supply of battery charging modulebattery charging module,battery charging module (ups) of part no. aht-asd -110 (sub part) make- advance hi-tech [ warranty period: 30 months after the date of delivery ] ] , sd-100d-24, 110v dc to 24v dc converter aht part no. aht-asd-110(part) suitable for adv ance hi-tech make automatic smoke/fire detection with alarm system in ir ac coaches to rdso specifica tion no. rdso/2008/cg-04 rev.06. [ warranty period: 30 months after the date of delivery ] ] , limiter module part no. aht-asd -110 (sub part) make advance hi-tech. [ warranty period : 30 months after the date of delivery ] ]