Bosch powerpack frame 500 battery compatible with bosch active performance and cx line bosch powerpack frame 500 battery features 500wh 24 extra range at only 4 more weight than the powerpack 400 40 cell packs with highest energy density 190whkg at lowest weight 26kg and volume integrated battery management system ensures high mileage and long service life no memory effect and no self discharge outstanding battery efficiency the lithium ion powerpacks are proven t