Enhanced Performance, Evolved from BT100 – The BT301 car battery rester enter into the next level with upgraded hardware and more powerful features. The 2.8″ vibrant color display ensures crystal-clear readings in any light.
Whether it’s a cold-morning start or a pre-trip check, it spots battery health issues, cranking delays, or alternator faults before you’re stranded—99.9% accuracy included. The 2.8″ color screen ensures clear results in any light, and a 6.5 ft cable lets you test from inside or outside the car.