Generic T4450E 4450mAh 3.8 V Battery for Samsung Galaxy Tab 3 8.0 T310 T311 Applicable Model:Samsung Galaxy Tab 3 8.0 T310 T311 Replace original battery or use as a spare to extend tablet usage. Rechargeable Li-ION 4450mAh battery. 100% working normally, brand new and high quality with best price. High recycle life,high energy density and long life battery.