This fully automatic 24V stairlift battery charger is designed to charge up Bruno stair lifts with peace of mind ‚plug and forget‘.It directly replaces OEM-2402 or BCR-24018 Charger.Fit Bruno SRE-2750, SRE-2110, SRE-2010, SRE-2000, SRE-1550, SRE-1540, CRE-2110 Curved, CRE-2100. Safety features including Short Circuit protection, Over Voltage protection and over charging protection. Metal heat sink, no cooling fun or turning part to make noise at night.2-year parts warranty provided against manufacturing defect.