Solar Bottle Lamp

Solar Bottle Lamp is a solar-powered light that is constructed from waste plastic bottles. The design idea is to reuse waste plastic bottles by attaching a 3D printed solar lamp in place of their old plastic cap. It can be fitted into almost all soft drinks bottles.

Solar Bottle Lamp can be used to provide lighting in rural areas. These lights are surprisingly bright, illuminating your campsite, backyard, pathways, or even your home in the case of a power outage.

Update on 05.04.2022:
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I have added enclosure files for TP4056 based PCB. The two new files are

1. Main_Body_TP4056
2. Top_Cover_TP4056


Instructables: https://www.instructables.com/DIY-Solar-Bottle-Lamp/