Hello There, The delivery took place in the specified time frame (4 working days). After unpacking, I tried to charge the battery pack. Sorry, there was not. I thought maybe the device loads yes only empty batteries. So my battery made empty and tried to load. Same result. The unit was defective in the same delivery. Return / refund was no problem. But there the 2.ten star. Now, although I have my money back, but unfortunately still no functioning charger. Too Bad ...