About This

• Ready Before You Hit the Road - Trusted by mechanics and DIYers for over 14 years, the FOXWELL BT100 delivers instant, 99.6%-accurate readings using advanced conductance technology and a smart chip. The bright 2.4” LCD stays clear in any light, perfect for pre-trip checks, seasonal maintenance, or quick diagnostics at home - especially in winter. BT100 sets the standard for reliable 12V battery testing.
• Full Battery Insight in Seconds - Stop guessing about your battery’s condition. The BT100 car battery tester tests CCA, SOH, SOC, voltage, and internal resistance with one tool. Five expert recommendations — GOOD, GOOD-RECHARGE, CHARGE & RETEST, REPLACE, BAD CELL. This helps you understand exactly when to charge, retest, or replace to avoid roadside emergencies and costly surprises.
• Reliable Starts in Freezing Winter Conditions - Whether dealing with icy mornings, overnight temperature drops, or cold-weather battery strain, this car battery analyzer delivers stable, lab-level accuracy thanks to premium copper clamps and auto temperature compensation. Ideal for cars, SUVs, trucks, ATVs, motorcycles, RVs, boats, marines, and other 12V systems—engineered to keep you ready for winter starts and prevent cold-morning no-starts.
• Easy Operation, Fast Results - Just connect, select, and test—easy for anyone to use. Results appear instantly on the backlit LCD, readable in sunlight or low-light conditions. With a compact, pocket-size design and support for 9 languages, this battery checker is an essential tool for home garages, workshops, and emergency use during holiday travel.
• Built to Last, Backed with Care - Engineered with reverse polarity, overcurrent, and short-circuit protection, the BT100 load tester keeps every test safe. Its rugged ABS housing resists impact and corrosion, while the self-powered design requires no internal battery. The large, well-fitting connectors provide a secure, reliable grip on battery terminals for confident testing in any condition. GRS-certified for eco-friendliness and long-term use—it’s a tool built for years of reliable performance.
• Reliable Support When You Need It - Your Foxwell battery checker is backed by dependable customer support ready to assist whenever questions arise. If you need help with setup or troubleshooting, our responsive team is here to ensure a smooth experience from the moment you start using the tool.

Overview

• Brand : FOXWELL
• Power Source : Battery Powered, Instant Battery Check
• Style : ①12V/100-1100CCA Lead-acid Cell ② LCD Backlit Screen & Convenient Portability ③ 99.9% Accuracy ④ Data Review ①12V/100-1100CCA Lead-acid Cell ② LCD Backlit Screen & Convenient Portability ③ 99.9% Accuracy ④ Data Review
• Color : Black and Red
• Item Weight : 170 Grams