It controls wheel spin by optimizing the power distribution between wheels with traction, so there's no loss of power — just better traction and control. (alfaromeo.ca)
Quadra - Drive II Active Full - Time Four - Wheel Drive Jeep's most advanced four - wheel - drive technology, Quadra - Drive II uses front and rear Electronic Slip Differentials (ELSDs) to transfer up to all available torque to any individual wheel with traction. (kbb.com)
When slippage is detected, 100 percent of the power can be sent to an individual wheel with traction. (articles.orlandosentinel.com)