

We publish hundreds of product and service reviews to bring car enthusiasts detailed guides on automotive tools, detailing kits, car seats, pet products, and much more. Our team of product testers thoroughly researches top products, unboxes and puts our hands on each component, and tests the items on real vehicles before making recommendations to readers. Each of the inverters could handle more than charging the various devices, but we wanted to test the function for which most consumers would use each product.Įach year, we test over 350 auto products on vehicles and in our testing lab. Items we charged included a smartphone, camera batteries, and laptops. In testing each product, we used an appropriate number of devices for its power level.

We gave each power inverter a rating out of 5 stars based on these criteria. A team member tested each product on a car, noting the inverter’s design, ease of installation, and value. We started by searching Amazon for top products, looking at factors such as Prime shipping eligibility, customer ratings, Amazon superlatives, and prices.įor testing purposes, our team ordered the five power inverters that performed best in these areas. The automotive power inverters in this article underwent two rounds of reviews. Power Inverter Ratings: Our Testing Process
