BT705Plus Car Battery Tester 24V 12V Load Tester

Key Features

• 🏆Upgraded from the Original BT705 – The BT705 Plus is the enhanced, next-generation upgrade to the classic BT705—now delivering results up to 30% faster with a more powerful processor and refined algorithms. It provides higher accuracy even on low-voltage or nearly dead batteries, making it easier to spot weak batteries, alternator issues, and starting problems before they turn into breakdowns or towing bills.
• Complete Battery, Cranking & Charging Tests in One Tool – No need for multiple tools, the BT705 Plus performs battery, cranking, and charging tests in any sequence and measures key metrics like SOH, SOC, cranking voltage/time/CCA, and charging ripple. Detect weak batteries, cold-start risks, or alternator problems with ease—helping you identify potential failures before they disrupt your day.
• Easy to Use with Clear, Colorful Readouts – A high-contrast 2.8" color LCD ensures crisp visibility indoors or outdoors. Five diagnostic indicators are displayed at a glance, making testing easy for anyone. The extra-long 5.9 ft cables let you test batteries solo. Sit in the driver's seat to perform battery load tests, as well as charging and cranking system tests for your vehicle with no assistance needed.
• Wide Compatibility for 24V/12V Vehicles & Eco-Friendly Choice – Compatible with Flooded, AGM, Spiral, and GEL batteries (not for lithium), covering 12V/24V systems for cars, trucks, RVs, boats, heavy-duty, and tractors. Ideal for mechanics, fleets, and DIYers. Certified under GRS standards, FOXWELL delivers both performance and responsibility. Keep your batteries healthy, reduce waste, and drive smarter all year round.
• Prevent Battery & Starting Issues – Long idle periods can weaken your battery, causing hard starts, dim lights, or unstable A/C performance. Test before every trip with the BT705 Plus to spot weak batteries early, check cranking and charging systems, and avoid unexpected roadside trouble. High-conductivity clamps help deliver accurate, professional-grade results.
• Note: (1) You need to enter the rated CCA value of the battery according to its labeling; (2) For in-vehicle testing: ensure all accessory loads are switched off, the ignition key is in the OFF position, and all vehicle doors are closed; (3)Package includes 1 BT705 Plus plus car battery tester with storage box, auto battery tester and battery testers tool for shop or garage, supports repeat battery testing for reliable result tracking

Specifications