Amazon.com: New Replacement Battery 4450mAh SP3379D1H, T4450E for Samsung SM -T310, SM-T311, SM-T315 Galaxy Tab 3 8.0 Tablets with Installation Tools Sold by Toopower : Cell Phones & Accessories
Samsung Galaxy Tab 3 8.0 / SM-T310 / SM-T311 / SM-T315 Tablet and E Reader Battery at Batteries Plus
Amazon.com: NewPower99 Battery Kit for Samsung Galaxy Tab 3 8.0 SM-T310, SM- T311, SM-T315 with Tools, Video Instructions, Long Life Battery : Electronics