Average performance trimmer.The battery capacity is good .It is a very good ease of use and value for money.45 minutes to charge the battery.Life is too long trimmer.It is better than other trimmers.Philips product is very good compared to other products obiosly.Philips beard trimmer BT990 / 15 from Philips is a reliable product, and it works as it is made for. No itching, no beard hairs stretching. It has smooth skin. I will surely recommend Philips to another cheap trimmer.Easy to use., Is easy to clean. The trimmer is very good and value for money.