It really depends on the specific lithium chemistry, and whether you're trying to operate in the 100% charge range or using a PSOC regime that stops at 80-95% capacity. If the latter then you'll see fast charging with a stop while still at relatively high current
, if the latter there is a tail just as with LA, although generally much shorter.
The GoalZero is Li-NMC, a "typical" full charge profile looks like this:
Most users on CF deal with LiFePO4
chemistries and most subscribe to the "don't get to 100% regularly" charging regime.