The Promed 155020 electric nail file Feeling with battery (approx 610 g) I bought for the trip in order to save weight. The Promed 143220 Electric Nail File Ultra Pro S I 5 * rated was too heavy for me with 1000 g. See:; ASIN = B002C73VQE On the performance of the Ultra S RRO it does not come close, but the performance is for my needs nails and corneal edit perfectly adequate. Strong buy recommendation. After the first charge, I have worked for 30 minutes, the battery performance is satisfactory. Contrary to the information in the manual, the nail file also runs with power cord. In the Amazon description says: Practical travel case included, motor for battery and mains operation, 7 accessories included! Unfortunately, no travel case and only 5 components was included! The seller's Clinic Care answer: "Dear sir ... we have already sent you the right and originally packed items. The description on Amazon comes as the manufacturer promed directly. We will forward your concerns forward directly there and ask for an opinion. We will then immediately after receiving notification give, what the manufacturer has to say about it. " The seller Clinic Care has proven accommodating and credited me 20.