From Check Engine to Battery Life TestOne Tool Done. Stop guessing why your Check Engine Light is on or why your car wont startinstantly diagnose issues with a professional engine analyzer and a pro-grade car battery tester in one scanner. The next-gen FOXWELL NT301 Plus combines full OBD2 diagnostics with battery tests (SOH, SOC, CCA, cranking, charging), and a 36% larger 2.8" color display vs. 2.4" screens, making results easier to read. It qualifies as Climate Pledge Friendlydelivering pro-level performance while letting you make a greener choice. Check Engine Codes and Reset CEL: Quickly read and clear DTCs, reset Check Engine Light, and display live data (RPM, coolant temp, fuel trim) in text and graphs. Supports freeze frame, onboard monitoring, component tests, and ECU info. Compatible with U.S. vehicles from 1996+, European models from 2001+, and Asian cars from 2005+ via the standard 16-pin OBDII port. Tip: Properly repair all detected issues before clearing c