Solar Bottle Cap Lantern
Solar lantern cap for wide mouth water bottles (Nalgene, Camelbak, MSR, etc). It uses four 10mm socket cap M3 screws and the electronics from a 3 LED solar flashlight.
Solar lantern cap for wide mouth water bottles (Nalgene, Camelbak, MSR, etc). It uses four 10mm socket cap M3 screws and the electronics from a 3 LED solar flashlight.