The BYD Battery-Box LV Flex (and its sibling, the LV Flex Lite) is a high-performance, low-voltage (48V-class) Lithium Iron Phosphate (LiFePO4) battery system designed for flexible solar energy storage. It is widely used in residential, commercial, off-grid, and backup applications.
Key Specifications
The technical parameters for the standard 5.0 kWh module include:
Usable Energy: 5.0 kWh (100% Depth of Discharge)
Nominal Voltage: 51.2 V
Operating Voltage Range: 43.2 V to 57.6 V
Nominal Capacity: 100 Ah
Max Continuous Output Current: 70 A
Peak Output Current: 105 A (for 5 seconds)
Round-Trip Efficiency: ≥ 95%