How much does this cost to the nearest dollar?

DSTE Replacement for Pro BG-E21 Vertical Battery Grip + 2X LP-E6 Compatible Canon EOS 6D Mark II Digital Camera as LP-E6
*In the Box 1x DSTE Brand BG-E21 Battery Grip 1x Battery Holder for two Li-ion Battery 2x DSTE Brand LP-E6 Battery 1x User manual Two years warranty * Work For EOS 6D Mark II SLR Digital Camera A firm, comfortable grip for vertical-position shooting with the Camera. Buttons and controls are conveniently placed and easy to reach for greater comfort Holds two Li-ion batteries for extended shooting Li-ion Battery Info DC 8.4V (max); DC 7.2V (mean) When using two batteries, the grip will automatically switch to the second battery if

Price is $55.00
Price: $54.99