The ESM-48100B1 is a new intelligent energy storage unit developed by Huawei. The intelligent unit can work with the Huawei telecom power system to implement multiple intelligent features and anti-theft functions. It can also connect to the NetEco by IoT gateway to implement multiple intelligent features through cloud-lithium collaboration, helping customers maximize the value of site-based energy storage. The unit features different charging voltages adaptability, fast charging and long service life. It can be directly connected to lead-acid battery strings in parallel to reuse batteries.