LP-E10 Battery is NOT compatible with EOS Rebel T3i T5i T6i T6s T7i. EOS Rebel T3 ≠ T3i. The same as others.
This is the LP-E10 Lithium-Ion Battery Pack from Canon. It fits the Canon EOS Rebel T3 and T5 cameras. Small and lightweight, Lithium-ion batteries can be charged or discharged at any time without developing memory effects.