The Design Of Smart Battery Charger With Display

Hafizul Effendi , Mahadi (2005) The Design Of Smart Battery Charger With Display. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project proposes to build a prototype of an automatic battery charger better than the battery charger in the current market. Nowadays, battery has been the most important product to be used in the portable product. The new battery needs the tickle-charge features to extend it life span. The normal chargers do not have these features. This battery charger projects have display, sensor, timer and discharging function for the NiCd (Nickel Cadmium) and the tickle charge for the NiMH (Nickel Metal Hydrate) battery. This project consists of 7 parts. There are the power supply, display, current switching, cell selector, temperature sensor, discharge switch and the charger controller. This smart charger battery is suitable for commercial use because of it low cost budget. The charger can give the battery a longer life span and prevent it from overcharging or leaking. A specific integrated circuit shall be use in the circuit as a charger controller to get the best result in the charger timing and controlling. This project is able to charge the NiCd and the NiMH battery with display to show the current charging status and have the timer to give it a longer life span battery. lt also features with the charging rate selection to suite the best result for a certain standard of batteries. The charger also is able to cut the charging time to 4 hours only.

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