OtterBox Agility Power Dock, Charcoal Grey (77-38564) The Agility Power Dock is compatible with all Agility Tablet System shells. You will need to purchase the Agility Shell that fits your device before attempting to use any of the other accessories in the Agility Tablet System. Combine with Agility Dock (sold separately) to a central charging station, with space for up to three devices Can charge a mix of Apple and Android Compatible with the Agility Tablet System folios and portfolios