These Mac Books have been tested and in very good working conditions, they all come with power adapters. Below is their serial numbers as well as circle count.<div>1. C02RW2N8FVH8 - CC-264</div><div>2. C02SC3MRFVH8 - CC-469</div><div>3. C02S50A8FVH8 - CC-337</div>