Only the low light setting works

When the lamp detects that the battery charge is running out, it goes into an energy-saving mode, limiting the light settings to the lowest option only. To access all the light settings again, recharge your lamp. The green light will start when it's charging up. When the battery is fully charged, it will show steady green. Charging with either the solar panel under the sun or a USB charger plugged into the electric grid is possible.