Go to Amazon Sites : br br BTExpert? Battery for Toshiba Satellite P745-1008X P745-S4217 P745-S4250 P745-S4320 10400mah br br Condition Brand New Color Black br Type Lithium Ion Unit Cell 12 Capacity 10400mAh Items comes with 45 days warranty br This Replacement li-ion battery is guaranteed to meet or exceed original specifications br Trademark BTExpert products are marketed exclusively by BTExpert