Likewise, the MPPT varies the ratio between the voltage and current delivered to the battery, in order to deliver maximum power. If there is excess voltage available from the PV, then it converts that to additional current to the battery. Furthermore, it is like an automatic transmission.
On the Supreme Court of the United States, Associate Justices Potter Stewart and Anthony Kennedy have been described as swing votes between the two factions of the court. In the United Kingdom, the  Essex man ,  Worcester woman  and  Holby City woman  are examples of personifications of swing voters.
50% of 100 is 50. A simple majority is 50% + 1, thus the fewest yea votes required for an ordinary bill to pass the US Senate is 51.   For several months during 2009, Minnesota had only 1 Senator as Candidate Al Franken was not seated due to the close election. Therefore, the US Senate had only 99 seated Senators.