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DIY plug-in solar power kits, which allow users to generate and use solar energy by connecting directly to home wall outlets, are gaining momentum in the US as companies like EcoFlow release weatherproof, battery-integrated systems aimed at simplifying home solar adoption. The trend reflects growing consumer interest in low-effort, modular renewable energy solutions that don't require professional installation. EcoFlow has expanded its home energy lineup with a fourth-generation River series of portable power stations, including the River 260 Gen4 and 520 Gen4, which pack 256Wh and 512Wh of battery capacity respectively—roughly 2.5x and 5x the energy of the largest airline-approved power banks. The compact, high-capacity units underscore the company's push to make portable and plug-in solar-compatible power more accessible for everyday consumers.