Bay&nbsp;Valley&nbsp;Parts HP 587706-121 587706-241 587706-251 High&nbsp;Capacity&nbsp;Battery&nbsp;for&nbsp;HP 420 HP 421 425 4320t 620 625 ProBook 4320s 4321s 4325s 4326s 4420s [Li-ion&nbsp;6-cells&nbsp;10.8V 5200mAh] Battery Type: 6 Cells Li-ion Capacity: 10.8V 4800mAh Color: Black Weight: 13oz Using highest quality materials including grade-A brand-new cells Meets and exceeds OEM specifications and lasts longer hours Package Includes: One unit of brand-new replacement laptop battery for HP:BQ350AA,PH06 This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!!