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All Journal JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN
Carlo, Antonio
Unknown Affiliation
Education Mechanical Engineering Social Sciences

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EXPERIMENTAL STUDY ON THE EFFECT OF PV TILT ANGLE ON MINI SOLAR POWER BANK PERFORMANCE Kolala, Putra Andi; Afisna, Lathifa Putri; Wibowo, Wuwuh Saminto; Putra, Aditya Septian; Carlo, Antonio; Pambayun, Fajar Bagas; Huda, Fajar Nur
Jurnal Dinamika Vokasional Teknik Mesin Vol. 11 No. 1 (2026)
Publisher : Department of Mechanical Engineering Education

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Abstract

Solar panels are devices designed to convert solar energy into electrical energy through the photovoltaic (PV) effect, offering a sustainable solution for portable power needs. This study investigates the effect of solar panel tilt angles on the performance of a mini solar cell power bank in Institut Teknologi Sumatera, South Lampung, Indonesia. A 2.5 W monocrystalline silicon panel was tested at tilt angles of 15°, 30°, and 45°. Data on current, voltage, temperature, and power were collected at 30-minute intervals from 09:00 to 15:00 WIB over three separate clear-sky measurement days. The results indicate that the 15° tilt angle produced the highest average current (38.39 mA), voltage (4.08 V), and power (0.162 W). The estimated charging time for a 3000 mAh battery was 93.77 hours (15°), 116.13 hours (30°), and 138.04 hours (45°). The 15° tilt is the optimal configuration for portable solar power banks in this tropical region.
Co-Authors Fajar Nur Huda Lathifa Putri Afisna Pambayun, Fajar Bagas Putra Andi Kolala Putra, Aditya Septian Wibowo, Wuwuh Saminto