Diagnostics & Scanners

This Simple Tool Just Exposed Bad Car Batteries (and Good Ones)!

May 2025/22 min/14 products tested

Watch the test ↗

The verdict

  1. 1

    ANCEL

    “the Ancel is the least expensive battery tester that earned A's or passed each test in all graded categories. At a price of around $32, it would definitely be my choice.”
    Buy on Amazon ↗

Other picks

  • Best value

    ANCEL

    “If it's all about value, the Ancel is the least expensive battery tester that earned A's or passed each test in all graded categories.”
    Buy ↗
  • Also noted

    AUTOPHIX

    “The Autofix also performed well, but it's quite a bit more expensive at a price of around $48.”
    Buy ↗
  • Also noted

    TOPDON BT100

    “The Topdon BT100 also performed well, but $59 is about twice the price of the Ancel without the benefit of a noticeable performance advantage.”
    Buy ↗
  • Also noted

    FOXWELL

    “Finally, the Foxwell is the only other brand that I'd recommend. It performed well in all the testing, but it's pretty expensive at over $100.”
    Buy ↗

Everything tested 14

Links go to Todd's own Amazon listings with his affiliate tag intact — this site adds nothing and takes nothing.