Deye 5kwh 10kwh 15kwh 20kwh Solar Battery Ai-W5.1-B-Ess 51.2V 100ah LiFePO4 Solar Battery Stackable All in One Solar Home Energy Storage Battery for System

Product Description

Deye AI-W5.1-B-ESS (EU, AU) Advanced Solar Power Storage for Home Energy Independence

The Deye AI-W5.1-B-ESS is a next-generation low-voltage residential energy storage system designed for homes, villas, small commercial buildings, and backup power applications. Equipped with high-performance LiFePO4 (Lithium Iron Phosphate) battery technology, this system provides exceptional safety, long cycle life, and reliable energy storage for solar power systems.

With its modular stackable design, intelligent Battery Management System (BMS), and seamless compatibility with Deye hybrid inverters, the AI-W5.1-B-ESS offers a flexible, efficient, and scalable solution for maximizing solar self-consumption and ensuring uninterrupted power during grid outages. The system supports up to 36 battery modules (184kWh), making it suitable for both residential and light commercial energy storage projects.

High Safety LiFePO4 Battery
Premium Lithium Iron Phosphate cells
Excellent thermal stability
Cobalt-free chemistry
Intelligent multi-level BMS protection
Safe and maintenance-free operation

Long Service Life
Over 6,000 charge/discharge cycles
Designed for more than 10 years of service life
Low capacity degradation
High round-trip efficiency

Flexible Modular Expansion
5.12kWh per battery module
Supports parallel expansion
Maximum capacity up to 184kWh
Easy capacity upgrade according to project requirements

Intelligent Battery Management System
Real-time battery monitoring
Cell balancing technology
Overcharge protection
Over-discharge protection
Over-current protection
Temperature protection
Short-circuit protection

Easy Installation
Stackable floor-mounted design
Compact footprint
Plug-and-play connection
Fast installation
Simple maintenance

Outdoor & Indoor Installation
IP65 protection rating
Dustproof and waterproof
Operating temperature:
-20°C to +55°C
Suitable for various environmental conditions
 

Specification

Battery Capacity	5.12 kWh (per module)
Battery Type	LiFePO4
Scalability	Up to 36 modules (184 kWh max)
Efficiency	97.6% (max system efficiency)
Cycling Life	≥6,000 cycles (70% EOL)
IP Rating	IP65
Operating Temperature	-20°C to +55°C
Dimensions per Module	720 × 255 × 300 mm
Weight per Module	55 kg
Certification	IEC62619, CE, VDE2510-50, UN38.3

Packing & Delivery

Certifications

Why Choose Us

As a professional supplier of renewable energy products, we provide:

Original Deye Products
Competitive Factory Pricing
Fast Delivery
Professional Export Experience
Technical Support
Complete Product Documentation
OEM & ODM Services
Reliable After-sales Service

Whether you are a distributor, wholesaler, EPC contractor, installer, or project developer, we can provide professional energy storage solutions tailored to your market requirements.

Company Profile

, established in 2016, is a preeminent energy technology enterprise. We specialize in solar panels, solar inverters, lithium batteries, solar systems, and more.Our products have been distributed in over 100 countries, earning a remarkable reputation from our loyal customers.

Additionally, our partner manufacturers are equipped with state of the art production equipment and technology, ensuring both the quality and quantity of our products in full compliance with ISO, TUV, and CE standards.All clients enjoy timely responses, professional product guidance, and excellent after sales service. We look forward to building friendly and long term relationships with partners worldwide.Let's embark together on the journey of sustainable energy innovation and development.

FAQ

Q1: What battery chemistry does the AI-W5.1-B-ESS use?
A: It uses premium LiFePO4 (Lithium Iron Phosphate) battery cells, offering superior safety, long cycle life, and excellent thermal stability.

Q2: Can the battery be expanded later?
A: Yes. The modular design allows multiple battery modules to be connected in parallel, with a maximum system capacity of up to 184kWh.

Q3: Is the battery suitable for outdoor installation?
A: Yes. With an IP65 protection rating, it can be installed both indoors and outdoors under suitable environmental conditions.

Q4: Which inverter is compatible?
A: The battery is optimized for Deye hybrid inverters and supports CAN/RS485 communication for intelligent energy management.

Q5: What applications is this battery suitable for?
A: It is ideal for residential ESS, solar energy storage, home backup power, off-grid systems, hybrid solar projects, and small commercial energy storage.