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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W15-E5 Home Energy Storage System
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W15-5A (Residential LFP Battery Series)
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
W20-E5
Nominal Voltage
51.2V
Rated Capacity
400Ah
Operating Voltage
44.8~56.16V
Dimension(L x W x D)
Cell Technology
Cycle Life
~525×917×246 mm
Lithium Iron Phosphate
8,000 cycles @ 70%DOD，25°C/0.5C
Operating Temperature
-20°C ~ 60°C
IP Rating
IP 20
Communication Interfaces
RS232 / CAN / RS485
FEATURES
Multi-Scenario Adaptability
Supports wall-mounted/floor-standing installation, optional mobile storage with wheels, and IP20 for all-weather use
Long Lifespan & High Safety
Uses A+ LFP cells, has built-in hot aerosol fire extinguisher, and 8,000 cycles (70% DOD, 25°C/0.5C)
Low Maintenance
Firmware update via BLE; check status and configure BMS remotely
Flexible & Expandable
Up to 20 units in parallel, max system capacity 409.6kWh
Intelligent Control
BMS optimizes performance in real time; remote control via app for home energy tracking
Emergency Practicality
Easy to install, space-saving; acts as emergency power for home appliances
Compatible List of inverters Brands
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