Compare each of the MATERIAL HANDLING products listed at this site  This site has the material handling divided into forklift truck and hand power trucks. Power conveyors are included with nine different types to select from.

In addition to the material handling listing of lift trucks, battery chargers and fuel cells are included. Both are important, because of the rapid technical advancements. This battery chargers, it is the increased interest in fast charging. For fuel cells, the availability of these for hand trucks is not well known. The press emphasizes the use of fuel cell for forklift trucks. In addition to the fuel cell logistics, this requires redesign of the truck structure.

Power conveyors are hard to find in individual sections. The emphasis is on complete system design. This is not always what the user is looking for