Key features

• •Know You Battery Before Replace: Stop guessing and avoid unnecessary $300 battery replacements. BAS100 car battery tester delivers a quick and reliable check of your battery's State of Health (SOH) and State of Charge (SOC). It also runs cranking and charging system tests, helping you identify whether the issue lies in the battery, alternator, or starter—before you head to the repair shop.
• •Highly Accurate Test Results: It features high-conductivity copper clamps with non-slip coating and a strong spring to ensure a rock-solid connection. Paired with an advanced AI chip, this battery analyzer provides real-time battery analysis with up to 99.98% accuracy. Once you select the correct battery type, standard, CCA/AH rating, and confirm the temperature (above/below 0°C), this tool does the rest.
• •Reliable Built-In Protection: Safety comes first. The battery alternator tester features a rugged industrial-grade ABS housing and a built-in 4-in-1 smart protection system that guards against reverse polarity, short circuit, over-voltage, and over-current. It's also temperature-protected, so you get stable, accurate results whether it's freezing cold or blazing hot.
• •One Tool for All Your Vehicles: Test 12V and 24V batteries from 100 to 2000 CCA, including regular flooded, AGM flat/spiral, GEL, and EFB types. Compatible with major standards like CCA, BCI, CA, MCA, JIS, DIN, SAE, and more—perfect for cars, motorcycles, boats, ATVs, and light trucks. (Not compatible with 6V/8V or lithium batteries.)
• •Anyone Can Use It: Just connect the clamps to your battery and start testing. The clear LCD display and simple menu make it easy to read and understand results—even for first-time users. Whether the battery is inside the vehicle or removed, charged or completely drained, this compact handheld tester gets the job done anywhere.