Nurhaida, Susanti, I., Volta, Y.A. and Muzakki, M.H. 2024. Battery Analysis in Off Grid Solar Power Plant as A Power Source for AC Motor Automatic Coffee Roaster Machine Capacity 20 Kg. International Journal of Research in Vocational Studies (IJRVOCAS). 4, 2 (Aug. 2024), 16–22. DOI:https://doi.org/10.53893/ijrvocas.v4i2.258.