Deye SE-G5.1Pro-B 5.12 kWh - Flexible LiFePO₄-based battery module for residential and commercial applications
Description
Product information
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 glance
- Safe & 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 °C
Compact, scalable & intelligently networked
With 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-friendly
Thanks 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
| Model | DEYSE-G5.1 Pro-B |
| Battery type | LiFePO4 |
| 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) - Recommendation | 50 |
| Charge/discharge current (A) - Nominal value | 100 |
| Charge/discharge current (A) - Peak discharge (2 min,25°C) | 150 |
| Operating temperature (°C) | Charge: 0 ~ 55 / Discharge: -20 ~ 60 |
| LCD display | SOC%, Power, Total Voltage |
| Communication port | CAN2.0, RS485 |
| Humidity | 5% ~ 90% |
| Altitude | ≤2000m |
| IP protection class of the housing | IP65 |
| Storage temperature (°C) | 0 ~ 35 |
| Dimensions (W/D/H, mm) | 440 * 133 * 540 |
| Weight (kg) | 45 |
| Installation location | Floor mounting, rack mounting |
| Recommended depth of discharge | 90% |
| Cycle lifetime | 25 ± 2°C, 0.5C/0.5C, EOL70% ≥ 6000 |
| Warranty | 10 years |
| Certifications | UN38.3, IEC62619, CE,UK, VDE2510-50, CEI 0-21, FCC, UL1973, UL9540A |
FAQs about the Deye SE-G5.1Pro-B battery storage unit
How 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 type
- This 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 ears
- Handles 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 cable
- A protective conductor cable for proper earthing of the housing.
1 x operating and installation manual
- A printed manual that describes the various installation methods (rack, wall, stack).
2 x wall brackets
- For wall mounting of the battery pack
4 x feet
- For stacking and securing the battery
Properties
| Capacity: | 100Ah |
|---|---|
| Nominal voltage: | 5.12 kWh |
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Input short-circuit current (A)54+54A Number of MPP trackers/Number of MPP tracker strings2/2+2 AC input/output side Rated AC input/output effective power20000 Max. AC input/output apparent power22000 AC input/output rated current (A)30.4/29 Max. AC input/output current (A)33.4/31.9 Max. Continuous AC passthrough (mains for charging)70 Peak power (without mains)2x rated output power, 10s Setting range of the power factor0.8 leading to 0.8 trailing Nominal input/output voltage/range (V)220/380V, 230/400V 0.85Un-1.1Un Nominal input/output mains frequency/range(Hz)50/45-55, 60/55-65 Form of the mains connection3L+N+PE Total harmonic current distortion (THDi)<3% ( rated power ) DC current power supply<0.5% In Efficiency Max. Efficiency97,6% Euro efficiency97,0% MPPT efficiency>99% Protection of the devices IntegratedDC reverse polarity protection, AC output overcurrent protection, AC output overvoltage protection, AC output short-circuit protection, thermal protection, DC terminal insulation impedance monitoring, DC component monitoring, earth fault current monitoring, power grid monitoring, protection against islanding, earth fault detection, overvoltage load shedding protection, residual current monitoring (RCD), overvoltage category Overvoltage protection levelTYPE II(DC), TYPE II(AC) Interface Communication interfaceRS485/RS232/CAN Monitor modeGPRS/WIFI/Bluetooth/4G/LAN (optional) General data Operating temperature range (℃)-40 to +60°C, >45°C power reduction Permissible ambient humidity0-100% Permissible height3000m Noise (dB)<60 dB(A) Protection classIP 65 Inverter topologyNon-insulated Overvoltage categoryOVC II(DC), OVC III(AC) Dimensions (WxHxD mm)456×750×268.5 (without connectors and brackets) Weight (kg)51.9 Cooling modeIntelligent cooling Guarantee5-year/10-year warranty period depends on the installation conditions of the inverter. Details can be found in the general warranty conditions Mains regulationIEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, OVE guideline R25, G99, VDE-AR-N 4105 Safety EMC / StandardIEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 FAQs about the Deye Sun three-phase hybrid inverterWhich battery types are supported?The inverter is compatible with lead-acid and lithium-ion batteries in the voltage range from 40 to 60V.Can I operate several devices in parallel?Yes, up to 10 units can be operated in parallel, making the inverter ideal for larger systems.What is the maximum charging and discharging current?The maximum charging and discharging current is 350A each, which enables fast energy transfer.What is the standby consumption of the device?The Deye SUN-20K-SG05LP3-EU-SM2 has a self-consumption of ≤ 60 W.Does the 20 kW inverter fit on an 18 kWp system or do I have to oversize/undersize?Yes, the Deye SUN 20K-SG05LP3-EU-SM2 is technically optimised for an 18 kWp system. It does not necessarily have to be oversized or undersized. With a DC/AC ratio of around 0.9, it is exactly in the ideal range (0.9 - 1.1 is recommended). This means that the system is even slightly undersized, but this has practically no disadvantages and at the same time offers scope for retrofitting additional modules at a later date. Scope of delivery: Deye SUN-20K-SG05LP3-EU-SM2 (20 kW LV hybrid inverter) 1 x Deye SUN-20K-SG05LP3-EU-SM2 inverterAn extremely powerful three-phase hybrid inverter with 20 kW output, integrated LCD colour touchscreen and support for 48V low-voltage battery systems.1 x Wall Mount BracketA solid metal mounting rail for securely fastening the appliance to a load-bearing wall.1 x Wi-Fi stick (data logger)A plug-in communication module for connection to the internet for remote monitoring via Deye Cloud or Solarman app.3 x current transformer (CT)External hinged current transformers for measuring the energy flows at the house connection, necessary for zero feed-in and self-consumption optimisation.1 x set of PV connectors (MC4-compatible)The required pairs of DC plugs (plus and minus) for connecting the PV strings to the inverter.1 x communication cable (BMS)A pre-assembled RJ45 data cable for the connection between the inverter and the battery management system.1 x mounting set (screws and plugs)A set of stainless steel screws and heavy-duty dowels for professional installation of the wall bracket.1 x operating instructions (user manual)A printed manual with detailed installation instructions, circuit diagrams and safety instructions.
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This all-in-one solution is ideal for new installations as well as retrofitting existing photovoltaic systems and reliably maximises self-consumption and energy efficiency.Highlights at a glanceSupports both lead-acid and lithium-ion batteries for flexible storage solutionsBattery voltage range from 40 to 60 volts for different storage requirementsMaximum charging and discharging current of 190 amps enables fast energy transferMaximum PV input power of 12,000 watts for larger photovoltaic systemsUnbalanced output power with up to 50 percent of the rated power per phase enables flexible load distributionParallel connection of up to 10 devices for customisable system sizesEfficient energy conversion for modern requirementsThe Deye SUN-8K-SG05LP3-EU-SM2 offers a maximum efficiency of 97.6 percent and an MPPT efficiency of over 99 percent. The wide MPPT voltage range of 200 to 650 volts ensures that a high energy yield is achieved even with changing irradiation conditions. With a maximum PV input voltage of 800 volts, the inverter is optimally suited for high-performance solar module fields. This helps to sustainably increase the efficiency and profitability of the photovoltaic system.Flexibility and scalabilityThe Deye SUN-8K-SG05LP3-EU-SM2 can be flexibly adapted to different requirements. With the option of operating up to ten devices in parallel, the system can be scaled for both smaller and larger energy projects. AC coupling enables simple integration into existing solar systems without the need for extensive modifications. Thanks to the support of both battery types, lead-acid and lithium-ion, the inverter offers a high degree of adaptability to individual storage solutions.Reliability and protectionWith a protection class of IP65, the inverter is optimally protected against dust and water and is therefore suitable for use in a wide variety of environments. The operating temperature range of minus 40 to plus 60 degrees Celsius ensures reliable operation even in extreme weather conditions. Extensive protection functions such as overcurrent, overvoltage, short-circuit and thermal protection, DC reverse polarity protection and monitoring of the DC insulation impedance ensure a high level of operational safety and a long service life for the device.Who is the Deye SUN-8K-SG05LP3-EU-SM2 suitable for?This inverter is ideal forHomeowners seeking a powerful and flexible solution for self-consumption and grid independenceCommercial operations that require stable and efficient power supplyUsers wishing to retrofit existing solar systems with modern storage solutionsInstallations in regions with fluctuating grid supply, where diesel generators provide additional security of supply ModelDEYE SUN 8K-SG05LP3-EU-SM2 Battery input data Battery typeLi-lon Battery voltage range (V)40~60 Max. charging current (A)190 Max. discharging current (A)190 Number of battery inputs1 Charging strategy for Li-ion batterySelf-adaptation to BMS PV string input data Max. DC input power (W)16000 Rated PV input voltage (V)550 Starting voltage (V)160 MPP voltage range (V)200-650 Max. DC input voltage (V)800 PV input current (A)20+20 Max. PV short-circuit current (A)30+30 Number of MPPT2 Strings per MPPT1+1 AC output data AC rated power and UPS power (W)8000 Max. AC output power (W)8800 AC output rated current (A)12.2/11.6 Maximum AC output rated current (A)13.4/12.8 Max. continuous AC throughput (A)45 Peak power (without grid)2-fold rated power, 10 S Output power factor0.8 leading to 0.8 lagging Output frequency and voltage50/60Hz; 3L/N/PE 220/380, 230/400Vac Grid typeThree-phase Total harmonic distortion (THD)< 3% ( rated power ) Direct current feed-in<0,5% ln Efficiency Max. efficiency97,60% Euro efficiency97.00% MPPT efficiency99,90% Protection FusesDC Polarity Reverse Connection Protection, AC Output Overcurrent Protection, Thermal Protection, AC OutputOvervoltage Protection, AC Output Short Circuit Protection, DC Component Monitoring, Overvoltage Load Protection,Earth Fault Current Monitoring, Arc Fault Current Interrupter (optional), Grid Monitoring,Islanding Protection Monitoring, Earth Fault Detection, DC Input Switch, DC IsolationImpedance Monitoring, Reverse Current Detection (RCD), Overvoltage Protection Level Overvoltage categoryDC Type II/AC Type III Certifications and standards Grid approvalsIEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, OVE Directive R25, G98, G99, VDE-AR-N 4105 Safety EMC / StandardIEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 General data Operating temperature range (℃)-45~60°C, >45°C power reduction CoolingIntelligent cooling Noise (dB)<55 dB Communication with BMSRS485; CAN; RS232 Weight (kg)35.2 Size (mm)422B×699.3H×279T Degree of protectionIP65 Installation styleWall mounting Warranty10 years FAQs about the 8 kW Deye Sun Hybrid InverterWhich battery types does the inverter support?The inverter is compatible with lead-acid and lithium-ion batteries in the voltage range from 40 to 60 volts.What is the maximum charging and discharging current?The maximum charging and discharging current is 190 amps, which enables fast energy transfer.Which protective functions are integrated in the Deye?The inverter offers protective mechanisms such as DC reverse polarity protection, AC output overcurrent protection, thermal protection, AC output overvoltage protection, AC output short-circuit protection, DC component monitoring, optional arc fault protection switch, islanding protection, DC switch, insulation impedance detection, residual current detection, and overvoltage protection class II for DC and AC.Is the inverter suitable for retrofitting existing systems?Yes, the inverter can be easily integrated into existing solar systems thanks to AC coupling.Can the inverter supply unbalanced loads?Yes, the inverter can supply an unbalanced load of up to 100 percent, with each phase supplying up to 50 percent of the rated power. Scope of delivery: Deye SUN-8K-SG05LP3-EU-SM2 (8 kW LV hybrid inverter) 1 x Deye SUN-8K-SG05LP3-EU-SM2 inverterA three-phase hybrid inverter with 8 kW output, integrated LCD colour touchscreen and support for 48V low-voltage battery systems.1 x wall mounting (Wall Mount Bracket)A robust metal mounting rail for secure attachment of the device to a load-bearing wall.1 x Wi-Fi stick (data logger)A plug-in communication module for connecting to the internet for remote monitoring via Deye Cloud or Solarman App.3 x current transformer (CT - Current Transformer)External clip-on current transformers for measuring the energy flows at the house connection, necessary for zero feed-in and self-consumption optimisation.1 x set of PV connectors (MC4 compatible)The required pairs of DC connectors (plus and minus) for connecting the PV strings to the inverter.1 x communication cable (BMS)A pre-assembled RJ45 data cable for the connection between the inverter and the battery management system.1 x mounting kit (screws and dowels)A set of stainless steel screws and heavy-duty dowels for proper installation of the wall mount.1 x user manual (User Manual)A printed manual with detailed installation instructions, wiring diagrams and safety information.
The Solar cable SOLR650 (50 metres, 6mm²) in red is the ideal cable by the metre for photovoltaic projects that place the highest demands on efficiency and durability. With a length of 50 metres and a reinforced cross-section of 6mm², this cable offers the perfect reserves for string cabling on rooftops or connecting distant module arrays. The red colouring is used for standard-compliant identification of the positive pole (+), which makes installation clear and minimises the risk of polarity reversal.Certified according to the international standard IEC 62930, this cable fulfils the strictest requirements for use in modern PV systems up to 1500V DC. The generous cross-section ensures that the voltage drop is minimised and the overall yield of your system is maximised, even with the high currents of modern high-performance modules.Highlights at a glanceMaximum efficiency: The cross-section of 6mm² massively reduces the electrical resistance and ensures minimal voltage drop, especially over distances of 50 metres.Certified safety: Complies with the IEC 62930 standard (H1Z2Z2-K) for permanent use in photovoltaic direct current systems up to 1500V.Optimum project length: 50 metres in one piece enable uninterrupted installation without additional plug connections between the module array and inverter.Weather & UV resistant: The high-quality XLPO double insulation protects the cable against embrittlement caused by sun, ozone and extreme weather conditions for decades.Corrosion-protected conductor: Fine-stranded, tinned copper offers the best long-term conductivity and provides effective protection against oxidation, even in damp or salty environments.High thermal load capacity: Reliable operation in a wide temperature range from -40°C to +90°C.Areas of applicationThe SOLR650 is the ideal choice for demanding installation scenarios:Large roof systemsPerfect for connecting the solar modules to the inverter if it is installed in the basement or in a remote technical room.Powerful balcony power stationsIdeal for systems with modern modules (500Wp+) to transport the high currents safely and without losses.Island & battery storageIdeally suited for 24V or 48V systems where low voltage drops are crucial for optimum battery charging.Assembly & safety instructionsProfessional connectionOnly use high-quality MC4 connectors that are approved for 6mm² cross-sections. Precise crimping with a special solar crimping tool is essential.Mechanical fixationFasten the cable at regular intervals with UV-resistant cable ties to avoid mechanical stress caused by wind or dead weight on the connections.Avoidance of induction loopsRun positive (red) and negative (black) cables as parallel and close together as possible to minimise electromagnetic interference fields. Features Model / SKU**SOLR650** Conductor cross-section**6.0 mm²** Delivery form**50 metre ring** ColourRed (positive pole) Rated voltageDC: 1.5 kV / Max. 1.8 kV Conductor materialCopper, tinned (class 5) Temperature range-40°C to +120°C (on the conductor) Certification**IEC 62930 / EN 50618** Special featureHalogen-free, UV-resistant & short-circuit-proof FAQs about solar cable red 50m 6mm²Why is 6mm² for 50 metres better than 4mm²?Due to the lower resistance. The electrical resistance adds up over a distance of 50 metres. With 6mm² you reduce the voltage drop by around a third compared to 4mm². This ensures a higher system voltage at the inverter and therefore a measurably higher yield.Can the cable be laid freely outdoors?Yes. The cable is specially certified for permanent outdoor installation. It is resistant to UV light, ozone and ammonia, which also qualifies it for use in agriculture.Is the cable flame-retardant?Yes. The XLPO insulation is flame-retardant and halogen-free. In the event of a fire, the cable produces hardly any smoke and no corrosive gases, which significantly increases safety in the building.