Iskandar, H. R., C. B. Elysees, R. Ridwanulloh, A. Charisma, and H. Yuliana. “ANALISIS PERFORMA BATERAI JENIS VALVE REGULATED LEAD ACID PADA PLTS OFF-GRID 1 KWP”. Jurnal Teknologi, vol. 13, no. 2, July 2021, pp. 129-40, doi:10.24853/jurtek.13.2.129-140.