Jurnal Bumigora Information Technology (BITe) Vol. 5, No. 2, December 2023, Hal. 159∼170 E-SSN: 2685-4066, DOI: 10.30812/bite/v5i2.3649  159 Biomechanic-Based Design of Knee Protector Generator for Portable Electricity Generation to Support Military Operations in the Field Andik Sugiarta 1 , Kasiyanto 2 , Dekki Widiatmoko 3 , Mokhammad Syafaat 4 , Aﬁf Achmad 5 , Iqra Asif 6 1,2,3,4,5 Politeknik Angkatan Darat, Malang, Indonesia 6 Riphah International University, Pakistan andikmotto97@gmail.com 1 , kasiyanto@poltekad.ac.id 2 , dekkiwidiatmoko@poltekad.ac.id 3 , syafaatarh96@poltekad.ac.id 4 , achmadaﬁf@poltekad.ac.id 5 , iqraasif706@gmail.com 6 Article Info: Received: 11 December 2023, Revised: 30 December 2023, Accepted: 31 December 2023 Abstract- Background: In the 5.0 era which depends on electrical energy, innovation is needed to overcome the limitations of batteries in electronic devices. An innovative device has been created that uses knee joint movement to produce renewable energy. Objective: Knee movements are converted into electrical energy through a special gearbox that rotates a generator, converting the energy to a power bank as a storage medium. Methods: This study used an experimental method. Result: This research produces 5.6 Watts of power, providing an eﬀective solution for charging batteries in mobility conditions. Conclusion: By utilizing knee joint movements and biomechanical analysis, this tool can utilize diﬀerences in force, angle and speed of movement to produce the required electricity. Keywords: Biomechanic, Charging, Generator, Gearbox, Portable Corresponding Author: Kasiyanto, Weapon System Electronics Engineering Study Programme, Politeknik Angkatan Darat, Malang, Indonesia Email: kasiyanto@poltekad.ac.id How to Cite: A. Sugiarta, Kasiyanto, D. Widiatmoko, M. Syafaat, and A. Achmad, ”Biomechanic-Based Design of Knee Protector Generator for Portable Electricity Generation to Support Military Operations in the Field”, Jurnal Bumigora Information Technology (BITe), vol. 5, no. 2, pp. 159∼170, 2023. This is an open access article under the CC BY-SA license (https://creativecommons.org/licenses/by-sa/4.0/ )