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
Amazon.com: aowe Replacement Battery T4450E for Samsung Galaxy Tab 3 8.0 T310 T311 SM-T310 SM-T311 SM-T315 Series Tablet T4450C T4450U 3.8V 4450mAh with Tools : Electronics
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
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
How to Replace Your Samsung Galaxy Tab 3 8.0 SM-T310 Battery - YouTube