Blue, 11.1V, 6600mAh, Li-ion Battery fits Acer, Aspire One 531, Aspire One 751, 73.26WhBattery Fits Models: Aspire One 531, Aspire One 751, Aspire One 751 bk23, Aspire One 751 bk23f, Aspire One 751 bk26, Aspire One 751 bk26f, Aspire One 751 bw23, Aspire One 751 bw23f, Aspire One 751 bw26, Aspire One 751 bw26f, Aspire One 751h 1021, Aspire One 751h 1061, Aspire One 751h 1080, Aspire One 751h 1145, Aspire One 751h 1153, Aspire One 751h 1170, Aspire One 751h 1192, Aspire One 751h 1196, Aspire One 751h 1211, Aspire One 751h 1259, Aspire One