A 1) It would be ideal to place the solar panel under direct sunlight and away from any kind of shade.
2) If possible, the solar panel should be placed away from over-hanging trees and other hindrances.
3) Charge the lamp for a minimum of 5-7 hours initially for best results.
4) Keep the solar panel away from other artificial lights as the sensor may not be able to differentiate day from dusk to night.