User's Manual Part 1

4.1.1.2. SuperM.O.L.E.® Gold 2
To charge the internal Power Pack:
1) Insert the USB computer interface cable into a computer USB port and the other
end into the Data/Charging Port.
A completely discharged Power Pack takes about 8 hours to be fully
charged. For quick charges, it can be charged for 15 minutes allowing
one 10 minute data run to be performed.
The Power Pack can be charged continuously whenever the M.O.L.E.
Profiler is not being used, however, if the M.O.L.E. profiler is going to sit
idle for five days or more, it should be removed from the charger.