Key features

• •【12V/24V Lead-Acid & Lithium Dual Battery Tester】: One Tester for All Your Vehicles! The ANCEL BT410 car battery tester offers wide compatibility, supporting 12V 24V systems and working with both lead-acid (AGM/GEL/Regular Flooded/EFB) and lithium-ion batteries. You won't need separate tools for your car, truck, RV, motorcycle, or boat—no more hassle of wondering, "Will this battery tester work with my automotive battery?"🔥NOTE: BT410 gets power from the battery under test—no extra batteries or external connections needed
• •【4-IN-1 Professional Diagnosis with QR Reports】: Tired of slow cranking or dreading a dead battery in winter? The BT410 battery load tester can check battery health and clearly tells you if your battery is good, needs recharging, or replacing; tests the cranking system by monitoring voltage range and cranking time to spot issues like weak starters; assesses the charging system with unloaded, loaded, and ripple tests to ensure stable charging and catch generator faults; it also shows real-time battery voltage. Better yet, test data turns into a QR code—just scan it with your phone to share or print reports, saving mechanics and DIYers tons of time
• •【Pro-Level Accuracy & Easy to Use】: The battery load tester is equipped with an advanced smart chip, boasting a testing accuracy of over 99.9%. Its 2.4-inch color TFT screen with adjustable contrast + day/night mode outperforms LED displays—ensuring clear readability whether in bright sunlight or a dark garage. The battery and alternator tester also supports 8 languages, including English, Spanish, and more
• •【Full Protection for Safe Testing】: New to using a auto battery tester and worried a simple mistake could damage your batteries? With the BT410, those worries are gone—it's equipped with both short-circuit protection and reverse polarity protection to guard against accidental reversed connections and short-circuit issues, so you don't have to fear damage to your batteries or equipment. This car battery checker reinforced ABS clamps are sturdy and long-lasting, ensuring secure clamping, letting you test with complete peace of mind every single time
• •【Built to Last】: This ANCEL BT410 24V 12V automotive battery tester has 800mm (31.5-inch) long cables, so it easily reaches hard-to-reach battery connections, and works reliably in extreme temperatures (-4°F to 158°F). This car battery analyzer compact for easy portability and comes with a 12-month w-arranty—so you can use it with confidence, no need to waste money on other poor-quality battery testers that fail after a few uses