FOXWELL BT301 Car Battery Tester 12V, Battery Load Tester 100-2000CCA Automotive Battery Tester Digital Alternator Tester Cranking Charging Checker for Car Marine Truck SUV ATV, (Upgraded BT100）
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Product details
| Management number | 211821604 | Release Date | 2026/04/06 | List Price | $36.00 | Model Number | 211821604 | ||
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- 🏆 Professional Accuracy You Can Trust — Upgraded from the trusted BT100, the FOXWELL BT301 delivers up to 99.9% accurate results using advanced conductivity testing. Customers consistently compare its performance to the diagnostic results typically provided by high-cost repair shops, helping you make confident GOOD or BAD decisions.
- All-in-One Battery, Starter & Alternator Test — One compact tool does it all. Instantly checks battery health (SOH, SOC, CCA), evaluates the cranking system, and analyzes the charging system (alternator output, loaded & no-load voltage)—saving time, money, and unnecessary replacements.
- Fast, Easy & Beginner-Friendly — No learning curve required. Simply connect the clamps and get clear GOOD / BAD results in seconds. The intuitive design makes this 12V battery tester perfect for DIYers, beginners, and professionals alike—accurate results without complicated procedures.
- Wide 12V Battery Compatibility — Accurately tests 12V flooded, AGM (flat & spiral), EFB, and GEL batteries (not for lithium). Compatible with cars, SUVs, pickup trucks, motorcycles, boats, RVs, tractors, ATVs, UTVs, lawn mowers, and other 12V vehicles. Designed for consistent performance across all climates, making it a dependable car, AGM, and marine battery analyzer.
- Large Color Display & Practical DesignFeatures a large 2.8" color screen that’s easy to read—even in dark garages. The 6.5 ft cable allows safe testing from the driver’s seat without assistance, while heavy-duty clips ensure stable connections and accurate readings.
- Reliable Diagnostics in All Seasons — Before your spring adventures, ensure your battery is ready. Cold temperatures from last winter can damage your battery, and the BT301 helps you check its condition to avoid surprises. It provides accurate diagnostics in both cold and warm temperatures, detecting potential problems before they disrupt your plans. Powered by the battery itself, it requires no external power, making it ideal for emergency checks. With a 6.5ft cable, you can easily test from your seat, ensuring peace of mind no matter the weather.
- Trusted FOXWELL Brand — With 17 years of experience in automotive diagnostics and over 12 years focused on battery testing, FOXWELL is trusted by mechanics and DIY users worldwide. Built on continuous R&D and real-world feedback, the BT301 reflects FOXWELL’s commitment to professional-grade accuracy, durability, and long-lasting performance.
| Color | Orange & Black |
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| Model | BT301 |
| Brand Name | FOXWELL |
| Style Name | Works with 2.8" color display, 6.5ft durable cable, multiple buttons & textured non-slip grip—convenient for 12V vehicle batteries: RVs, SUVs, ATVs, electric mowers, boats, motorcycles. |
| Manufacturer | FOXWELL |
| Power Source | Powered By the Battery Being Tested—no Extra Batteries Or External Connections Needed |
| Measurement Type | Voltmeter |
| Included Components | 1x FOXWELL BT301 Automotive 12V Battery Tester,1x User's Manual,1x Carrying Bag |
| Minimum Operating Voltage | 6 Volts (DC) |
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