W8-5C （Wall-Mounted Sodium-ion Home Battery）

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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W8-5C （Wall-Mounted Sodium-ion Home Battery）

Mobile Energy Storage System（LV-MAST-T12K-A ）
Mobile Energy Storage System（LV-MAST-T12K-A ）
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W15-5A (Residential LFP Battery Series)
W15-5A (Residential LFP Battery Series)

W8-5C （Wall-Mounted Sodium-ion Home 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

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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.

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    FREQUENTLY ASKED
    QUESTIONS

    Q1: How safe are lithium batteries for energy storage?

    A1: Our lithium batteries are designed with multiple safety features, including overcharge protection, thermal management, and advanced battery management systems (BMS). We prioritize safety by adhering to international standards and offering IP-rated enclosures for maximum reliability and protection.

    Q2: What maintenance is required for lithium battery energy storage systems?

    A2: Lithium batteries require minimal maintenance. Routine checks of the battery management system (BMS) and ensuring proper ventilation for the system are generally sufficient. Our products are designed for easy monitoring and remote management through smart apps for added convenience.

    Q3: Can I expand the capacity of my energy storage system in the future?

    A3: Yes, our lithium energy storage systems are modular and scalable, allowing you to expand the capacity by adding additional battery modules. This flexibility ensures you can meet increasing energy demands over time without replacing the entire system.

    Q4: Are lithium batteries environmentally friendly?

    A4: Yes, lithium batteries are a sustainable option for energy storage. They are highly efficient, have a long lifespan, and can be recycled at the end of their life. Additionally, they help reduce dependence on fossil fuels by enabling renewable energy storage.

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