PolePalUSA Extreme Commercial Solar Flagpole Light with 3 Commercial Units Extreme Commercial Solar Flagpole Light comes with 3 commercial units. 3.7v 3600mAh battery that will last for many years! This is 3 of our powerful commercial solar flagpole lights. Each light gives 280 Lux and the whole unit is rated at 840 Lux of upward facing light. Each light head is an all metal construction with a large 6 volt solar panel