According to the Walmart website, the "Panasonic Cordless Men's Wet/Dry Shaver with Pop-Up Trimmer and Automatic Self-Cleaning System" is the best consumer-rated electric shaver at Walmart. This electric shaver was rated five stars by multiple reviewers and holds the highest current rating as of January 2015.
The Panasonic Cordless Men's Shaver features four Nanotech blades with Arc Foil. This shaver also offers a pop-up trimmer and a fully lit LED screen to show battery life and other information. It offers a two-motor system for a close shave and is easy to clean due to its internal vibration system. Simply run the razor under water while it's running, and it self-cleans. The next highest-rated shaver is the "Braun Series 7 - 790cc Shaver System."