Portable lighting system including light tower and inverter having removable battery pack

Abstract

A light tower includes a base having a plurality of wheels, an extendible mast coupled to the base, a battery pack positioned between the wheels and the extendible mast, a housing coupled to the base and having a main battery receiver and a supplemental battery receiver, a light assembly coupled to the extendible mast and electrically coupled to the battery pack, and an inverter configured to receive and convert a direct current power from the battery pack into an alternating current power. The main battery receiver defines an internal cavity having an open top side, and the supplemental battery receiver defines a slot arranged on an exterior of the housing.

What is claimed is: 
     
         1 . A light tower, comprising:
 a base including a plurality of wheels;   an extendible mast coupled to the base, wherein the extendible mast is configured to move between a lowered position and a raised position;   a battery pack including a plurality of lithium-ion battery cells, the battery pack positioned between the plurality of wheels and the extendible mast;   a housing coupled to the base and including a main battery receiver and a supplemental battery receiver, wherein the main battery receiver defines an internal cavity having an open top side, and wherein the supplemental battery receiver defines a slot arranged on an exterior of the housing;   a light assembly coupled to the extendible mast and electrically coupled to the battery pack; and   an inverter configured to receive and convert a direct current power from the battery pack into an alternating current power.   
     
     
         2 . The light tower of  claim 1 , further comprising a user device configured to display battery information to a user, wherein the battery information includes at least one of a clock time, a battery run time, a remaining battery life, a power output, an indication of low battery charge. 
     
     
         3 . The light tower of  claim 1 , wherein the light assembly includes a plurality of light emitting diodes that are electrically coupled to the battery pack. 
     
     
         4 . The light tower of  claim 3 , further comprising one or more dimming drivers coupled to the light assembly and configured to change a behavior of light emitting diodes. 
     
     
         5 . The light tower of  claim 4 , wherein the one or more dimming drivers are light emitting diode drivers. 
     
     
         6 . The light tower of  claim 1 , wherein a power supplied by the battery pack is equal to or less than 320 watts. 
     
     
         7 . The light tower of  claim 1 , further comprising a power input receptacle configured to receive a power input from a power source. 
     
     
         8 . The light tower of  claim 7 , wherein the power input receptacle is further configured to provide electricity to charge the battery pack. 
     
     
         9 . The light tower of  claim 7 , wherein the battery pack is a removable battery pack configured to be graspable and removable from the light tower. 
     
     
         10 . A light tower, comprising:
 an extendible mast;   a light assembly coupled to the extendable mast;   a base including a power input;   a portable inverter comprising a power output configured to provide power;   a battery pack coupled to the portable inverter, wherein the portable inverter is configured to be removably coupled to the base to connect the power output to the power input to provide power from the portable inverter to the light assembly; and   a stabilizer platform pivotally connected to the base, the stabilizer platform configured to pivot between a raised position and a lowered position relative to the base, wherein in the raised position, the stabilizer platform covers the power input, wherein in the lowered position, the power input is exposed and the stabilizer platform is configured to stabilize the base, and   wherein the portable inverter is supported by the stabilizer platform when the power output of the inverter is connected to the power input.   
     
     
         11 . The light tower of  claim 10 , wherein the stabilizer platform is further configured to receive and secure the inverter, wherein the inverter is configured to couple with the power input. 
     
     
         12 . The light tower of  claim 10 , further comprising at least one stabilizer leg, the at least one stabilizer leg being configured to pivot between a raised position or a lowered position relative to the base. 
     
     
         13 . The light tower of  claim 10 , further comprising a control panel including:
 a light control, the light control configured to adjust a brightness of the light assembly; and   a mast control, the mast control configured to raise and lower a height of the extendable mast within a range of heights.   
     
     
         14 . The light tower of  claim 10 , wherein the light assembly includes a plurality of light emitting diodes that are electrically coupled to the battery pack. 
     
     
         15 . The light tower of  claim 14 , further comprising a dimming driver coupled to the light assembly and configured to adjust a brightness of the plurality of light emitting diodes. 
     
     
         16 . A portable power source, comprising:
 a battery pack including a handle;   a housing including a main battery receiver and a supplemental battery receiver, wherein the main battery receiver defines an enclosed perimeter so that when the battery pack is received within the main battery receiver, sidewalls of the battery pack are covered by the enclosed perimeter and the handle is externally accessible, and wherein the supplemental battery receiver defines an open perimeter so that when the battery pack is received within the supplemental battery receiver, at least one of the sidewalls of the battery pack is externally exposed.   
     
     
         17 . The portable power source of  claim 16 , further comprising an inverter configured to receive and convert a direct current power from the battery pack into an alternating current power. 
     
     
         18 . The portable power source of  claim 16 , further comprising a user device configured to display battery information to a user, wherein the battery information includes at least one of a clock time, a battery run time, a remaining battery life, a power output, an indication of low battery charge. 
     
     
         19 . The portable power source of  claim 16 , wherein a footprint of the supplemental battery receiver is smaller than a footprint of the main battery receiver. 
     
     
         20 . The portable power source of  claim 16 , further comprising a front handle coupled to the housing.