The Buffalo Tools ECSS Electric Chainsaw Sharpener, the Anytime Tools 3/16-inch Diamond Chainsaw Sharpener Burr and the Blue Max Bench Mount Electric Chainsaw Sharpener are all well reviewed. The Buffalo electric chainsaw sharpener rates with 4.4 stars out of five on Amazon.com.
The Anytime Tools sharpener is the least expensive, as of 2015, and is intended to be used with a rotary tool. Reviewers like the diamond sharpening, noting it lasts a long time. Customers also like the low price. Reviewers of the Buffalo electric sharpener like how the system is self-contained and easy to handle correctly. Some reviewers note that the directions are poor, but once learned, the machine works well.