Method for retrofitting vehicles with regenerative braking

A kit, comprising:

• a regenerative braking axel assembly;
• at least one battery pack operationally connectable to the regenerative braking axel assembly;
• an electronic controller operationally connected to the regenerative braking axel assembly and to the at least one battery pack a sensor for detecting amount of braking required and operationally connected to the electronic controller;
• and
• instructions for retrofitting an existing vehicle.

A vehicle fitted with a regenerative braking accessory, comprising:

• a vehicle,
• a regenerative braking accessory operationally connected to the vehicle and further comprising:
• an axel;
• at least one wheel operationally connected to the axel;
• at least one electromagnetic brake assembly operationally connected to the axel;
• an electric motor operationally connected to the axel;
• a battery array operationally connected to the at least one electromagnetic brake assembly and to the electric motor;
• and
• an electronic controller operationally connected to the battery array, to the at least one electromagnetic brake assembly and to the electric motor.