VEHLIVE BT911 Car Battery and Alternator Tester

The VEHLIVE BT911 battery tester delivers fast, clear diagnostics for 6V, 12V, and 24V systems. This advanced car battery analyzer gives you reliable insights into battery and alternator performance.

Car Battery Tester – Benefits for You

✅ Quickly identifies weak or failing batteries so you avoid unexpected breakdowns.

✅ Provides professional‑grade accuracy, helping you diagnose issues with confidence.

✅ Reads essential health data so you can plan maintenance before problems escalate.

✅ Checks both starting and charging performance, letting you verify your vehicle’s entire electrical system.

✅ Saves time with instant results, allowing you to troubleshoot without lengthy testing.

✅ Lets you test batteries in or out of the vehicle so you can work however is most convenient.

✅ Offers simple plug‑and‑play operation so beginners and professionals can use it easily.

✅ Supports a wide range of vehicles, giving you a single tool for multiple battery types.

Take the guesswork out of diagnostics and understand your vehicle’s battery health with clarity.

The BT911 stands out with its dual‑circuit testing capability for both 12V and 24V systems. An independently calibrated process ensures stable, precise results, while support for over 300 motorcycle battery models makes it exceptionally versatile. You can also manually enter battery capacity when needed, giving you flexible control over testing.

The upgraded internal chip enhances performance by more than 30%, offering rapid results with extremely high diagnostic precision. It evaluates battery health, starting current capability, alternator output, and charging behavior, providing a full view of your vehicle’s electrical condition.

This tool works with liquid‑filled, AGM, AGM screw‑type, GEL, and EFB batteries ranging from 5–3000 CCA. It measures SOH, SOC, voltage, internal resistance, and additional parameters that help you pinpoint issues before they become serious. Real‑time waveform analysis makes it easier to track subtle voltage fluctuations.

Wide compatibility ensures it can serve cars, trucks, motorcycles, RVs, boats, and more. It supports multiple international testing standards and offers twelve language options, making it suitable for both professional technicians and everyday vehicle owners.

The rugged housing, reinforced ABS body, and advanced clip design improve safety while protecting both the user and equipment. A high‑contrast 2.8‑inch color screen keeps results easy to read in any workshop environment.

Equip yourself with a reliable diagnostic tool and keep every vehicle in peak condition with the BT911.