PowerCool WLL010A1 is a low-voltage lithium battery energy storage system with a total energy of 10.49 kWh and usable energy of 9.97 kWh. It operates at a nominal voltage of 51.2 V DC with a rated capacity of 205 Ah. The system is floor-standing, designed for indoor installation, and features natural cooling, a metal enclosure, and IP20 protection. It includes an integrated Battery Management System (BMS) providing protection against over-current, over-voltage, short circuit, under-voltage, and over-temperature. Communication interfaces include CAN, RS485, and Wi-Fi, with support for parallel connection of up to 6 units. The product is certified to CE, UN38.3, and MSDS standards and comes with a 10-year warranty.