Samsung Galaxy Tab A 9.7 T550 T555 T555C P550 P555C P555N. Samsung Galaxy Tab A 9.7 SM-T550 SM-T555 SM-T555C SM-P550 SM-P555 SM-P555Y. Product Type:100% High Quality Battery. Battery Type: Li-ion. Li-Ion Laptop Battery 10.8V and 11.1V are in common use.