The W15-E5 is a comprehensive home wall-mounted solar lithium battery. It features built-in high-quality, high-capacity LiFePO4 batteries, ensuring a long system lifespan for the battery. The independently designed Battery Management System (BMS) has been verified to be compatible with inverters from different brands,supporting hybrid grid-tied and off-grid operation modes.
SMILE5 Series system is the bestseller of AlphaESS. It is available for DC-coupling, AC-coupling and hybrid-coupling connection and working with multiple battery options including 2.9kWh, 5.7kWh, 10.1kWh and 13.3kWh battery module. With VPP value stacked, it would be the best choice for householders.
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W32-E5 Home Energy Storage System
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W20-E5 Home Energy Storage System
The W15-E5 is a comprehensive home wall-mounted solar lithium battery. It features built-in high-quality, high-capacity LiFePO4 batteries, ensuring a long system lifespan for the battery. The independently designed Battery Management System (BMS) has been verified to be compatible with inverters from different brands,supporting hybrid grid-tied and off-grid operation modes.
Model
W15-E5
Nominal Voltage
51.2V
Rated Capacity
280Ah
Operating Voltage
44.8~57.6V
Dimension(L x W x D)
Cell Technology
Cycle Life
~771×441×243 mm
Lithium Iron Phosphate
8,000 cycles @ 80%DOD，25°C/0.5C
Operating Temperature
-20°C ~ 60°C
IP Rating
IP 20
Communication Interfaces
RS232 / CAN / RS485
FEATURES
Multi-Scenario Application
Supports wall-mounted fixed storage; optional detachable wheels enable mobile storage.
Long Lifespan & High Safety
Uses A+ grade LiFePO₄ cells; certified by UN38.3, MSDS and Marine Report.
High Expandability
Up to 20 units in parallel; max parallel system capacity 286.72kWh.
All-Weather Usability
IP20 rating; suitable for indoor or outdoor eaves installation.
Low Maintenance & Convenient Management
Built-in BLE for firmware update, status check and BMS configuration.
High Energy Efficiency
99% charge-discharge efficiency (25°C/0.5C); max continuous current 200A.
Compatible List of inverters Brands
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