Stihl HSA 50 20" Cordless Hedge Trimmer KITHSA 50 Cordless Hedge Trimmer with 1x AK 10 battery and AL 101 charger: AK System hedge trimmer with 50 cm 20" blade length The HSA 50 is a battery powered hedge trimmer designed for trimming bushes, shrubs, and medium sized hedges. Its incredibly lightweight and easy to use and has an ergonomically shaped control and loop handle, which makes it comfortable to use when maintaining hedges at home. Its quiet too, thanks to the 36 V lithium ion battery