Go to Amazon Sites : br br UBatteries Laptop Battery Compaq Persario CQ61-313US - 12 Cell 8800mAh (With External Charge br br UBatteries Li-Ion Replacement Laptop Battery Grade A Cell br Type 12 Cell Lithium-Ion With external Charge Port Voltage 108V Capacity 8800mAh Rating 96Whr br CE ROHS Certified br One Year Warranty 30 Days Return