Abstract: A power tool having multiple wireless communication states and a method of wirelessly communicating by a power tool. The power tool includes a motor, a battery pack interface that selectively receives a battery pack, a backup power source, and a wireless communication controller coupled to the backup power source and the battery pack interface. The wireless communication controller operates in a connectable state when coupled to a battery pack and transmits tool operational data to the external device and receives tool configuration data from the external device. The wireless communication controller operates in an advertisement state when the wireless communication controller is coupled to and powered by the backup power source. In the advertisement state, the wireless communication controller is configured to transmit the unique tool identifier. The external device may also display an indication of the communication state of the power tool.

Abstract: The present invention is applied to photo voltaic module enhanced light. In particular, the present invention relates to glass-glass and back contact photo photovoltaic modules with enhanced conversion efficiency in areas that are not usually active.

Abstract: The present invention relates a photovoltaic module comprising 126, 138 or 150 back-contact half-cells. In an embodiment, the half-cells are divided into 3 groups of each 2 parallel strings with each string containing ? of the total number of half-cells. The module comprises an additional row of 6 back-contact half-cells, relative to known half-cell modules.

Abstract: The present invention is applied to photo voltaic module enhanced light. In particular, the present invention relates to glass-glass and back contact photo photovoltaic modules with enhanced conversion efficiency in areas that are not usually active.