Powerblade connector is a type of power distribution connector system that includes power and signal contacts to provide power distribution and power control in a single connector 
It was developed by Amphenol ICC and has three generations: PwrBlade, PwrBlade+ and PwrBlade Ultra https://www.amphenol-cs.com/pwrblade.

The latest generation, PwrBlade Ultra, is a highly configurable power & signal connector that can carry over 200A per linear inch while maintaining an ultra-low contact resistance of just 0.4mΩ
https://www.amphenol-cs.com/pwrblade.
It also features a proprietary GCS plating technology that provides ultra-low resistance and increases overall efficiency https://www.amphenol-cs.com/pwrblade.
It was released in 2018 to mark the 20th anniversary of the PwrBlade family
https://www.amphenol-cs.com/pwrblade.