11.1V, 4400mAh, Li-ion Battery fits Toshiba, Portege R30, Portege R300, 48.84WhBattery Fits Models: Portege R30, Portege R300, Portege R30a, Portege R30 a, Portege R30 a 10h, Portege R30 a 10r, Portege R30 a 111, Portege R30 a 112, Portege R30 a 114, Portege R30 a 11j, Portege R30 a 11k, Portege R30 a 11m, Portege R30 a 11n, Portege R30 a 11p, Portege R30 a 11q, Portege R30 a 121, Portege R30 a 129, Portege R30 a 12j, Portege R30 a 12v, Portege R30 a 130, Portege R30 a1301, Portege R30 a1302, Portege R30 a 131, Portege R30