Type: Li-Ion, Voltage:11.1V Capacity:4400mAh;6 cells • 1 year replacement warranty. • High capacity battery certified by CE and RoHS, This battery was tested and proven to match and/or exceed original specifications of Gateway products • Replacement For: Gateway squ-715 squ-720 w35044lb w35044lb-sp w35044lb-sy w35052lb w35052lb-sy