Replace your Samsung GALAXY Tab 3 8.0 SM-T310, SM-T311, SM-T315 Battery or Keep an Extra Battery on hand as a backup. This kit comes with a 4400 mAh Rechargeable Lithium-Polymer Battery. Works in your Samsung GALAXY Tab 3 8.0" SM-T310, SM-T311, or SM-T315 Tablet. Simple, Easy and Inexpensive! You get a New Battery, Video Instructions, Special Tools needed for battery installation, AND You also get a full ONE YEAR warranty exclusively when you purchase our Samsung GALAXY Tab 3 8.0 SM-T310, SM-T311, SM-T315 Battery Replacement Kit. Most seller are not selling a 4400 mAh replacement battery - get the most power and longest Run Time with our NewPower99 Battery Replacement Kit! 30 Day Money Back Guaranty included.