28.8V 4000mAh 18650 Solar Energy Storage Lithium Battery – High-capacity deep cycle battery ideal for solar power systems and backup energy solutions. Built with premium 18650 cells in 5S2P configuration, it delivers reliable performance, long cycle life, and excellent thermal stability. Features overcharge, over-discharge, short circuit, and overcurrent protection for safe operation in residential, commercial, and off-grid applications. Perfect for renewable energy storage and UPS systems.More
