FOXWELL NT301 Plus 2-in-1 OBD2 Scanner & 12V Car Battery Tester

Same with NT301. Extra Battery Test — Upgraded from the NT301, the NT301 Plus code reader reads and clears engine codes just as fast as the classic you trust. But now, it also checks your 12V battery health. Think of the extra cost as cheap insurance against the high tow truck bill. As one user put it: “It paid for itself the first time I plugged it in.” With a 36% larger 2.8” color display (vs. 2.4”), it delivers clearer results every time. Ideal for DIYers, car owners, home mechanics, used car inspection and anyone who wants to diagnose car issues with confidence before making a costly shop visit
Check Engine Light on? — Plug it in and the 2.8″ color screen shows you the code and exactly what it means—no mechanic-speak, no decoding. You’ll know what you’re dealing with before you enter into a repair shop with this code reader for cars and trucks. Access live data like RPM, coolant temp, and fuel trim to pinpoint the problem. Saved money from taking it to the shop and spending over hundreds to figure out the reason. Pro Tip: You should fix the car issue before clearing the codes
Check Battery Health You Didn’t Know You Needed — Don’t wait until your car won’t start. Taking few mintues to check battery health (SOH, SOC, cranking/starting power & charging system). Works with 12V lead-acid batteries: Flooded, AGM (flat/spiral), EFB, and GEL. This car battery tester will test your battery before daily commuting, road trips, after a jump-start, new battery keeps dying or vehicle sitting for weeks. Know whether to recharge, replace, or keep using your battery to avoid unnecessary battery replacement. Knowledge is power—and in this case, it’s also a working car. Tips: Connect the battery cable firmly to the OBDII diagnostic cable to start battery check
See What Your Engine IS Doing — This car diagnostics scanner monitors real-time engine parameters to catch intermittent issues: RPM, sensor outputs, fuel trim, and more. The obd scanner supports data recording, playback, and PC printing of diagnostic reports—ideal for professional repairs faster and easier
Know Your S-m-o-g Status & Find EVAP Leaks — Whether you’re buying used, chasing a stubborn check engine light, or just want to be sure you’ll pass your next s-m-o-g check—this car scanner diagnostic tool scan gives you answers in minutes. Run the I/M readiness test, check for stored codes the seller didn’t mention, and test battery health. Some of you used it on a car was about to buy, saw a stored code, and passed. That kind of information pays for itself. Also works for EVAP leak detection—loose gas cap or cracked hose, you’ll know before the shop tells you
Broad Compatibility with No Subscription, No APP — This engine code reader works with 1996+ U.S. vehicles, 2001+ European models, and 2005+ Asian cars via the standard 16-pin OBDII port, like Cars, Pickups, Motorcycles, ATVs & More OBD2 diagnostics. While it covers most makes/models, please note that it NOT fit for PRE-1996 vehicles or Fiat/ALFA/Lancia, or some models of the French PEUGEOT, Citroen, South Korea Ssangyong, Russia Lada, VAZ, UAZ, GAZ. Special protocols may need an extra connector cable, please confirm before purchase
Improtant Notes: FOXWELL NT301 Plus is an odb2 scanner for engine & 12V battery diagnostics only. It does not support ABS, SRS, transmission, key programming, oil reset, or battery registration. Not compatible with tire sensors or airbag codes. Works with 12 V batteries only, no load test, and no built-in battery. Fix car issues before clearing codes. Windows-only updates (not Mac/iOS)