EcoFlow Solar Power Hat, Solar Charging Bucket Fishing Hat

Yes, it can be replaced as long as the diameter of the string is around 5 mm. You can refer to the quick guide for replacement instructions.

Under certain conditions, this is normal. For the hat to effectively charge your phone, the required light intensity needs to be at least 300-400W/m2 (between 9 AlM and 3 PM, on lightly cloudy or slightly hazy days with direct sunlight). If the light conditions are lower than this (on heavily cloudy days, rainy days, or in shaded areas), the phone will show thatit is charging, but the charging power will be less than the power consumption, resulting in thephone's battery level decreasing.

Yes, it can be washed, but do not soak the hat in water or wash it in a washing machine. The IP65 protection rating does not support waterproofing for soaking. You can clean the hat by wiping it with a damp cloth or rinsing it with water while covering the rubbper plug of the junction box. During the cleaning process, avoid bending the solar chip excessiively as it may crack and affect thepower output.