Meta Description: Solar-powered brackish water desalination unit producing 5,000 liters of clean drinking water per day. Off-grid RO with battery storage, plug-and-play, zero fuel cost. Suggested URL: /products/solar-desalination-unit-bw5 Wherever the grid doesn't reach, clean drinking water shouldn't be a luxury. The SunPure BW-5 is a fully self-contained, solar-powered reverse osmosis system that turns brackish groundwater — up to 6,000 ppm TDS — into safe drinking water,