Pastron Simanjorang, Winfronstein Naibaho, Tambos Augus Sianturi, Azarya.n.j. Siahaan and Jhon Sufriadi Purba 2026. Analysis of The Optimal Charging System on A Plant Sprayer Using A 100 Watt Capacity Solar Panels. International Journal of Technology and Education Research. 4, 03 (Jul. 2026), 456-475. DOI:https://doi.org/10.63922/ijeter.v4i03.4906.