There’s no official definition of a mini chainsaw, and no universal dividing line between them and their standard-size counterparts. Cutting PowerNearly all mini chainsaws are powered by rechargeable lithium-ion batteries, typically ranging from 18 to 24 volts. WeightCompared to their larger counterparts, all mini chainsaws are light. Quality-of-Life FeaturesMany mini chainsaws include convenience-oriented features that make them easier to use and maintain. SafetyOperating a mini chainsaw is every bit as dangerous as using any other chainsaw, so safety features are important.