We focus on providing high quality batteries and related accessories. This New Battery for HP 4421S 4421 4420S 4426S 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

Product Type	Replacement Battery
Cell Type	Li-ion
Cells	6
Battery Number	6-cell
Battery Voltage	10.8V
Capacity	4400 mAh
Battery Color	Black
Compatible Part Number	HSTNN-CB1A HSTNN-IB1A HSTNN-LB1A HSTNN-UB1A HSTNN-CB18 HSTNN-Q78C-3 HSTNN-Q78C-4 HSTNN-Q81C HSTNN-I85C-4 HSTNN-I86C-3 HSTNN-I86C-4 HSTNN-I86C-5 HSTNN-W79C-5 HSTNN-W79C-7 HSTNN-W80C
Compatible Models	HP CQ321 CQ325 CQ326 4321 HP 4321S 4320S 4325S 4326S HP 4426S 4420S 4421 4421S HP 4520S 4525S CQ320 421

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