“Application of Averrhoa Blimbi, L and Activated Carbon to Measure the Characteristics of No-Load Output Voltage, Output Voltage With LED Load and LED Voltage Drop”. 2025. ENERGY: JURNAL ILMIAH ILMU-ILMU TEKNIK 15 (1): 77-88. https://doi.org/10.51747/energy.v15i1.1517.