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Yes, but only if you vote precisely at every 2.4 hrs.

irrespective of how much u vote, it will always recharge at 2% per 2.4 hrs.

Yeah, but you can make exactly 10 full 100 % votes per day only if you vote exactly every 2.4 hrs, right? :-)

yes.

Your vote value reduces by 2%, but at 50% votevalue a reduction of 2% is effectively 1% i.e. to 49%

yes, but that is already accounted for in @mightypandas table above