Concorde Battery Corporation is a leading manufacturer of high-quality lead-acid batteries for various industries. Their subsidiary brand, Sun Xtender, provides reliable and long-lasting energy storage solutions for solar energy consumers. Sun Xtender batteries are designed to withstand harsh environmental conditions, have a long cycle life, and require no maintenance. Their valve-regulated design minimizes the risk of gas emissions, making them a safe and cost-effective option for solar energy storage. Overall, Sun Xtender provides a sustainable and dependable solution for solar energy consumers in need of energy storage.