Ranked 1st in our list of recommended bearing isolators and sells for $142.68 (as of 01/07/2023 14:14 PDT details ) , more than 100% of the Cole Hersee 77050 reviews are positive. With features such as battery isolatorsamps 85 of battery banks 1 of alternators 2. and cole hersee, it is indeed our top pick among bearing isolators.