2 months old. I have only installed 2 kitchens with it so it has hardly any hours on it. Comes with AC/DC adapter. I really like this saw and dont really want to part with it but I need a 12" saw for work and don't have space for both. Sells for $600 new. Read about it here: https://www.kmstools.com/metabo-hpt-36v-multivolt-10-dual-bevel-sliding-mitre-saw-with-ac-adapter.html