This package contains all the necessary components for a lithium battery system. This system is tuned to loads or inverters up to 750 W. For a short time a load up to 1,2 kW is possible (about 10 minutes). The inrush current must not exceed 250 A/ 3 kW (10 ms)! The set also includes our greenView for visualizing the LiPros and as a battery monitor with current-based SOC calculation!