The W8-5C is a next-generation wall-mounted home energy storage battery powered by advanced sodium-ion (Na-ion) technology. With 7.68kWh of usable energy and a long cycle life of over 8000 cycles, this system provides a safe, cost-effective, and maintenance-friendly solution for modern solar-powered homes.
Designed for seamless compatibility with mainstream hybrid and off-grid inverters, the W8-5C is built with BLE remote monitoring, aerosol fire suppression, and supports up to 20 units in parallel, scaling up to a massive 153.6kWh for larger energy demands.
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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Mobile Energy Storage System（LV-MAST-T12K-A ）
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W30-E5 Home Energy Storage Battery
Smart·Durable·Fire-Safe·The New Standard in Home Energy Storage
The W8-5C is a next-generation wall-mounted home energy storage battery powered by advanced sodium-ion (Na-ion) technology. With 7.68kWh of usable energy and a long cycle life of over 8000 cycles, this system provides a safe, cost-effective, and maintenance-friendly solution for modern solar-powered homes.
Designed for seamless compatibility with mainstream hybrid and off-grid inverters, the W8-5C is built with BLE remote monitoring, aerosol fire suppression, and supports up to 20 units in parallel, scaling up to a massive 153.6kWh for larger energy demands.
Model
W8-5C
Nominal Voltage
48V
Rated Capacity
160Ah
Energy
7680Wh
Cell Technology
Na-ion Battery
Cycle Life
8,000 cycles @ 80%DOD，25°C/0.5C
IP Rating
IP 65
Certifcation
UN38.3, MSDS, Marine Report, UL1973
Download File
Inquiry/Request a Quote
FEATURES
Sodium-ion Battery for Longer Life
Cutting-edge Na-ion technology offers up to 8000 cycles @ 80% DOD, delivering years of safe, stable performance
Built-in Fire Suppression for Safety
Equipped with an aerosol fire extinguishing device, enhancing safety for residential indoor environments
BLE App Control & Firmware Upgrade
Built-in Bluetooth (BLE) allows battery configuration, monitoring, and firmware upgrades via mobile app
Highly Scalable – Up to 153.6kWh
Support up to 20 battery units in parallel for large households, small commercial buildings, or EV charging stations
Wall-Mounted or Floor-Standing
Flexible installation options for compact spaces—indoors or under outdoor eaves
Multiple Certifications
Certified to UN38.3, MSDS, Marine Transport, and UL1973, ensuring safety and global compliance
Applications
Residential Solar Storage
Backup Power for Apartments or Villas
Off-grid Homes or Cabins
Why Choose W8-5C?
With sodium-ion battery safety, smart BLE functionality, and certified multi-level protection, the W8-5C wall-mounted battery is the perfect blend of innovation, safety, and flexibility. It’s a future-ready storage system tailored for energy-conscious homeowners and scalable for growing needs.
Compatible List of inverters Brands
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