Patent ID: 11894528
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 16:
17. A method for fast charging battery packs comprising:
connecting a first charging switch between a first charging terminal of a first battery pack and a first plurality of battery cells of the first battery pack, the first battery pack having a nominal capacity of up to about 27 Amp-hours (Ah);
connecting a second charging switch between a second charging terminal of a second battery pack and a second plurality of battery cells of the second battery pack, the second battery pack having a nominal capacity of between about 6 Ah and about 27 Ah;
transferring a charging current of 12 Amperes or more to the first plurality of battery cells during charging; and
transferring a charging current of 18 Amperes or more to the second plurality of battery cells during charging.