How much does this cost to the nearest dollar?

Juicebox LP-E6 Style Power Coupler (Dummy Battery) for Canon Cameras
The Juicebox Little Dummy LP-E6 style power coupler connects internally to Canon 7D Mark II, 7D, Canon 5D Mark II, Mark III, Mark IV, 5DS, 5DS R, 60D, 60Da, 70D, 80D, 6D and 6D Mark II cameras in place of the internal LP-E6 battery. The Little Dummy enables compatible Canon DSLR's to be powered via external battery or AC adapter, allowing for hours of uninterrupted camera usage. The Little Dummy is recommended for use with the Juicebox DSLR Power external battery, which also includes the compatible AC adapter and will power any DSLR camera

Price is $20.00

Price: $19.99