Interchangeable and modular carts

1. A mobile platform comprising:

(a) one or more platforms to support one or more cartridges;

(b) one or more compartments within the one or more platforms;

(c) one or more vertical supports connected to the one or more platforms;

(d) a plurality of wheels connected to a bottom of the one or more platforms;

(e) one or more recesses located in the one or more platforms to receive one or more support accessories;

(f) a power module mounted to one of the one or more platforms, the power module comprising a rechargeable battery, wherein the rechargeable battery is enclosed within a housing;

(g) a handle for removably attaching to a hitch of one or more additional mobile platforms so that the mobile platform moves the one or more additional mobile platforms or the one or more additional mobile platforms move the mobile platform, the handle comprising:

(i) a grip end;

(ii) a shaft extending from the grip end; and

(iii) a shaft end on an opposing end of the grip end; and

(h) an attachment bracket mounted to a side of the one or more platforms to receive the shaft end of the handle and secure the handle, wherein the attachment bracket comprises:

(i) one or more protruding portions that receive at least a portion of the shaft end of the handle; and

(ii) a lock that secures the shaft end within the one or more protruding portions, wherein the lock movably engages the shaft end so that the shaft end is removably secured to the attachment bracket; and

wherein the one or more compartments are shaped to receive the one or more cartridges so that the one or more cartridges are secured to the one or more platforms during movement.

2. The mobile platform of claim 1 , wherein the one or more platforms are connected by the one or more vertical supports to create a multi-tiered platform.

3. The mobile platform according to claim 1 , wherein the one or more support accessories are interchangeable between one or more mobile platforms;

wherein the one or more support accessories includes a light fixture comprising:

(a) a light; and

(b) an attachment shaft connected to the light; and

wherein the one or more support accessories includes a first holding device and a second holding device.

4. The mobile platform according to claim 1 , wherein the power module further comprises:

(a) a voltmeter connected to the rechargeable battery and enclosed within the housing;

(b) a voltmeter display connected to the voltmeter and secured on an outside wall of the housing to provide a user with a voltage reading; and

(c) one or more power outlets pressed into the housing and connected to the rechargeable battery.

5. The mobile platform of claim 1 , wherein the mobile platform contains one or more motors to aid in movement of the mobile platform.

6. The mobile platform of claim 1 , wherein the one or more cartridges is a bin or a bucket used to transport cargo and materials.

7. The mobile platform according to claim 4 , wherein the power module contains an inverter.

8. The mobile platform according to claim 1 , wherein the one or more support accessories and the one or more cartridges are interchangeable.

9. The mobile platform according to claim 8 , wherein the one or more support accessories may assist in performing electrical work, plumbing, automobile maintenance, painting, general construction work, or a combination thereof.

10. The mobile platform according to claim 9 , wherein the one or more support accessories are a fan, pipe holder, work light, rack, or a combination thereof.

11. The mobile platform according to claim 1 , wherein the one or more protruding portions form a U-shaped channel that receives the shaft end of the handle.

12. The mobile platform according to claim 1 , wherein once the handle is secured to the attachment bracket, the handle has a range of motion relative to the attachment bracket of at least 210 degrees.

13. A mobile platform comprising:

(a) a bottom platform;

(b) one or more vertical supports;

(c) a top platform connected to and spaced apart from the bottom platform by the one or more vertical supports;

(d) a plurality of wheels connected to the bottom platform;

(e) one or more support accessories secured in one or more recesses in the top platform;

(f) one or more compartments within the top platform shaped to receive and secure one or more cartridges during movement;

(g) a handle for removably attaching to a hitch of one or more additional mobile platforms, the handle comprising:

(i) a grip end;

(ii) a shaft extending from the grip end; and

(iii) a shaft end on an opposing end of the grip end;

(h) an attachment bracket mounted to a side of the top platform to receive the shaft end of the handle and secure the handle, wherein the attachment bracket comprises:

(i) one or more protruding portions that receive at least a portion of the shaft end of the handle; and

(ii) a lock that secures the shaft end within the one or more protruding portions, wherein the lock movably engages the shaft end so that the shaft end is removably secured to the attachment bracket;

(i) a power module attached to the bottom surface of the top platform comprising:

(i) a housing;

(ii) a rechargeable battery enclosed within the housing;

(iii) a voltmeter connected to the rechargeable battery and enclosed within the housing;

(vii) a voltmeter display connected to the voltmeter and secured on an outside wall of the housing to provide a user with a voltage reading; and

(viii) one or more power outlets pressed into the housing and connected to the rechargeable battery; and

(j) a seat removably secured to the top surface of the top platform, the seat comprising:

(i) a pad located on a top surface of the seat;

(ii) an attachment surface on a bottom surface of the seat; and

(iii) one or more attachment hooks protruding from the attachment surface, the one or more attachment hooks for fastening the seat to the top surface of the top platform to prevent unwanted movement of the seat relative to the mobile platform during use.

14. The mobile platform according to claim 13 , wherein the one or more support accessories and the one or more cartridges are interchangeable.

15. The mobile platform according to claim 1 , wherein the mobile platform further comprises a seat having a pad disposed on the one of the one or more platforms.

16. The mobile platform according to claim 15 , wherein the pad is secured with attachment hooks to maintain a position of the pad.