Replacement Battery for MSI EX610X MS1613 MS1451 GT735X EX623 MS1633 EX620 GX400 EX600 MS1636 GT740 EX610 BTY-M66 SQU-528 CBPIL44 BTY-M67 906C5040F SQU-503 SQU-718 SQU-706 SQU-605 SQU-601 (4400mAh)