Deye SUN-12K-SG05LP3-EU-SM2 Three-phase hybrid inverter 12KW

The Deye SE-G5.1Pro-B is a powerful battery module with 5.12 kWh storage capacity based on safe lithium iron phosphate technology (LiFePO₄). With its modular design, support for high-current applications and its flexibility in installation, it is the ideal solution for modern energy storage systems in private and commercial settings.Highlights at a glanceSafe & durable: Cobalt-free LiFePO₄ cells with intelligent BMS Modular and scalable: Up to 64 modules – max. 327 kWh storage capacity High compatibility: Suitable for wall mounting, floor mounting & 19" rack Easy maintenance: Automatic networking, remote monitoring & USB firmware updates Reliable operation: IP20, natural cooling, wide temperature range down to -20 °CCompact, scalable & intelligently networkedWith a single capacity of 5.12 kWh, the Deye SE-G5.1Pro-B is ideal for smaller storage solutions or as a module in large modular storage systems. Thanks to the possibility to connect up to 64 units in parallel, a maximum total capacity of 327 kWh is possible. Perfect for applications with increasing energy needs. Automatic network addressing as well as support for firmware updates via USB or remote access make commissioning and maintenance much easier.Flexible to mount – space-saving & installation-friendlyThanks to three mounting options, rack mounting (19 inch), wall mounting or floor installation, the module can be optimally positioned in almost any environment. With its compact form of only 133 mm height, it saves valuable space in technical rooms or living areas.Who is the Deye SE-G5.1Pro-B suitable for?Private households looking for a safe and future-proof storage system Commercial enterprises requiring scalable storage solutions for self-consumption or backup System integrators & installers who value easy integration and low maintenance  Sustainability-orientated users who rely on environmentally friendly storage technology ModelDEYSE-G5.1 Pro-B Battery typeLiFePO4 Module capacity (kWh)5.12 Module nominal voltage (V)51.2 Module capacity (Ah)100 System nominal voltage (V)51.2 System operating voltage (V)43.2-57.6 System capacity (kWh)5.12 System usable capacity (kWh)4.6 Charge/discharge current (A) - Recommendation50 Charge/discharge current (A) - Nominal value100 Charge/discharge current (A) - Peak discharge (2 min,25°C)150 Operating temperature (°C)Charge: 0 ~ 55 / Discharge: -20 ~ 60 LCD displaySOC%, Power, Total Voltage Communication portCAN2.0, RS485 Humidity5% ~ 90% Altitude≤2000m IP protection class of the housingIP65 Storage temperature (°C)0 ~ 35 Dimensions (W/D/H, mm)440 * 133 * 540 Weight (kg)45 Installation locationFloor mounting, rack mounting Recommended depth of discharge90% Cycle lifetime25 ± 2°C, 0.5C/0.5C, EOL70% ≥ 6000 Warranty10 years CertificationsUN38.3, IEC62619, CE,UK, VDE2510-50, CEI 0-21, FCC, UL1973, UL9540A  FAQs about the Deye SE-G5.1Pro-B battery storage unitHow much energy is actually usable?One module delivers 5.12 kWh gross capacity, of which around 4.6 kWh is usable at 90% depth of discharge, particularly suitable for private and commercial applications.What voltage and currents apply per module?The module operates at 51.2 V nominal voltage and 100 Ah capacity. The continuous current is 50 A, with up to 150 A possible for 10 seconds at peak.How many modules can be combined?In the IP20 version, up to 64 modules can be connected in parallel, giving a total capacity of over 327 kWh. For home use: six modules per stack, i.e. 30.7 kWh per unit.How long does the module last?The cells achieve over 6,000 cycles at 90 % DoD, with a residual capacity of at least 70 % at the end of life, so they are designed for long-term use.Which Deye inverters is the system compatible with?The battery is officially released for all three-phase hybrid inverters of the SUN-xK-HP3 and SUN-xK-BM series, fully plug-&-play enabled without additional modifications. Scope of delivery Deye SE-G5.1Pro-B rack battery module (5.12 kWh): Module typeThis is a single, flexible low-voltage battery module for installation in 19-inch racks, for wall mounting or floor mounting.1 x Deye SE-G5.1Pro-B battery module (5.12 kWh)The central storage unit with 5.12 kWh (100 Ah) in rack format, including an intelligent, integrated battery management system (BMS).1 x set of mounting handles / rack earsHandles for easier handling and for attaching the module in a 19-inch rack.1 x set of battery connection cables (plus & minus)A pair of pre-assembled high-performance cables for connecting the module (or the battery stack) to a compatible hybrid inverter.1 x communication cable (CAN/RS485)A data cable for communication between the battery module and the inverter.1 x parallel connection cable (power & communication)Short cables to connect the power and data bus of this module to another module.1 x earthing cableA protective conductor cable for proper earthing of the housing.1 x operating and installation manualA printed manual that describes the various installation methods (rack, wall, stack).2 x wall bracketsFor wall mounting of the battery pack 4 x feetFor stacking and securing the battery

The Deye AI-W5.1-B energy storage system with 10.24 kWh capacity offers a powerful, safe, and future-proof solution for the efficient use of renewable energy. Thanks to its modular, stackable design, the system is suitable for both residential and commercial applications. With robust LiFePO₄ technology, wireless plug-&-play installation, and intelligent control, the storage ensures maximum flexibility and long-term reliability.Highlights at a glance10.24 kWh nominal capacity, of which 9.2 kWh is usable (2 modules at 5.12 kWh, 90 % DoD) Wireless, plug-in stack mounting without screws or cabling Cobalt-free LiFePO₄ cells, ≥ 6000 charge cycles (EOL 70 %) IP65 protection, natural convection cooling, -20 °C to +55 °C operating temperature Auto-networking, remote monitoring, firmware upgradesCompact. Flexible. Safe.The Deye AI-W5.1-B is designed to grow with your energy needs. The system can be expanded in stacks up to 6 modules (30.72 kWh) and can be connected in up to 6 clusters in parallel, for a total capacity of up to 184 kWh. The smart plug-&-play connection makes installation quick, safe, and cost-efficient with no external cables or screws needed.Intelligent energy managementEach module is equipped with a high-precision battery management system (BMS) that intelligently controls charge and discharge processes, protects cells, and maximises lifespan. Remote monitoring, automatic addressing, and wireless communication ensure simple system integration and high transparency during operation.Robust technology for all conditionsThanks to its IP65-certified housing, the storage is protected against dust and water jets and is suitable for interiors such as basements, technical rooms, and protected outdoor areas. Operation is possible at temperatures from -20 °C to +55 °C. The wireless design with natural convection cooling makes the storage silent, maintenance-free, and durable.Who is the Deye AI-W5.1-B storage suitable for?This battery system is ideal for: Households seeking to efficiently store surplus solar energy Businesses aiming to shave peak loads or operate off-grid Installers wishing to offer a modular, easily expandable storage system Hybrid or off-grid applications where reliable power supply is critical Sustainability-minded users that value pollutant-free, long-lasting technology ModelDEYAI-W10.2-B Battery typeLiFePO4 Module capacity (kWh)5.12 Module nominal voltage (V)51.2 Module capacity (Ah)100 System nominal voltage (V)51.2 System operating voltage (V)44.8-57.6 System capacity (kWh)10.24 System usable capacity (kWh)9.2 Charge/discharge current (A) - recommendation100 Charge/discharge current (A) - nominal value200 Charge/discharge current (A) - peak discharge (2 min,25°C)270 Operating temperature (°C)Charge: 0 ~ 55 / Discharge: -20 ~ 60 LCD displaySOC%, Power, Total Voltage Communication connectionCAN2.0, RS485 Humidity5% ~ 90% Altitude≤2000m IP protection rating of housingIP65 Storage temperature (°C)0 ~ 35 Dimensions (W/D/H, mm)720 * 255 * 831 Weight (kg)127.5 Installation locationFloor mounting Recommended depth of discharge90% Cycle life25 ± 2°C, 0.5C/0.5C, EOL70% ≥ 6000 Warranty10 years CertificationsCE/IEC62619 /VDE2510-50/ UL1973/UL9540A/UN38.3  FAQs about the Deye AI-W5.1-B battery storageCan I later expand the storage to 15 or 30 kWh?Yes, up to six modules can be combined per stack for a total capacity of 30.7 kWh per stack. By parallel connecting up to six stacks, flexible scaling to significantly higher capacities is possible.How many cycles does the battery last?According to the data sheet, the storage achieves over 6,000 charge cycles at 90 % depth of discharge (DoD). This makes the system suitable for long-term use with consistently high performance and reliability.Which inverters is the 10 kWh package compatible with?The system is officially certified for three-phase Deye hybrid inverters of the SUN-xK-HP3 and SUN-xK-BM series. The communication and operating parameters are factory aligned. "Plug-&-Play" operation is possible without further configuration.Can I operate the storage with other inverters?There is no official approval for other inverters by Deye. Use with third-party devices is at your own risk and without any guarantee of function.Does the battery need to be fully charged before its first use?Yes, the manual recommends an initial 100 % charge to ensure correct synchronisation of the state of charge (SoC). If this step is skipped, the SoC values may deviate and the capacity display may be inaccurate. Scope of supply Deye AI-W5.1-B Modular Low Voltage Battery System (10.24 kWh): System compositionThis product is a set and consists of three separate main components forming a 10.24 kWh tower system.Component 1: Deye AI-W5.1-B-BMS (control unit & base)The central control unit (BMS cluster) that manages the entire system. This unit forms the base of the battery tower.Component 2 & 3: Two Deye AI-W5.1-BATT battery modules (5.12 kWh each)Two pure battery modules each with 5.12 kWh, to be stacked on the BMS unit.1 x set of battery connection cables (plus & minus)A pair of heavy-duty cables to connect the BMS unit to an external hybrid inverter.1 x communication cable (CAN/RS485)A data cable for communication between the BMS and the inverter.1 x connecting bridge / parallel connection cableShort, robust cables or a fixed bridge to connect the two battery modules together.1 x grounding cableA protective conductor cable for proper grounding of the BMS unit.1 x mounting accessories (tower mounting)Includes screws or locking devices for securely connecting the three components into a tower.1 x operating and installation manualA printed manual describing the installation of the entire tower system.

The Deye AI-W5.1-B in the 20 kWh version is a powerful, pluggable and modularly expandable energy storage system for reliable use in private as well as commercial PV systems. With a capacity of 20.48 kWh, robust housing and modern battery management system, this storage system offers a long-lasting, flexible and safe solution for maximising the self-consumption rate.Highlights at a glanceHigh storage capacity: 20.48 kWh for large energy requirements Powerful charge/discharge current: Up to 250 A for fast energy transfer Low-voltage battery system: 51.2 V voltage for increased safety Simple integration: Plug-in design for effortless installation Modular & scalable: Expandable according to individual requirements Robust housing: Long service life and protection for a wide range of application environmentsEfficient energy storage for modern requirementsWith a storage capacity of 20.48 kWh, the Deye AI-W5.1-B is ideal for households with high energy demands or commercial enterprises. The powerful 250 A charge/discharge current enables a fast response time to load changes and ensures the availability of stored energy, even for short-term demand.Flexible & scalable useThe modular design and plug-in system make the Deye AI-W5.1-B particularly easy to install. It can be flexibly integrated into existing solar systems and can be easily expanded as energy needs increase without extensive system modifications.Robust design for long-lasting useWith a sturdy housing, high-quality workmanship and reliable battery management system, the energy storage system offers protection and performance at the same time. With dimensions of 1422 mm in height and over 230 kg in weight, it is designed for permanent and safe installation.Who is the Deye AI-W5.1-B 20 kWh battery storage system suitable for?This storage system is ideal for: Homeowners with high energy consumption Commercial enterprises with a need for energy management & self-sufficiency Installers who rely on modular storage solutions System operators focused on optimising self-consumption  ModelDEYAI-W20.4-B Battery typeLiFePO4 Module capacity (kWh)5.12 Module nominal voltage (V)51.2 Module capacity (Ah)100 System nominal voltage (V)51.2 System operating voltage (V)44.8-57.6 System capacity (kWh)20.48 System usable capacity (kWh)18.4 Charge/discharge current (A) - recommendation200 Charge/discharge current (A) - nominal value250 Charge/discharge current (A) - peak discharge (2 min,25°C)360 Operating temperature (°C)Charge: 0 ~ 55 / Discharge: -20 ~ 60 LCD displaySOC%, Power, Total Voltage Communication interfaceCAN2.0, RS485 Humidity5% ~ 90% Altitude≤2000m Enclosure IP protection classIP65 Storage temperature (°C)0 ~ 35 Dimensions (W/D/H, mm)720 * 255 * 1412 Weight (kg)233.5 Installation locationFloor mounting Recommended depth of discharge90% Cycle life25 ± 2°C, 0.5C/0.5C, EOL70% ≥ 6000 Warranty10 years CertificationsCE/IEC62619 /VDE2510-50/ UL1973/UL9540A/UN38.3  FAQs on the 20 kWh Deye AI-W5.1-B energy storage systemCan the system be expanded to 25–30 kWh at a later date?Yes, up to six modules are possible per tower, resulting in a maximum capacity of 30.7 kWh per stack. By paralleling up to six towers, the system can be flexibly expanded to a total capacity of over 180 kWh.How much energy is actually available?A system with four modules offers 20.48 kWh gross capacity. At a recommended depth of discharge of 90 %, around 18.4 kWh of usable energy is available, ideal for demanding self-consumption and backup applications.Which inverters are compatible with the “Plug-&-Play” system?The storage is fully tuned to three-phase Deye hybrid inverters of the SUN-xK-HP3 and SUN-xK-BM series. The connection is made without additional configuration. All relevant communication protocols are integrated at the factory.Do I need active cooling?No, the system uses purely passive convection for heat dissipation. According to the manual, only free airflow behind the housing is required to ensure reliable heat dissipation. Fans or external cooling systems are not necessary.Does the battery need to be fully charged before first use?Yes, the system should be charged once to 100 % before commissioning. This initial charge ensures that the state of charge (SoC) is correctly recognised and prevents incorrect displays or abrupt SoC jumps during operation. Scope of delivery Deye AI-W5.1-B Modular battery system (20.48 kWh): System compositionThis product is a set and consists of five separate main components, which together make a 20.48 kWh tower system.Component 1: Deye AI-W5.1-B-BMS (control unit & base)The central control unit (BMS cluster), which manages the entire system. This unit forms the base of the battery tower.Components 2, 3, 4 & 5: Four Deye AI-W5.1-BATT battery modules (5.12 kWh each)Four pure battery modules each with 5.12 kWh, which are stacked onto the BMS unit and each other.1 x set of battery connection cables (plus & minus)A pair of high performance cables to connect the BMS unit to an external hybrid inverter.1 x communication cable (CAN/RS485)A data cable for communication between the BMS and the inverter.3 x connection bridge / parallel connection cableShort, robust cables or solid bridges to connect the four battery modules with each other.1 x earthing cableA protective earth cable for the proper earthing of the BMS unit.1 x mounting accessories (tower mounting)Includes screws or locking elements to securely connect the five components to a tower.1 x operating and installation manualA printed manual that describes the installation of the entire tower system.