leagend products are the result of deep R&D investment, with a high percentage of resources dedicated to proprietary algorithm development and hardware innovation
Empowering Technicians with Precision:
Meet the leagend BA640 Battery Tester
In today’s increasingly electrified automotive world, accuracy in battery diagnostics is not a luxury—it’s a necessity. That’s where leagend BA640 steps in. As one of leagend’s most advanced models, leagend BA640 is designed for automotive professionals who demand speed, precision, and clarity. Featuring a crisp color screen, real-time voltage and resistance readings, and wide battery compatibility (6V/12V/24V lead-acid), leagend BA640 makes diagnostics effortless and dependable.
Its intuitive interface and high-resolution display streamline battery evaluations in busy shop environments, while leagend’s proprietary algorithm ensures highly accurate results—critical when servicing modern vehicles with sensitive electronics.
Key Features of the leagend BA640:
- Multi-Voltage Compatibility
Supports 6V, 12V, and 24V batteries, making it ideal for cars, motorcycles, trucks, SUVs, and even heavy-duty vehicles. - Comprehensive Test Functions
Provides real-time measurement of voltage, internal resistance, CCA, and overall battery status, including State of Health (SOH), State of Charge (SOC), cranking test, and charging system test—all in one device. - High-Definition Color Screen
Equipped with a color LCD display, delivering clear visuals for readings in various lighting conditions—perfect for busy shop environments. - Fast and Accurate Results
Powered by leagend’s proprietary battery testing algorithm, leagend BA640 ensures precise diagnostics, trusted by professionals worldwide. - Plug-and-Play Operation
No need for internal batteries—the device is powered directly from the battery being tested, making it convenient and efficient to use.
leagend Battery Tester Line:
Precision Across All Applications
leagend battery testers series is renowned for industry-leading testing accuracy, enabled by years of algorithm refinement and real-world usage across thousands of garages worldwide. Whether you’re a mobile technician, a fleet operator, or a large repair facility, leagend has a tailored battery testing solution for your workflow.
Key Categories Within leagend Battery Tester Series:
- Battery Testers with Thermal Printing
For on-the-spot diagnostics reports that customers can take home, models like leagend BA4000, leagend BA2000, and leagend BA1000 offer thermal printing capabilities—perfect for transparent service and workshop documentation. - Battery Testers That Support Lithium Batteries
As lithium battery usage expands in EVs and power storage systems, testers like leagend BA106 and leagend RT200 provide safe and accurate testing for both LiFePO4 and lead-acid batteries, ensuring technicians stay future-ready. - Color Screen Battery Testers
Visibility matters. leagend BA4000, leagend BA640, leagend BA550, and leagend BA510 feature bright, high-contrast screens that reduce misreads and enhance user experience, especially in low-light shop conditions. - Bluetooth Portable Battery Tester & On-board Monitor
Compact yet powerful, leagend BT1000 is a technician’s pocket-sized powerhouse. With Bluetooth connectivity and app integration, it allows quick remote diagnostics and even on-board battery monitoring for fleets and DIY users alike. - Professional Internal Resistance Tester
leagend RT200 stands out for advanced users who need precise internal resistance analysis—a vital parameter for battery aging and performance estimation.leagend is one of few manufacturers who can develop and manufacture professional internal resistance testers in the industry.
leagend:
20 Years of Battery Diagnostics Expertise
With over two decades of experience, leagend is a top manufacturer in the battery testing and monitoring industry. leagend solutions are the result of deep R&D investment, with a high percentage of resources dedicated to proprietary algorithm development and hardware innovation. This long-term commitment is what powers leagend class-leading accuracy—the cornerstone of every leagend battery tester.
From large-scale fleet diagnostic solutions to compact consumer devices, leagend remains a trusted name across more than 50 countries. leagend tools empower automotive professionals to work faster, smarter, and with total confidence.
For distributors and resellers looking to grow with a trusted, innovation-driven brand, leagend presents a valuable opportunity. With scalable product lines, strong market presence, and ongoing technical support, leagend empowers its partners to succeed in both mature and emerging markets.
Visit To Be a Partner and join leagend’s global distribution network today.

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