CommonByte Battery [OEM] AB663450GZ for Samsung Convoy 2 u660/u640 (Bulk Packaging) Samsung Convoy sch u640 Battery - OEM Standard, Li-ION, 1300mAh (AB663450GZ, AB663450GZBSTD) Details: OEM Part Number:	AB663450GZ Other OEM Part Numbers	AB663450GZBSTD Battery Type:	LiION Battery Capacity:	1300mAh Voltage:	3.7V Weight:	26 grams Size:	53mm x 34mm Battery Thickness:	6mm Battery Color:	 Internal Battery SKU:	 BTSS-U640-MLIN21