... ) 12 months warranty 19V 7.1A ac power adapter for HP PA-1131-08HC Input100—240VOverCurrent protectionYesEfficiency> 87 %Output19 V 7 ... *50*45mm Part No.: 397747-001, 397803-001 Compatible models: HP/Compaq 6050b , 6515b , 6710b , 6710s , 6715b , 6910p , 8510p , 8510w , 8710p ...