A real assessment can give use maybe after one year. Only then shows whether it was a good buy. So far, anyway, I'm very zufrieden.Akkulaufzeit is just fine for about 8 hours, but what is the situation in six months? only a statement of Wert.solange is must I made no reply bleiben.Nachtrag: Now 8 weeks have passed since the purchase, 2 batteries, I can now already throw the first battery in the garbage, total failure, so hands off!