M & L MobilesĀ® | White Battery 11.1 Volt | 4400mAh like BTY-S11 | BTY-S12 | BTY-S13 for Medion Akoya 1210 | Mini E1210 - MSI Wind U90 | U100 | U100X - Advent 4211 etc ... (Electronics)
My little laptop has had a new life; more than 3 hours on battery! I am very careful now to let discharge the battery before connecting.