Indus instruments pvt.Ltd. Offers wide range of line interactive (sine wave) which provides a pure sine wave output, wide input voltage ranging from 150 to 280 ac, fast charging & longer battery life, phase synchronized transfer, zero battery drain in "off" mode etc. Its all parameters, set points are fully programmable and also has an overload / overheat protection. It consists of constant output voltage i.E. 230 v ac and its battery charger current is provided as per requirement of the clients. It also has an avr (automatic voltage regulation). These are used for various industrial applications in different industrial sectors.