230W high power output with 19.5V 11.8A steady current, meets high power needs of HP mobile workstations.; Direct replacement for HP original part 641514-001, perfect matching in parameters and performance.; Widely compatible with EliteBook 8740W, 8760W, 8770W and other high-spec HP workstation laptops.; Premium internal components ensure stable output, high efficiency and low heat during long time operation.; Built-in over voltage, over current, over heat and short circuit protection to ensure safe charging.