How can I dispose of a rechargeable battery that has been replaced? It cannot be exchanged. Please contact BALMUDA Support for further assistance. Related articles When operating on the battery, how many hours can it be used consecutively? Can additional batteries be purchased? Can the power cord (AC adapter) that comes with the unit be replaced with an AC adapter or cord that is commercially available? Can the LED lamp be replaced after it burns out? What color will the cord be if I purchase the white lantern?