Energy is Life our aim to provide people light to enjoy life.About UPS: UPS is typically used to protect computers, data centres, telecommunication equipment or other electrical equipment where an unexpected power disruption could cause injuries, fatalities, serious business disruption or data loss. UPS units range in size from units designed to protect a single computer without a video monitor (around 200 VA rating) to large units powering entire data centers or buildings mostly peoples use it in there houses when the light is gone and its successfully works load shading no matter use Sigma Power UPS .