BYD B-BOX PREMIUM LVL 2021 15.4 + BMU
BYD B-BOX PREMIUM LVL 2021 15.4 + BMU
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BYD B-Box Premium LVL 2021 15.4 + BMU – 15.4 kWh 48V Battery system
The BYD Battery-Box Premium LVL 15.4 is a powerful 48V lithium iron phosphate (LFP) battery, designed for both residential and commercial energy storage. This flexible storage system is suitable for on-grid, backup, or fully off-grid use, and works seamlessly with both single-phase and three-phase inverters.
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Key Features
Key Features
Thanks to its integrated Battery Management Unit (BMU), the LVL can be easily expanded to meet the specific energy needs of each project. The system starts with a single BYD LVL15.4 battery with a capacity of 15.36 kWh and can be scaled up to an impressive 983 kWh by connecting up to 64 batteries in parallel. This provides maximum flexibility for both small installations and large-scale commercial applications.
The battery uses cobalt-free lithium iron phosphate (LFP) cells, ensuring maximum safety, a long lifespan, and high efficiency. Thanks to its modular and stackable design, the LVL series saves space and simplifies installation and maintenance.
TheBYD B-Box Premium LVL 15.4Delivers a total capacity of 15.36 kWh with a nominal voltage of 51.2V. The maximum output current is 250A, with a peak capacity of 375A for 5 seconds. The battery offers a continuous efficiency of ≥95% and functions reliably within a temperature range of -10°C to +50°C. The enclosure has an IP20 protection rating, and communication is via CAN or RS485.
The system is expandable up to 64 units connected in parallel for a total capacity of 983 kWh and comes with a 10-year manufacturer's warranty.
Scope of delivery:
1 x BYD Battery Box Premium LVL BMU
1 x BYD Battery Box Premium LVL 15.4
With the BYD B-Box Premium LVL 2021 15.4 + BMU, you choose a safe, scalable, and reliable energy solution that perfectly matches the requirements of modern solar energy systems and commercial energy storage projects.

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I found the best price at SmartEnergyDeals. They also arranged for an installer. I chose a 21 kW system. They were very attentive throughout the entire process, from quote to delivery, and even rescheduling the delivery date went smoothly. In short, a reliable partner for a competitive price.
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