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 fin e control on voltage regulation, ripple, thd and improved efficiency with re-generative feature suitable to p rovide float charging and boost charging of ni-cd batteries of 199ah/110v capacity & lead acid batteries of 75ah/110v capacity as per attached technical specification & annexure. make:-signotron / hbl / microtek / amara raja or equivalent . (unbranded item will not be accepted). note: location of supply/installation - electric loco shed, itarsi. [ warranty period: 30 months after the date of delivery ] ]