Why Buy Two Tools When One NT301 Plus Can Do Both? Upgraded from the NT301, the NT301 Plus combines an OBD2 code reader and 12V battery tester in one tool. Quick pre-drive checks engine codes, battery health, and starting or charging system issues before unexpected issues affect your drive. 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. A 2-in-1 diagnostic tool thats pays for itself after just one use
Check Battery Health Before It Interrupts Your Day Reduce no-start situations on the road and dont wait until your car wont start. This car battery tester provides a professional-grade battery health, starting power or charging system check. 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. Fully works with 12V lead-acid batteries: Flooded, AGM (flat/spiral), EFB, and GEL. Tips: Connect the battery cable firmly to the OBDII diagnostic cable to start battery check
+
+
Overview
Specs
Reviews
NT301 Plus 2-in-1 OBD2 Scanner & 12V Car Battery Tester
Learn more about the Detailed Specifications
TestABC
B1rand
FOXWELL
Plug Standards
color
orange
Additional Information
First Listed on Newegg
August 11, 2026
There are no reviews yet.
Do you own this product?
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.