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.
Elena Kagan appointed to the supreme court after US senate vote. Elena Kagan was confirmed by the Senate today as the new member of the nine-person supreme court, the highest judicial body in the US. Kagan becomes President Obama's second successful pick for the court after Sonia Sotomayor, and the fourth woman to sit on it in its 221-year history. The Senate divided largely on partisan lines, voting 63 to 37 in her favour, with five Republicans breaking rank and supporting her, and one Democrat in opposition.