Amazon.com : STK LP-E8 Battery for Canon Rebel T5i, T3i, T2i, T4i, EOS 700D, 600D, 650D, 550D, Kiss X5, X4, Kiss X6 DSLR Cameras and Canon BG-E8 Grips : Digital Camera Batteries :
Replacement For Canon EOS REBEL T3i 1120mAh Camera Battery LP-E8 - Walmart.com
BM Premium 2-Pack of LP-E8 Batteries and Battery Charger for Canon EOS Rebel T2i, T3i, T4i, T5i, EOS 550D, EOS 600D, EOS 650D, EOS 700D Cameras - Walmart.com
Canon EOS Rebel T3i Battery Replacement - iFixit Repair Guide
Vello BG-C5 Battery Grip for Canon EOS T4i, T3i & T2i BG-C5 B&H
Amazon.com: FirstPower 2 Pack LP-E8 Batteries Compatible with Canon EOS Rebel T5i, T4i, T3i, T2i, EOS 550D, 600D, 650D, 700D, Kiss X4, Kiss X5, Kiss X6, LC-E8E : Electronics