W20-E5 Home Energy Storage Battery

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 Battery

W15-E5 Home Energy Storage Battery
W15-E5 Home Energy Storage Battery
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W5-E5 Home Energy Storage Battery
W5-E5 Home Energy Storage Battery

W20-E5 Home Energy Storage Battery

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

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

Download File
Inquiry/Request a Quote

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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    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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