Lithium Battery 2.9 KW

AlphaESS M4856-P (Outdoor) is a modular lithium iron phosphate (LiFePO₄) battery designed for residential energy storage, compatible with AlphaESS Smile-B3 and Smile5 systems. It is suitable for both indoor and outdoor installations (IP65 rating for outdoor use).

Key Features:

• Battery Chemistry: Lithium Iron Phosphate (LiFePO₄, LFP)

• Total Capacity: 2.9 kWh per module

• Usable Capacity: 2.8 kWh (96% Depth of Discharge)

• Nominal Voltage: 51.2 V

• Operating Voltage Range: 48–57.6 V

• Max. Charging/Discharging Current: 56 A

• Cycle Life: 10,000 cycles*

• Parallel Expansion: 1 to 6 modules (up to 17.2 kWh total)

• Installation: Modular, plug & play, easy to expand

• Protection: IP65 (outdoor use), IP21 (indoor use)

• Operating Temperature Range: -10°C to +50°C*

• Relative Humidity: 15%–85%

• Dimensions: 610 × 220 × 305 mm (W × D × H)

• Weight: 39 kg

• Power Consumption: ≤1 W (work), ≤10 mW (sleep)

• Monitoring & Communication: CAN and RS-485 compatible; monitors system voltage, current, cell voltage, cell temperature, and PCBA temperature

• Certifications: UN38.3, IEC 62619 (cell and pack)

• Warranty: 5 years product, 10 years performance

• Applications: Solar self-consumption, backup power, load shifting, and virtual power plant (VPP) participation