This article will be divided into two parts to provide a comparative analysis of these two cooling systems in terms of lifespan, temperature control, energy consumption, design complexity, space utilization, noise, production & installation, after-sales, operation and maintenance. This article will be divided into two parts to provide a comparative analysis of these two cooling systems in terms of lifespan, temperature control, energy consumption, design complexity, space utilization, noise, production & installation, after-sales, operation and maintenance. Both options can deliver strong results for commercial solar power paired with a solar energy storage system. However, cooling changes how heat is removed, which changes thermal spread, component stress, and maintenance routines. These devices enhance energy efficiency through rational utilization and can be likened to oversized power banks. As a manufacturer of commercial energy storage batteries, GSL ENERGY. In battery energy storage system (BESS) design, thermal management is a critical factor affecting performance, lifespan, and safety. Understanding their functions, applications, and performance differences is essential for designing and selecting the right ESS solution. Lithium-ion batteries operate optimally within a narrow temperature range, typically.