FOXWELL BT100 Pro Car Battery Tester, 12V Battery Load Tester, 100-1100CCA Automotive Digital Battery Analyzer for Car Truck Motorcycle SUV Boat Marine RV & Pickup

Don’t Get Stranded by a Dead Battery – A weak battery gives no warning—until your car won’t start. The FOXWELL BT100 delivers up to 99.6% accurate results using advanced conductance technology & heavy-duty clamps, so you know your battery’s real condition before it leaves you stuck. Perfect for pre-trip checks, daily driving, and seasonal maintenance.
Know Exactly When to Recharge or Replace – Stop guessing. The BT100 car battery tester tests CCA, SOH, SOC, voltage, and internal resistance for 12V flooded, AGM, EFB, and GEL batteries (not lithium). Clear on-screen results—GOOD, RECHARGE, REPLACE, BAD CELL—tell you exactly what to do next, helping you avoid unnecessary replacements and costly breakdowns.
Ready for Cold mornings – Cold weather is when weak batteries fail most. With premium copper clamps and automatic temperature compensation, this car battery analyzer stays accurate even in freezing conditions—helping prevent winter no-start situations for cars, trucks, SUVs, motorcycles, RVs, and boats.
Simple Enough for Anyone to Use – Just connect, select, and test. Results appear instantly on the bright 2.4” backlit LCD—easy to read day or night. Compact, pocket-sized, and supporting 9 languages, the BT100 battery load tester ideal for home users, small workshops, or roadside emergencies.
Safe, Durable, and Made to Last – Designed with reverse polarity, overcurrent, and short-circuit protection, the BT100 12v battery tester keeps every test safe. Its rugged ABS housing resists impact and corrosion, while the self-powered design means no internal batteries to replace. Large, secure clamps ensure stable contact—built for years of reliable testing.
Backed by Trusted FOXWELL Support – With over 17 years of automotive diagnostic expertise, FOXWELL stands behind every BT100. If you ever need assistance, our responsive support team is ready to help—so you can buy with confidence.The cost of one roadside service call can bring you peace of mind for the entire year.