These are GDPlus GD-8017 and Solarmax SC-8105 portable solar energy kits, designed to provide power in off-grid locations or during power outages.
The kits utilize renewable solar energy for charging.
They can power low-voltage appliances such as LED lights and mobile phones.
The GD-8017 model offers up to 30 hours of lighting duration with a single LED globe.
They often include a solar panel, control unit, LED bulbs, and charging cables.
Some models also offer an AC recharge option from the electrical grid.