This document is a BYD Battery-Box Premium operating manual.
This document provides detailed instructions for installing, commissioning, and maintaining the BYD Battery-Box Premium LVL 15.4, a 48V Li-ion battery storage system for residential and small business use. It includes safety warnings, electrical connection guidelines, troubleshooting, and disposal procedures. The manual is intended for qualified personnel with knowledge of batteries, inverters, and electrical safety standards. It also specifies technical data such as voltage, current, dimensions, and certifications.
| Number of Modules | 2 |
|---|---|
| Usable Energy | 15.36 kWh |
| Max Cont. Output Current | 250 A |
| Peak Output Current | 375 A, 5 s |
| Dimensions (H/W/D) | 500 x 575 x 650 mm |
| Weight | 164 kg |
| Nominal Voltage | 51.2 V |
| Operating Voltage | 40-57.6 V |
| Operating Temperature | -10°C to +50 °C |
| Battery Cell Technology | Lithium Iron Phosphate (cobalt-free) |
| Communication | CAN/RS485 |
| Enclosure Protection Rating | IP20 |
| Round-trip Efficiency | ≥95% |
| Scalability | Max. 64 in Parallel (983 kWh) |
| Certification | IEC62619 / CE / CEC / UN38.3 |
| Max Cont. Input Power | 13.5 kW |
| Max Cont. Input Current | 250 A |
| Max Cont. Output Power | 13.5 kW |
It is for residential and small business use with a photovoltaic system, operating in off-grid or on-grid mode with compatible inverters. It must be used as stationary equipment and only indoors.
The maximum continuous output current is 250 A, and the peak output current is 375 A for 5 seconds.