Guava is the fourth most important fruit in terms of area and production after banana, mango and citrus. The traditional harvesting method (manual picking) of guava fruit is a labour intensive, tedious, time consuming as well as risk involved process. Therefore, it was necessary to develop a device that should be simple, motor operated, easy to assemble and disassemble, low cost and light in weight with a proper balance. Considering these facts, a battery powered harvesting device with rotating circular serrated blade cutting mechanism was developed and compared with the traditional...