![FOXWELL Car Battery Load Tester for 6V 12V 24V Cranking and Charging Start-Stop System Test Tool BT780 Auto Batteries Analyzer with Built-in Thermal Printer&Carrying Case … - Image 5](https://m.media-amazon.com/images/I/71NOcLQGZAL.jpg) ## Questions & Answers **Q: How you adjust the time and date?** A: Good day, Sorry for the late reply because Chinese New Year holiday. Here is the video, please note to hold left key, down key and the menu key to change the date. Anything else we could help, please contact us via Amazon messages. Stay healthy. Mesue **Q: Does this bt780 battery tester need the voltage higher than 9V to run the printer?** A: No it has a 9 volt battery in it as well so as long as that battery is good the voltage of the cars battery doesn’t matter **Q: How to update the software of this BT780 battery tester?** A: Hello Dear, Thanks for your inquiry. Here are the steps about how to update this BT780 battery tester: 1. Power on the battery tester and find FORMAT CARD on the main menu. 2. Remove TF card from the tester and connect it to computer via card reader in the case. 3. Download BT780_Firmware_V... from Foxwell website(old and new are all allowed). 4. Put TF card back to the analyzer, and select FIRWARE UPDATE from the Main menu. 5. Input 1234 and click Enter button. After the tester restart automatically, the software is updated successfully. If you have any other questions, pls feel free to contact us directly below. Best wishes, OBDZON amazonsupport@foxwelltech.com **Q: Is there U.S. based support?** A: Hi Wayne C., thanks for your inquiry. Yes, usually Foxwell BT780 car battery tester supports U.S. Any other questions, please feel free to contact us for further assistance. :) May you and your family safe and healthy! OBDZON Link to contact us: https://amzn.to/3poRTiH Email: amazonsupport@foxwelltech.com ## Frequently Bought Together - FOXWELL Car Battery Load Tester for 6V 12V 24V Cranking and Charging Start-Stop System Test Tool BT780 Auto Batteries Analyzer with Built-in Thermal Printer&Carrying Case … - FOXWELL BT705 Car Battery Tester, 12V 24V Battery Tester 100-2000CCA Battery/Cranking/Charging Tests for Cars Motorcycles SUVs Trucks, ideal battery tester for Professionals with 2.8 inch LCD Display - JOREST 168 Pcs Car Fuse Assorted Kit, 114 Mini Blade + 54 Standard+ 1Pullers – 11 Specifications Mixed Auto Fuse: 2Amp 3A 5A 7.5A 10A 15A 20A 25A 30A 35A 40A --- ## 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.com.kw/products/454438840-foxwell-car-battery-load-tester-for-6v-12v-24v-cranking](https://www.desertcart.com.kw/products/454438840-foxwell-car-battery-load-tester-for-6v-12v-24v-cranking) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-16*