Yahaya, Y., and Hassan, N. Y. “Design, Construction and Evaluation of 5A AC-DC Portable Lead Acid Battery Charger With an Inbuilt Automatic Shut OFF”. International Journal of Science for Global Sustainability 6, no. 2 (July 27, 2020): 8. Accessed July 23, 2026. https://www.fugus-ijsgs.com.ng/index.php/ijsgs/article/view/116.