Bosch powerpack rack type 500 battery is compatible with the bosch active performance line and cx bosch powerpack rack type 500 battery features colour platinum 500 wh battery integrated battery management system ensures high mileage and long service life no memory effect and no self discharge 25 extra range at only 4 more weight than the powerpack 400 4 cell packs with highest energy density 190whkg at lowest weight 27kg and volume outstanding battery efficien