Battery Type:Li-ionVoltage: 11.4VCapacity: 3930mAh/ 48WhCI03XL Battery For HP ProBook 640 645 650 655 G2 801554-001 HSTNN-UB6Q$90.00PriceQuantity*Add to CartFITS MODELHP ProBook 640 645 650 655 G2 BRAND HPSHIPPING INFO FREE EXPRESS SHIPPINGWARRANTY 12 MONTH