Amazon.com : STK LP-E6 Battery for Canon 5D Mark II III and IV, 70D, 5Ds, 6D, 5Ds, 80D, 7D, 60D, 5Ds R DSLR Cameras BG-E14, BG-E13, BG-E11, BG-E9, BG-E7, BG-E6 Grips :
BCI Group 4D and 8D Batteries - Features and Specifications
Exell Battery Alkaline 206a Microphone Batteries in the Device Replacement Batteries department at Lowes.com