FOXWELL BT780 24V 12V 6V Car Battery Tester with Bilt-in Printer, Professional Battery Load Tester, 100-2000CCA Automotive Cranking Charging
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FOXWELL Car Battery Load Tester provides an easy and affordable solution for you to check battery health and detect faults, and give you accurate test result just in seconds with advanced conductance and ripple voltage test technology
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Product Details
- FLAGSHIP 6V/12V/24V BATTERY & SYSTEM DIAGNOSTICS - Upgraded from FOXWELL BT705, the BT780 is a flagship battery analyzer for technicians, dealerships, fleets, battery retailers, service professionals and DIYers who need fast, dependable answers. It tests 6V, 12V, and 24V batteries from 100-2000 CCA with readings for voltage, internal resistance, SOC, and SOH. It also performs 12V/24V cranking and charging system tests to help identify whether the issue is from the battery, starter, or charging system before it causes unnecessary replacements, downtime, or towing costs.
- BUILT-IN BATTERY POWER FOR ANYTIME ACCESS - Unlike basic testers that draw power from the battery under test, the FOXWELL BT780 battery tester has a built-in battery, letting you power on anytime without connecting to the tested battery. Review saved results, check battery records, or print reports wherever the job takes you. This independent power design also supports more stable diagnostics on weak, discharged, or low-voltage batteries, reducing interference that may affect basic testers and improving testing efficiency.
- PRO-GRADE JAM-FREE PRINTING FOR CLEARER REPAIR DECISIONS - The BT780 battery tester with printer delivers smooth, fast, jam-free thermal printing in seconds. No apps, no Bluetooth pairing, and no subscription fees required. Professionals can print clear reports for customers on the spot, while DIYers and car owners can test at home, keep a printed record, and bring results to a repair shop to better understand battery issues before approving repairs or replacements. Includes 3 rolls of thermal paper for ready-to-use convenience.
- CUSTOMIZABLE & TRACEABLE REPORT MANAGEMENT - Designed for professional service environments, the BT780 car battery tester supports up to 4 user profiles and customizable report details, including shop name, technician ID, and battery serial number. Data playback lets you quickly review previous test results for follow-up checks, customer records, and battery condition tracking. Every test becomes more traceable, professional, and easier to manage across multiple customers, vehicles, or service teams.
- BUILT FOR DAILY PROFESSIONAL WORK - Made for serious day-to-day use, the BT780 features 6.5 ft reinforced cables for easier solo in-vehicle testing, a large 3.2-inch clear LCD for quick reading, heavy-duty clamps for stable contact, and a protective hard carrying case for organized storage and transport. Built for repair shops, mobile technicians, dealerships, fleets, battery professionals car owners and DIYers, it helps make daily battery service faster, easier, and more dependable.
- WIDE BATTERY COVERAGE FOR MORE SERVICE SCENARIOS - The BT780 battery tester with printer supports 100-2000 CCA Flooded, AGM Flat/Spiral, EFB, Gel, and Start-Stop AGM batteries used in cars, trucks, RVs, motorcycles, marine equipment, generators, and commercial fleets. One professional battery analyzer covers more battery types and job scenarios, helping reduce tool clutter, improve efficiency, and deliver better long-term value.
| Power Source | Battery Powered |
| Minimum Operating Voltage | 5 Volts |
| Upper Temperature Rating | 60 Degrees Celsius |
| Measurement Type | Battery Tester |
| Style Name | 6V 12V 24V Battery Tester with Printer For Car Heavy Duty Truck Buses Marine Motorcycle ATV SUV Boat Yacht Golf Carts, ideal for repair shops, mechanicians, dealerships, battery retailers and DIYers |
| Color | Foxwell BT780 6v/12v/24v Battery Tester |
| Item Weight | 16 ounces (453.6 grams) |
| Brand Name | FOXWELL |
| Model | Foxwell BT780 Digital Battery Analyzer |
| UPC | 712321445025 |
| Manufacturer | foxwell |
| Part Number | foxwell bt780 |
| Included Components | battery tester |
| Brand | FOXWELL |
| Style | 6V 12V 24V Battery Tester with Printer For Car Heavy Duty Truck Buses Marine Motorcycle ATV SUV Boat Yacht Golf Carts, ideal for repair shops, mechanicians, dealerships, battery retailers and DIYers See more |
| Package Weight | 9.25 Pound |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
What's in the box
battery tester
Who Should Buy?
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Automotive Technicians
Perfect for professionals who need to diagnose battery health and charging system efficiency quickly and accurately.
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Car Enthusiasts
Ideal for DIY car owners looking to maintain and test battery performance for optimal vehicle health and longevity.
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Fleet Operators
Great for managing multiple vehicles, ensuring all batteries are functioning well to reduce downtime and maintenance costs.
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Casual Users
Not suitable for individuals who need a simple, basic battery tester without advanced features or functions.
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Non-Automotive Users
Not recommended for users who do not work with vehicles or have no need for automotive battery diagnostics.
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Budget-Conscious Buyers
Overkill for those on a tight budget who might prefer cheaper alternatives without extensive features.
Product Description
Sustainability Highlights
This product has sustainability features recognized by trusted certifications.
Contains at least 50% recycled material. As certified by
Global Recycled Standard (GRS) certified products contain recycled content that has been independently verified at each stage of the supply chain, from the source to the final product and meet social, environmental, and chemical requirements. The purchase of Global Recycled Standard (GRS) certified products supports the use of recycled content in the supply chain. A product must contain at least 50% certified GRS material to qualify for inclusion in Climate Pledge Friendly. Learn more about this certification
- Certification Body
- SGS
- Certification Number
- TE-00304824
Made with chemicals safer for human health and the environment. As certified by
Global Recycled Standard (GRS) certified products contain recycled content that has been independently verified at each stage of the supply chain, from the source to the final product and meet social, environmental, and chemical requirements. The purchase of Global Recycled Standard (GRS) certified products supports the use of recycled content in the supply chain. A product must contain at least 50% certified GRS material to qualify for inclusion in Climate Pledge Friendly. Learn more about this certification
- Certification Body
- SGS
- Certification Number
- TE-00304824
Manufactured on farms or in facilities that protect the rights and/or health of workers. As certified by
Global Recycled Standard (GRS) certified products contain recycled content that has been independently verified at each stage of the supply chain, from the source to the final product and meet social, environmental, and chemical requirements. The purchase of Global Recycled Standard (GRS) certified products supports the use of recycled content in the supply chain. A product must contain at least 50% certified GRS material to qualify for inclusion in Climate Pledge Friendly. Learn more about this certification
- Certification Body
- SGS
- Certification Number
- TE-00304824
Customer Questions & Answers
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Question:
What is the FOXWELL BT780 Car Battery Tester used for?
Answer: The FOXWELL BT780 Car Battery Tester is a comprehensive tool designed to analyze automotive batteries and charging systems. It can test both 12V and 24V batteries, providing detailed readings on cranking amps (100-2000CCA) and overall battery health. This device is essential for diagnosing battery issues, ensuring that your car starts reliably and operates efficiently. -
Question:
How does the battery load testing feature work?
Answer: The battery load testing feature evaluates the capacity and condition of your battery under simulated load conditions. By applying a specific load to the battery while monitoring voltage levels, the tester provides insights into its ability to perform under strain. This is crucial for determining whether a battery needs replacement or is still viable, helping prevent unexpected vehicle breakdowns. -
Question:
Does the FOXWELL BT780 come with a printer?
Answer: Yes, the FOXWELL BT780 Car Battery Tester includes a built-in printer, allowing you to print out test results for easy record-keeping or customer handouts. This feature is particularly useful for automotive professionals needing to document battery testing results, enhancing your service transparency and reliability. -
Question:
Is the FOXWELL BT780 compatible with all car models?
Answer: The FOXWELL BT780 is designed to work with a wide range of vehicles that use 12V and 24V battery systems. This includes most car models, SUVs, vans, and light trucks. However, it is always best to verify compatibility with your specific vehicle model, especially for unique or high-performance cars, to ensure accurate testing results. -
Question:
How do I operate the FOXWELL BT780?
Answer: Operating the FOXWELL BT780 is straightforward. Connect the clamps to the battery terminals—red for positive and black for negative—power on the device, and follow the on-screen prompts to initiate testing. The intuitive interface guides you through options such as load testing, registering battery info, and printing results, making it user-friendly for both professionals and DIY enthusiasts. -
Question:
What types of batteries can the FOXWELL BT780 test?
Answer: The FOXWELL BT780 testers can assess various battery types, including conventional lead-acid batteries, absorbed glass mat (AGM) batteries, and gel batteries. This flexibility makes it a valuable tool for both automotive service centers and personal use as it accommodates the numerous battery technologies used in modern vehicles. -
Question:
Can I test the cranking system with the FOXWELL BT780?
Answer: Absolutely! The FOXWELL BT780 not only tests battery health but also assesses the cranking system’s performance. By measuring the voltage drop during cranking, it helps identify issues with starter motors and other components, ensuring your vehicle starts smoothly every time and facilitating preventative maintenance. -
Question:
What is the significance of the CCA range (100-2000 CCA)?
Answer: CCA stands for Cold Cranking Amps, a critical measurement for understanding how well a battery will perform in cold conditions. A rating between 100-2000 CCA indicates that the FOXWELL BT780 can test a wide range of battery strengths, making it suitable for everything from smaller vehicles to heavy-duty trucks. Knowing the CCA is vital for technicians to recommend the appropriate battery replacements. -
Question:
Is customer support available for the FOXWELL BT780?
Answer: Yes, FOXWELL provides comprehensive customer support for users of the BT780. You can access resources like user manuals, FAQ sections, and direct customer service options for troubleshooting and operational assistance. This support ensures that you can fully leverage the device's features without facing significant downtime or confusion. -
Question:
Where can I buy the FOXWELL BT780 Car Battery Tester in Saint Lucia?
Answer: You can purchase the FOXWELL BT780 Car Battery Tester through Ubuy in Saint Lucia. They offer a reliable platform for buying this product, ensuring delivery and customer support tailored to your needs. Ubuy often provides a user-friendly shopping experience, making it easy to find the right tools for your automotive maintenance.
Customer Reviews & Ratings
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- Tests 12V regular flooded, AGM flat plate, AGM sprial and GEL batteries, as well as 6V&12V&24V starting and charging system
- Provides measured voltage, measured CCA (Cold Cranking Amps), rated CCA, cranking voltage, charging voltage, charging ripple and so on
- Equipped with 0-1000A AC and DC current clamp
- Built-in thermal printer and replaceable test cable
- Safe operation and user-friendly design
- Tests start-stop AGM and EFB batteries and allows technicians to check the output voltage of alternator quickly












