supply of 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/110 v capacity and lead acid batteri es of 75 ah/110 v capacity. as per scr els/kzj specifications no. c/e.els/kzj/spec/06 copy attached make : signotron/hbl/microtek/amarraja or equivalent. [ warranty period: 30 months after the date of delivery ] ]