The presented battery is in a reasonable price range and in line with expectations. Look on Youtube instruction video and there you go. Personally, I would not spend 70 euros for a battery change. Furthermore bothers me much this policy the one suggested that it would be better to buy a new device to invest as 6.70 euros and some craft skill. It really is very ecologically dispose of the old device because the official battery replacement is simply rip off. Why does not a company like TomTom on the idea to design a device which every user can easily replace the battery myself? Answer would be clear to everyone. Meanwhile, everything is excited What is so unökölogisch. But that every year tons of small appliances scrap arises because even the vulnerability battery can not replace (mostly) seems even our dear Greens not to be interested. So who does not want to do with this nonsense can be accessed here and receive a fully functional again Navi. Tip: Throw the stupid security screws which are indeed a watchmakers screwdriver rausbekommt in the bin. Worried you for the next potential intervention or cross-head screws with the masses:. 2.5mm x 6mm Cost of shipping for 25.Stück around 3.00 euros.