Exide A leader in packaged power technology, Exide Industries Limited is India’s largest storage battery company with widest range of both conventional flooded as well as latest VRLA batteries. Exide has nine factories strategically located all over India out of which 7 factories are dedicated to batteries and the other 2 factories manufacture Home UPS Systems. The latest offering from Exide that promises superior power backup at a fantastic price. With Exide Instabrite, you can be sure that there will be no shortage of power in your home.