Referred is the product of 10 years of product life. But there are only 10 year warranty on the battery. On the device, there are only 5 years warranty. Since the battery but belongs to the machine ........ The battery is not replaceable by the way. this means: Who wants to have no problems with the fire insurance can throw the smoke detector after 5 years on the electronic waste.
Last but not least you get from the dealer the invoice is not included, which is notwenidig for warranty cases. When asked what's the point, you will be dismissed in the response with a smiley face. No Apology. Nothing. The product description is also determined not updated with the actual data.
My advice: Stay away from this dubious profiteering