supply of battery charging and discharging.battery charging and discharging., battery charging and discharging panel: supply and commissioning of digital signal processing ( dsp ) controlled igbt based ac to dc rectification ( converter ) with active power factor correction with fine 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 batteries of 75 ah / 110 v capacity. as per els / kzj no. c / e / els / kzj / spec / 06. [ warranty period: 30 months after the date of delivery ]