Battery lasts 45 minutes at simple cutting, when all branches thick cuts still 30 minutes. Noteworthy is the sword. It is very slim and light, cutting excellent, by the U-rail is not to bend, that was the main flaw in all my previous devices. The direction of rotation is awesome. The device creates everything fits between the blades. And very important for me: very quiet and after 30 minutes of continuous operation, no tingling in the hands, so well balanced. Minus: The exposed charging contacts on the battery are easily contaminated, so clean well before loading. If you can take the load time in buying ingenious device for small hedges, usable for "deep cuts": Conclusion.