Exxact Parts SolutionsNew Laptop Battery for HP ProBook 5310m,5320m 4 Cell 14.8V 2800mAh Battery Type: Li-Polymer; Capacity: 2800mAh; Cells: 4-cell; Voltage: 14.8V Battery built by highest quality materials including grade-A brand-new cellswhich ensures fast charging and low power consumption Battery meets and exceeds OEM specifications and lasts longer hours Battery package includes: One brand-new generic replacement battery for HP Battery offered in this listing is CE & RoHS certified, so you can shop with a peace of mind