View Photos of the 1990 Full-Size Luxury Sedan Comparison Test
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The arrival of Lexus and Infiniti was a watershed event in the world of luxury cars. This is the first comparison test in which the LS400 and the Q45 competed.
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Associated Press
an hour ago
- Associated Press
Technical Insights into leagend Color Screen Battery Tester Lineup
In response to growing industry demand for efficient, leagend has officially introduced its latest 'Color Screen Battery Tester' series. 'The leagend Color Screen Battery Tester series is positioned to reduce diagnostic setup time, improve data traceability, and support more informed maintenance decisions.'— Arthur Kingsly ROME, LAZIO, ITALY, June 29, 2025 / / -- In response to growing industry demand for efficient, field-ready battery diagnostic tools with enhanced visual interfaces, leagend has officially introduced its latest 'Color Screen Battery Tester' series. The new product line features four models equipped with full-color TFT displays, multi-function testing capabilities, and integrated data logging functions. Developed for automotive, industrial, and backup power system applications, the series is designed to improve diagnostic clarity and streamline on-site battery health assessments. Series Overview The new lineup includes the following four testers, each engineered for specific professional and field-service scenarios: leagend BA4000: Color Screen 6V/12V/24V Vehicle Battery & 12V/24V Electrical System Tester with Printer An all-in-one diagnostic instrument, leagend BA4000 evaluates battery CCA (cold cranking amps), internal resistance, voltage, state-of-charge (SoC) and state-of-health (SoH) across 6 V, 12 V, and 24 V systems. It also tests vehicle cranking and charging circuits. A built-in thermal printer delivers immediate hard copies of test results, while real-time voltage curves can be displayed for up to 120 seconds and saved in the tester's 2,100-record memory leagend BA640: Color Screen 6V & 12V & 24V Battery Tester leagend BA640 provides comprehensive battery diagnostics—including CCA, internal resistance, voltage, SoC, and SoH—for 6 V, 12 V, and 24 V lead-acid batteries. In addition to battery testing, it evaluates vehicle starting and charging systems. This model stores up to 1,400 historical records and supports one-key batch testing with on-screen real-time voltage curve playback leagend BA550: Color Screen 6V & 12V Battery Tester Focused on 6 V and 12 V starter batteries and vehicle electrical systems, leagend BA550 measures CCA, internal resistance, voltage, SoC, and SoH. It incorporates a one-key quick-test mode for sequential battery checks and retains up to 1,400 test records. Built-in LED lights assist in low-light conditions, and graphic voltage curves can be recorded and reviewed on the 2.4-inch color display leagend BA510: Color Screen 6V & 12V Battery Tester leagend BA510 offers advanced diagnostics for 6 V and 12 V lead-acid batteries, combining battery performance testing with vehicle cranking and charging system analysis. It features a two-inch TFT color display for voltage curves, stores up to 1,400 historical records, and supports USB-connected printouts of test data. Built-in protection guards against short circuits and reverse polarity. Key Technical Features All four testers in the series share a suite of professional-grade capabilities: - Full-Color TFT Display Provides intuitive visualization of test results, including numerical values and voltage-curve graphics. - Comprehensive Test Parameters Measures CCA (20–2000 CCA), internal resistance, voltage (1–32 V DC), SoC, and SoH. - On-Device Data Logging Stores between 1,400 and 2,100 records (varies by model), allowing technicians to review historical data and identify performance trends. - One-Key Quick Test Enables batch testing of multiple batteries in succession without manual reset, improving workflow efficiency. - Built-in Printer or USB Output leagend BA4000 includes an integrated thermal printer; leagend BA510 supports USB-connected printing, facilitating immediate documentation of results. - Ruggedized Protection All models feature short-circuit and reverse-connection safeguards; leagend BA4000 adds automatic temperature compensation to maintain accuracy across –10 °C to 60 °C operating range. Intended Applications leagend Color Screen Battery Tester series addresses diagnostic needs across diverse environments: Automotive Workshops Rapid starter-battery health checks and alternator/charging system tests for passenger cars, commercial trucks, and motorcycles. Field Service and Roadside Assistance Portable, color-display diagnostics and quick-print capabilities support fast turnaround in mobile repair scenarios. Fleet Maintenance Batch testing of multiple batteries in logistics and transportation fleets, with onboard data logging to track battery life cycles. Industrial and Off-Grid Systems Verification of backup-power battery banks in data centers, solar installations, and UPS units—ensuring reliability in critical power applications. Development Rationale leagend reports that field technicians and workshop managers increasingly demand self-contained diagnostic instruments that minimize reliance on external devices and software. By integrating full-color displays, onboard data storage, and printing functionality, the leagend Color Screen Battery Tester series is positioned to reduce diagnostic setup time, improve data traceability, and support more informed maintenance decisions. leagend is a technology-driven and product-focused manufacturer specializing in battery diagnostic and management solutions. Established in 2005, the company has built a strong presence in global markets over the past two decades through continuous investment in innovation, research and development, and manufacturing capabilities. leagend's OBD II diagnostic tools are widely recognized in international markets for their reliability and technical performance. In addition to its automotive diagnostic products, leagend is known for producing high-precision battery testers, low-power consumption battery monitors, and intelligent 8-step battery chargers, which are applied across automotive, industrial, and renewable energy sectors worldwide. Arthur Kingsly SHENZHEN LEAGEND OPTOELECTRONICS CO., LTD. +86 755 8282 1859 email us here Visit us on social media: LinkedIn Facebook X Legal Disclaimer: EIN Presswire provides this news content 'as is' without warranty of any kind. We do not accept any responsibility or liability for the accuracy, content, images, videos, licenses, completeness, legality, or reliability of the information contained in this article. If you have any complaints or copyright issues related to this article, kindly contact the author above.
Yahoo
3 hours ago
- Yahoo
Germany's Volkswagen to increase stake in US electric carmaker Rivian
German car giant Volkswagen is set to increase its stake in electric vehicle maker Rivian with a planned second payment of $1 billion due this Monday, after the US-based company recently achieved key financial targets in early May. The payment will increase Volkswagen's stake in the company, which stands at 8.6% after an initial $1 billion investment last year. The cash injections are part of a broader cooperation agreement under which Volkswagen has pledged up to $5.8 billion to Rivian. This strategic investment gives Volkswagen access to Rivian's advanced electric vehicle (EV) architecture - technology the German carmaker hopes will help resolve persistent software development challenges that have delayed its own EV launches in the past. Rivian, founded in 2009, has faced financial difficulties in recent years but has now reported gross profits for two quarters in a row. This allowed Volkswagen to release the latest $1 billion payment. However, Rivian still recorded a net loss of $541 million in the last quarter, though this was much lower than the $1.445 billion loss previously reported. Future payments from Volkswagen will depend on the achievement of additional technological milestones, with the next $1 billion trance scheduled for mid-2026 and a final $500 million expected in 2027 when Volkswagen plans to launch its first vehicle featuring Rivian's technology. Of Volkswagen's total $5.8 billion commitment, $3.5 billion is earmarked for acquiring Rivian shares, which could eventually make Volkswagen the company's largest shareholder, surpassing current majority stakeholder Amazon. The remaining $2.3 billion will be invested in the joint venture Rivian Volkswagen Technologies, launched in late 2024. This venture will focus on developing a new electronic architecture and software platform for electric vehicles, which will be shared by both partners. Error in retrieving data Sign in to access your portfolio Error in retrieving data Error in retrieving data Error in retrieving data Error in retrieving data
Yahoo
4 hours ago
- Yahoo
Tesla Has Big Plans in China
Tesla is moving forward with plans to develop new operations in China despite the ongoing trade war between the United States and China, and with uncertainty over tariffs. In June, Tesla signed an agreement to develop a grid-scale battery power plant in China to help provide the country with a stable supply of clean power for consumers and support its aims for a green transition. However, Tesla will be competing with some of the world's biggest battery manufacturers for a market share, as it strives to break into new territory, beyond electric vehicle (EV) manufacturing. The U.S.-based EV giant Tesla began as a Silicon Valley startup around two decades ago. Elon Musk joined the company as its chairman and principal funder in 2004, becoming its CEO in 2008. Tesla was viewed as a pioneer in the world of EVs, investing in a new way of driving when most automakers were only just beginning to float the idea. The EV firm dominated the U.S. and European EV market for several years, offering consumers a variety of wholly electric car models ahead of many of its much larger competitors. The Tesla Model S, which went on sale in 2012, had sports car performance and a range of over 250 miles, at a time when most competitors were offering far slower EVs with a comparatively low range. By 2020, Tesla held a 60 percent share of the U.S. EV market, a figure that fell to 38 percent in 2024, as hundreds of highly competitive EVs flooded the market. However, over time, Tesla has become more than just an EV manufacturer. The company has invested in the development of autonomous driving systems, aiming to deliver driverless 'robotaxis' to cities worldwide. It also has a burgeoning energy-storage business and is working on developing a humanoid robot, known as Optimus. While its EV business is faltering, as far more fully electric options enter the market, many from reputable automakers and at a lower cost, Tesla remains optimistic about its other projects. In June, Tesla announced it had signed a deal to develop the largest grid-scale battery power plant of its kind in China. The utility-scale battery storage system will be used to balance the supply and demand of energy to the grid, helping to deliver a stable supply of renewable electricity to consumers. The deal is thought to be worth $556 million. Tesla's first battery factory in Shanghai has produced over 100 Megapacks – the batteries used for utility-scale deployment – in the first quarter of the year, according to Tesla. One Megapack can provide up to 1 MW of power for four hours. The company stated, 'The grid-side energy storage power station is a 'smart regulator' for urban electricity, which can flexibly adjust grid resources.' The use of Megapacks is expected to boost energy security by ensuring that a stable supply of renewable electricity is delivered to consumers. China has invested heavily in its solar and wind energy sectors for several decades to become the biggest renewable energy power in the world. The Asian giant once again broke records last year when it installed huge quantities of green energy. China's installed solar and wind power capacity climbed 45.2 percent and 18 percent, respectively, in 2024, according to the National Energy Administration. There is now 886.67 GW of installed solar power, marking an increase from 609.49 GW in 2023, as well as a wind energy capacity of 520 GW. China hit its 2030 renewable energy capacity target in July last year, six years ahead of schedule. China's huge renewable energy capacity means that it is vital that the country install utility-scale battery storage at several of its major wind and solar farms to ensure that the clean energy supply is not limited only to the hours of the day in which the sun is shining and the wind is blowing. Battery storage will help China shift its reliance away from fossil fuels in the coming decades as it attempts to decarbonise the economy. Tesla is competing against China's CATL and the automaker BYD in developing battery storage. CATL currently holds around 40 percent of the global market share for battery manufacturing, and the firm was previously expected to provide the battery cells and packs used in Tesla's Megapacks. In addition, Tesla is taking a gamble as the project comes at a time when China is facing a trade war with the U.S., with President Trump having recently imposed high tariffs on Chinese imports. China now has a grid-scale battery capacity of around 40 GW. However, this will have to grow immensely in the coming years to help meet the country's green transition aims. In addition, other countries around the world will be looking to expand their utility-scale battery installations, which could lead Tesla to export more batteries from China. By Felicity Bradstock for More Top Reads From this article on Sign in to access your portfolio
