I loaded the camera for an entire night. The battery held up for two cuts but experience tells me that it will take a few months to judge the quality of said battery (typically, they weaken after five or six months). As for the shoe, I will not deny that I was very skeptical when he had to use it. Indeed, the mower is provided as a single HUGE cutting shoe that is adjusted by a screen of from 3 to 21 mm. The shoe looks to me like a fragile hair (but do not expect) and many cumbersome. I am used to be my lawn with several different sized shoes. So I was slightly taken aback by this big shoe and did not dare get into degraded worthy of Franck Provost! So I mowed to 3 mm. The result is (almost) correct. However, gentlemen, you can not use this Philips mower to cool your stubble ... The machine is not accurate enough and that big bulky shoe will not do the job! Titanium blades have robust air and (almost) one pass is enough to get the desired result.