FOXWELL BT100 Pro Car Battery Tester - Digital Marine & Boat Battery Analyzer

Foxwell Classic Edition: More Reliable Than Ever

Build Trust with Foxwell

Foxwell, with over 13 years of brand experience and 9 years of continuous upgrades, prioritizes customer trust. Our battery tester offers lab-grade precision through advanced conductance technology and a smart chip (99.6% accuracy). At a DIY-friendly price, it delivers rapid results and 5 professional recommendations (replace/charge/monitor) to prevent unnecessary battery swaps—saving over $120 annually.

Suitable for: 12V lead-acid batteries (AGM, EFB, GEL, and Regular-Flooded)

Easy to Read & Use

The large backlit LCD screen ensures clear visibility in both bright daylight and low-light conditions. With a simple 3-step process, requiring no technical skills, the tester instantly analyzes the State of Health (SOH), State of Charge (SOC), Cold Cranking Amps (CCA), and internal resistance.

3-Step Process: 1. Connect the clamps to the battery terminals. 2. Select the battery type. 3. Input the CCA/AH values.

Critical Note: Insufficient CCA can leave your engine dead in freezing weather, while abnormal internal resistance in a single battery cell may doom the entire pack to failure.

Accurate and Caring

Foxwell battery tester automotive delivers precise measurements with its upgraded intelligent chip, enhanced copper clamps (strong conductivity), and automatic temperature compensation. Ideal for 12V battery vehicles, it helps detect battery issues so you can replace it on time during the warranty period.

Suitable for: 12V ATV, Motorcycle, SUV, Light Trucks, Boat

Make the Right Decision

Say goodbye to vague ‘Good/Charge/Bad’ guesses. The automotive battery tester provides 5 expert-level diagnostic results, factoring in undercharging, poor cable connections, and hidden flaws. This slashes false alerts by 70%, saving you from costly misjudgments.

Pro Tip: When testing in-vehicle, disconnect all accessory loads, ensure the key is OFF, and close doors to eliminate interference.

Track Battery Performance & Eliminate Guesswork

The auto battery tester features robust data logging, allowing users to easily access the last test results to track changes in battery performance and detect potential issues early. Foxwell battery analyzer tester supports nine languages, ensuring clear and accurate results.

Comprehensive Safety Protection

The Foxwell BT100 Pro battery tester is equipped with reinforced, smoke-free, and spark-free copper clamps, providing reverse polarity, short circuit, overcurrent, and overvoltage protection to ensure the safety of both the user and the battery. The ABS housing enhances impact resistance and corrosion protection, extending the device's lifespan.

Buy With Confidence

Rest easy knowing that if you receive a damaged product, our after-sales service can quickly arrange for a replacement at no additional cost, ensuring a smooth and worry-free experience. Your satisfaction is our top priority.