The charging current of Huawei 48 100b 1 is only 10A.
Poor wire contact. ESM-48 100B 1 is a new lithium battery energy storage module independently developed by Huawei. The charging current is 48V 100A. If the current is only 10A, it is caused by poor contact of the electrical circuit. Multimeters can be used to test the continuity of wires one by one.