This is the battery for the Samsung Galaxy Tab 3 8.0 tablet. Does your Tab 3 battery no longer hold or take a charge like when it was new? If so, no worries. This replacement battery (Li-Ion 4450 mAh) for the Samsung tablet will fix all of your problems while increasing your multimedia time (up to 11 hours) back to like when you first took your 8" Tab 3 out of the box. It is brand new, high capacity, light weight and low impedance. This battery replacement for the Samsung Galaxy Tab 3 8.0 is the perfect solution to fix a faulty battery so you can watch movies and listen to music again for extended periods of time.