How long does the WHEELTOP 7800 battery last, and how do I charge it?

The WHEELTOP 7800 features an OX2.0 user-replaceable battery that provides approximately 24,000 shifts per charge (~60+ hours of typical riding). Charging uses a proprietary magnetic charging cable (attach the magnetic tip to the derailleur port), with a full charge taking approximately 2 hours—the battery can be swapped out in seconds using a 2mm hex key.