Deye Residential ESS Solution refers to the residential Energy Storage System (ESS) . These solutions are designed to help homeowners store and manage solar energy efficiently, reduce electricity bills, and enhance energy independence.

Features and Benefits:

• Self-consumption optimization – use solar power during the day and stored energy at night.
• Backup power – supports off-grid operation during outages.
• High efficiency – up to 98.5% inverter efficiency.
• Modular scalability – tailor storage capacity to specific household needs.
• Smart monitoring – mobile and web platforms for real-time data tracking.
• Time-of-Use (TOU) support – store energy when it’s cheap, use when it’s expensive.

Why Choose Spring SE?

• Cost-efficient LFP: Safe cobalt-free chemistry, long lifespan, lower cost than high-voltage alternatives
• DIY-friendly scalability: Expand capacity simply by adding more packs in parallel

• Ideal for homes: Balanced features, performance, and compatibility with residential hybrid inverter setups
  

Deye’s residential ESS typically combines:

• Deye SE-G5.1 Pro-B LFP Battery，Built-in BMS
• SOL-ARK 12K/15K-2P Hybrid Inverter

Deye SE-G5.1 Pro-B 5.12kWh LFP Battery

The Deye SE-G5.1 Pro-B is a cutting-edge lithium iron phosphate (LFP) battery designed for safe, reliable, and flexible energy storage solutions. This modular battery system is perfect for both residential and commercial applications, allowing you to increase your self-consumption ratio and optimize your energy usage.

Key Features and Benefits:

1. Safer: Our cobalt-free LFP battery offers enhanced safety and a long lifespan, with high efficiency and power density. The intelligent Battery Management System (BMS) provides complete protection for your peace of mind.
2. Reliable: The SE-G5.1 Pro-B supports high discharge power and operates in a wide temperature range of -20°C to 55°C. With an IP20 rating and natural cooling, this battery is built to last.
3. Flexible: The modular design allows for easy expansion, with a maximum of 64 units in parallel, providing up to 327 kWh of storage capacity. This flexibility makes it ideal for various applications and energy needs.
4. Convenient: The battery modules feature auto-networking for easy maintenance, and support remote monitoring and firmware upgrades via USB drive, ensuring a hassle-free experience.
5. Eco-Friendly: We use environmentally friendly materials, ensuring the entire module is non-toxic and pollution-free, promoting a greener future.
6. Three Mounting Methods: With a 19-inch standard design, the SE-G5.1 Pro-B supports rack-mounting, wall-mounting, and floor-mounting, saving valuable installation space and adapting to your specific requirements.

Technical Specifications:

• Battery Chemistry: LiFePO4
• Capacity: 100 Ah
• Nominal Voltage: 51.2 V
• Nominal Energy: 5.12 kWh
• Usable Energy: 4.6 kWh
• Dimensions: 440 x 133 x 540 mm
• Weight: Approximately 45 kg
• Warranty Period: 10 years

Datasheet:

SOL-ARK 12/15K-2P 12kW 120/240/208 48V All-In-One Pre-Wired Hybrid Solar Inverter

Sol-Ark 12K/15K-2P Pre-Wired All-In-One Hybrid Inverter System is an all-in-one system that has everything you need built-in. With a charger controller, a display with remote monitoring, and many other built-in features. This inverter is flexible, efficient, and simple to install to a Grid-tied, Off-Grid, or battery backup solar system while being able to manage power to and from Solar, Battery, Grid, Loads, and Generator. It's a great choice to simplify your installation.

Key Features: 

• Simple to install: all-in-one and with a touchscreen and friendly interface
• Grid-Tie mode: sell your power back to the grid, lower your electricity bill
• Time of use: use the battery system to minimize your grid power usage
• Meter Zero Mode: Smart meter included Zero on your electricity bill 
• Fleet management: Quickly repair or adjust any system without being on-site
• Battery Agnostic: With a wide variety of 48V batteries ( lead or Lithium )
• DC and AC Coupling

Product Specifications:

Spring SE Residential ESS Solution:

Download

Datasheet:
Residential_5kwh_Deye_SE-G5.1_Pro-B_B.pdf
SOL-ARK 12K-2P_SpecSheet
SOL-ARK 12K-Brochure
SOL-ARK 15K-2P_SpecSheet
SOL-ARK 15K-Brochure

User Manual:
Residential_5kwh_Deye_SE-G5.1_Pro-B_User_Manual.pdf
SOL-ARK 12K-2P_Manual
SOL-ARK 15K-2P_Manual

Certificate:
SOL-ARK 12K_UL1741
SOL-ARK 15K_UL1741
SOL-ARK 15K-FCC_Cert-1

Warranty
Deye SE-G5.1Pro-B Warranty

 ABOUT Deye

Ningbo Deye Technology Co., Ltd. is a large-scale manufacturing technology enterprise integrating R&D, design, production, sales, and services.Driven by innovation, with a global vision and forward-looking thinking, Deye is devoted to innovation and change following the trend of the industry, producing “intelligent, healthy, energy-saving, and environment-friendly” products.
Relying on the advantages of China’s vast market and powerful Internet technology resources, Deye has become a brand rooted in China and well-known in the world, an innovator and leader in new energy inverter technology and frequency conversion control core technology, a leading brand in the high-end environmental electrical appliance industry and a famous company in the air-conditioning heat exchanger industry.
So far, Deye has realized a layout for its diversified development drawing on the dual-core drives of its independent brand and supporting products.