BoosterPack: 2 x MULTI VOLT batteries BSL36B18 (36 V/18 V – 8 Ah/4 Ah) and fast charger UC18YSL3

The intelligent electronics ensure constant communication between tool, battery, and charger to prevent overload, overheating, overcharging, or deep discharge, guaranteeing the longest possible service life of both the battery and the tool
An integrated 4-LED display shows the remaining battery charge to help avoid costly downtime during work
Integrated cooling system reduces heat generated by the battery and charger during charging
Can be used in cold environments down to -10°C