Spring SE Residential ESS Solution: Deye SE-G5.1 Pro-B 5.12kWh LFP Rack-Mounted Battery + SOL-ARK 12K/15K-2P Hybrid Inverter | 10 Years Warranty
G5.1 Pro-B
- Safety & Durability: Cobalt-free LFP offers stable chemistry and high cycle life
- Scalable Design: Stackable modularity; add packs as needed (up to ~327 kWh)
- Smart Operation: Intelligent BMS with protective features, auto-networking, and remote firmware updates.
- Flexible & Space-saving: Multiple mounting options with a slim “3U” profile
- Reliable Performance: Broad operating temperatures, natural cooling, and consistent efficiency
- 10-year warranty
SOL-ARK 12K/5K-2P
- ALL-IN-ONE: the inverter, charge controller and more included, no fuses, breakers, or combiner boxes need;
- Simple to install, lower installation cost
- Battery Agnostic: works with a wide variety 48v battery
- Certificated UL9540 with GLS Battery, Pytes, Pylontech and more
- All work mode meet your need
Grid-tie, Time of use, Meter zero
mode - Excellent service
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RWSE-G5.1 Pro- B: see the specs >
12K-2P: see the specs >
15K-2P: see the specs >
CEC Listed ->
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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
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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:
- 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.
- 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.
- 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.
- 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.
- Eco-Friendly: We use environmentally friendly materials, ensuring the entire module is non-toxic and pollution-free, promoting a greener future.
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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.
FAQ
Each battery module provides 5.12kWh of nominal capacity, with usable energy depending on system configuration and depth of discharge. It is designed for daily cycling, enabling homeowners to store excess solar energy during the day and use it at night or during peak electricity pricing periods.
The SE-G5.1 Pro-B uses LiFePO₄ (LFP) battery chemistry, which is known for its superior safety, long cycle life, and thermal stability. Compared to other lithium-ion chemistries, LFP batteries are less prone to overheating and degradation, making them a reliable choice for residential energy storage systems.
The Spring SE Residential ESS Solution is a complete home energy storage system combining a hybrid inverter with modular lithium batteries like the Deye SE-G5.1 Pro-B. It allows homeowners to store solar energy, reduce grid reliance, and maintain power during outages, making it ideal for energy independence and cost savings.
Yes, the system is highly modular. Multiple SE-G5.1 Pro-B batteries can be connected in parallel to increase total storage capacity. This flexibility allows users to start with a smaller system and expand over time as energy needs grow or as additional solar panels are installed.
The battery typically supports 6000+ charge cycles, which translates to around 10–15 years of operation under normal usage conditions. This long lifespan ensures a strong return on investment and dependable performance for daily energy storage and backup applications.
Yes, when paired with a compatible hybrid inverter, the system can provide backup power during grid outages. It automatically switches to battery power, ensuring essential appliances like lighting, refrigeration, and communication devices continue running without interruption.
The SE-G5.1 Pro-B battery is typically designed for indoor or protected outdoor installation, depending on enclosure specifications. It is commonly installed in garages, utility rooms, or sheltered outdoor areas. Proper ventilation and adherence to installation guidelines are important for optimal performance.
The battery includes an advanced Battery Management System (BMS) that monitors voltage, current, and temperature in real time. It provides protection against overcharging, deep discharge, short circuits, and overheating, ensuring safe and stable operation throughout the battery’s lifespan.
The system stores excess solar energy generated during the day and uses it during peak pricing periods or at night. This reduces reliance on the grid and helps lower electricity bills. It can also support time-of-use optimization, making it especially valuable in regions with variable electricity rates.
The Spring SE solution is optimized for Deye hybrid inverters and supports communication protocols like CAN and RS485. While integration with other systems may be possible, compatibility should be verified to ensure proper communication, performance, and warranty compliance.
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