HP F1072-60901 - AC adapter - 100-240VAC input, requires separate AC power cord - 21VDC output - (F1072A) Retail
HP 512852-001 - AC Smart adapter (30-watt) - Requires separate 3-wire power cord with C5 connector Retail
HP 693706-001 - 230W 19.5V 11.8A 5mm Tip AC Adapter Charger for HP Elitebook Touchsmart Zbook Series Sale $69.00 Retail $89.00