Xtend Battery for HP ProBook 4510s 4515s 4710s 4720s — 15.6-inch Display

Xtend batteries combine Samsung’s longest-running lithium-ion battery cells with industry-leading Texas Instruments battery circuitry to deliver dependable runtime. Each unit is hand-assembled and subjected to ISO-quality inspections during production. A full 2 Year warranty is included — twice the warranty period commonly offered by original name-brand batteries.