Subramaniam V, Md Nor Ramdon Bin Baharom. Design and Development of a Solar and Hand-Cranked Dynamo-Based with Battery Storage for Low Power Device Charging. peat [Internet]. 2026 May 19 [cited 2026 Jul. 23];7(1):249-57. Available from: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/23103