Grizzly ahs 18 li ion hedge trimmer stylish functional reliable with a 3 year guarantee the ahs 18 li ion battery hedge trimmer is part of the grizzly range of high quality german engineered garden power tools with grizzlys new lithium ion battery technology this robust cordless hedge trimmer performs like a similar corded model and will run for approx 50 minutes on a single charge its ultra light 18 volt battery is half the weight of a conventional battery and has no self discharge