ProCORE Li-ion battery with high-power cells,

charge level indicator, and "Electronic Cell

Dangerous goods UN3480 (not restricted)
no. ??? in exploded drawing

+ ECP protects the battery against overload, overheating, and deep discharge.

+ COOLPACK 2.0 technology extends battery life by 135% compared to batteries
   without COOLPACK technology, thereby enabling longer runtimes.