The EEL 48V DIY battery box contains all the necessary components, including the housing, the smart inverter BMS, and the connection parts such as the copper flexible busbar. Using a 48V battery kit with 16 lithium iron phosphate battery cells, you can easily assemble a 48V home solar battery. Whether you plan to use it to build a complete off-grid system or use it as a backup power source, it is a good choice.