YAHHU Mini Chainsaw Cordless: Unleash Power, Embrace Precision ? Lightweight, Easy, Powerful, Effortless Cutting, Every Time! To do a good job, you need sharp tools at first! YAHHU chainsaw is one of the most effective and efficient cutting tools that deal with many trimming, cutting, and pruning tasks. Large chainsaws powered by petrol or electricity are usually heavy and bulky. YAHHU mini chainsaw seems small but contains massive cutting power, ideal for garden work or DIY projects.