CONSTRUCTION AND OPERATION OF A SOLAR BASED LAPTOP POWER BANK
Abstract
ABSTRACT
Solar rechargeable power packs are increasing significantly to extend the operating duration of portable electronic gadgets and laptops which are part of modern life. The in-built battery in the laptop can provide power for a few hours and then dries out with time.
Therefore, the external charger is required to extend the operation of electronic devices e.g. mobile phones. This project presents the design, construction and analysis of solar- based power banks for laptops or any brand. The system was constructed using available components, it comprises of charge controller which monitors the changing rate of the lithium battery (3.2V each with 4 arrayed in the system) arranged in the system with a Battery Management (BMS), Photo-switch incorporated in the charge controller which manages the energy by switching off the system even, Boost converter helps the boosting of energy when higher power is required in charging a system. It has a 50W solar cell (photovoltaic) and a system power of 78w/n which can conveniently charge any laptop full twice and can as well be charged using a power supply to all available systems.
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