A portable cooler includes an insulated body that defines a main interior storage space, and a lid structured to at least partially cover the main interior storage space. The lid includes an integrated blender or an integrated blender drive. Components of the blender may include a source of electrical power, an electric motor, and a blender spindle mounted through a surface of the lid and coupled to the electric motor. Other embodiments include integrated accessories, such as an integrated storage compartment, a set of wide wheels to minimize drag, an overall cooler shape that promotes ease of use over soft ground, quiet wheels, an improved drain, integrated plate and utensil storage, a telescoping handle with leverage plate, an integrated tie-down system, a unique lid system, and a system for utilizing the integrated battery for various purposes.