We focus on providing high quality batteries and related accessories. This New Battery for HP/Compaq ProBook 621 HSTNN-I85C-3 321 421 320 Laptpop is designed for long-lasting and stable performance. It provides a one-year warranty and has passed CE / RoHS / ISO9001 safety certification. Round-sealed package ,faster delivery and thoughtful after-sales service will make you feel assured to purchase.

Specifications

Dimensions	(10.55 x 1.69 x 1.42)" / (26.8 x 4.3 x 3.6)cm (L x W x H)
Weight	18.31oz / 519g
Battery Color	Black
Capacity	4400mAh
Battery Voltage	10.8V
Cell	6 Cell
Compatible Models	HP ProBook 4320s 4321s 4325s 4520s 4525s

NOTE: Please, make sure this product fits exactly your original HP/Compaq model before making a purchase.