supply of battery charging and discharging panel.battery charging and discharging panel.,battery charging and discharging panel: supply and commissioning of digital signal processi ng (dsp) controlled igbt based ac to dc rectification (converter) with active power factor correction with fi ne control on voltage regulation, ripple, thd and improved efficiency with re-generative feature suitable to provide float charging and boost charging of ni-cd batteries of 199 ah/110v capacity & lead acid batteries of 75 ah/110v capacity as per scr els/kzj/specification no. c/e.els/kzj/spec/06 copy attached. make: sig notron/hbl/microtek/amarraja. [ warranty period: 30 months after the date of delivery ] ]