Smart jumper cables have a built in unit that will notify you if the cables are connected improperly.
Smart jumper cables review.
Topdc smart jumper cables 4 gauge 20 feet heavy duty booster cables with reverse hook up and alternator indicator battery condition tester 4awg x 20ft 4 8 out of 5 stars 61 23 99 23.
Read honest and unbiased product reviews from our users.
This unit is often referred to as the reverse polarity indicator and chimes with a beep.
Read honest and unbiased product reviews from our users.
That s where michelin smart jumper cables come in.