NeweggBusiness - Joy Systems NE4-0287 Laptop Battery for HP EliteBook 6930p/ 8440p/8440w and Compaq 6530b/6535b/6730b/6735b and ProBook 6440b/6450b/6540b/6550b - HSTNN-UB69
For HP EliteBook 6930p 8440p 8440w 6730b 6535b KU531AA 482962-001 9 Cell Battery | eBay
Battery for HP Compaq 6530B 6535b 6730b EliteBook 6930P 8440P ProBook 6450b | eBay