Explore our range of solar battery systems to maximize energy independence and savings. Enquire now!. An ESS / solar battery system stores electricity—whether generated by solar panels, diesel generators, or the grid—so it can be used when it's most valuable: during peak demand, at night, or during outages. This gives you greater energy control, cost savings, and reliability across any site type in. . Harness the full potential of your solar system with Battery Energy Storage Systems (BESS). At Greenwatt, we offer intelligent energy storage solutions that let you store excess solar energy and use it whenever you need — day or night, peak or off-peak. Through cutting-edge research and innovation, advanced engineered power products for backup battery cabinets have become essential to our energy future. With its scalable and anti-corrosion capabilities, Delta's battery system can meet project requirements of varying scale and is suitable for various environmental conditions, making it. .