The W20-E5 is a solar lithium battery for home use. Its intelligent Battery Management System (BMS) can monitor and optimize battery performance in real – time, extend its service life, and enable remote control via a mobile app, making it convenient for you to track your home’s energy situation. It is easy to install, and the wall – mounted design saves space. In case of an emergency, it can serve as a power bank to supply power to home appliances, adapting to various scenarios。
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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W20-E5 Home Energy Storage System
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W15-5A (Residential LFP Battery Series)
The W20-E5 is a solar lithium battery for home use. Its intelligent Battery Management System (BMS) can monitor and optimize battery performance in real – time, extend its service life, and enable remote control via a mobile app, making it convenient for you to track your home’s energy situation. It is easy to install, and the wall – mounted design saves space. In case of an emergency, it can serve as a power bank to supply power to home appliances, adapting to various scenarios。
Model
W5-E5
Nominal Voltage
51.2V
Rated Capacity
100Ah
Operating Voltage
44.8~56.16V
Dimension(L x W x D)
Cell Technology
Cycle Life
~500×494×145 mm
Lithium Iron Phosphate
6,000 cycles @ 80%DOD，25°C/0.5C
Operating Temperature
-20°C ~ 60°C
IP Rating
IP 20
Communication Interfaces
RS232 / CAN / RS485
FEATURES
Long Lifespan & High Safety
Uses A+ grade LFP cells, with long cycle life and high safety.
Low Maintenance & Convenience
Supports BLE firmware update; monitors status and configures BMS in real time.
Flexible Expandability
Up to 20 units in parallel, max system capacity 102.4kWh.
Multi-Mode Compatibility
Works with different inverters; supports hybrid grid-tied/off-grid modes.
High Conversion Efficiency
99% efficiency at 25°C/0.5C, good charge-discharge performance.
Authoritative Certifications
Certified by CE, UN38.3, MSDS; meets safety/quality standards.
Compatible List of inverters Brands
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