Tripp lite provides powerverter, dc-to-ac inverters /batteries in india. This functions as an alternative to power supplies[aps] and consider to be a practical solutions for all backup applications requiring 750 watts [1250 va] to 3600 watts [6000 va] of power.Powerverter inverter/chargers gives automatic line to-battery transfer and an advanced three-stage charging system to serve as an extended-run ups system, a power source or an automotive inverter. These provide ac power to equipment while utility power is available and simultaneously charge an array of user-supplied batteries. When utility power is unavailable during power failures on the road or at remote job sites, the inverters/chargers provide connected equipment with ac power inverted from battery reserves.