Patent ID: 11952079
Assignee: TEKTRO TECHNOLOGY CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 3:
4. The method according to claim 1, further comprising:
determining whether a remaining capacity of a second battery of a shift lever is smaller than or equal to a first lever battery threshold;
when the remaining capacity of the first battery is determined to be smaller than or equal to the first derailleur battery threshold, or the remaining capacity of the second battery is smaller than or equal to the first lever battery threshold, the at least one of the gear positions of the derailleur is invalided and non-selectable by the derailleur; and
when the remaining capacity of the first battery is larger than the first derailleur battery threshold, and the remaining capacity of the second battery is larger than the first lever battery threshold, the derailleur is shiftable among all of the gear positions.