BYD Premium HVS 2.56 kWh Battery – 12911241-00

Expand your energy storage system with the BYD Battery-Box Premium HVS 2.56kWh high-voltage LFP module. This modular unit delivers 2.56kWh of usable energy with 96% efficiency, designed for parallel integration to scale capacity as needed. Featuring IP55 protection and ground-mounted installation, it’s built for durability and seamless compatibility with high-voltage inverters.
Key Features

2.56kWh usable energy – Zero degradation between nominal and usable capacity

High-voltage LFP technology – Enhanced safety, longevity, and efficiency

Modular parallel expansion – Scale system capacity seamlessly

IP55 protection – Dust-tight and water-jet resistant for robust performance

96% efficiency – Minimizes energy loss during charge/discharge cycles

CAN/RS485 communication – Compatible with major high-voltage inverters

Compact and stackable – Space-efficient design for flexible installation

Specifications

Battery Type: DC High Voltage LFP (Lithium Iron Phosphate)
Total Nominal Energy: 2.56 kWh
Usable Energy: 2.56 kWh
Nominal Capacity: 25.0 Ah
Efficiency: 96%
Communication: CAN (Inverter), RS485 (Inverter)
Protection Rating: IP55
Dimensions: 58.5 × 29.8 × 23.3 cm
Weight: 38.7 kg
Installation: Ground mounted
Scalability: Modular, parallel capable

Applications

Residential and commercial solar storage systems
Backup power solutions
Off-grid and hybrid energy installations
Peak shaving and load management

Ideal for scalable energy growth – Whether starting small or expanding an existing system, this module offers reliability, safety, and high performance. Integrates effortlessly with BYD’s Battery-Box Premium series and compatible high-voltage inverters