HP AC DC 90W Power Supply Adapter Charger PPP012L-E Laptop PC Computer +UK Lead
90W 19.5V - 4.62A. Large Barrel (7.4mm x 5.0mm): Features a large round tip with a visible pin inside. This is common on older EliteBooks and ProBooks. HP Part Number. Large Barrel connector with centre pin and black tip (7.4mm x 5.0mm).