The BTS 5K-BDU is a module that controls the operation of the BTS 5K battery high-voltage sets. The module and batteries are used to create modern and smart BTS E5-E20 power units with useful power from 5 to 20 kWh. BTS E5-E20 power packs are kits consisting of 1-4 high-voltage batteries, depending on requirements, manufactured using LiFePo4 technology. They were intended to be used as energy storage at home. They are compact and easy to use. They are compatible with Sofar, HYD and ME hybrid converters. BTS power banks are a great solution for self-consumption.