Felicity FLS48100SG2 battery storage system with 40.96 kWh storage capacity

The Deye SUN-20K-SG05LP3-EU-SM2 offers a reliable and efficient solution for energy conversion in photovoltaic systems. With its high charging and discharging capacity and support for various battery types, it is ideal for demanding energy projects.Highlights at a glanceHigh performance: 20 kW rated output for high energy requirements Flexible battery selectionCompatible with lead-acid and lithium-ion batteries High charging/discharging current: Up to 350A for fast power transmission Expandable: Parallel connection of up to 10 devices possible Robust designIP65 protection class for use in various environments Efficient energy conversion for modern requirementsThe Deye SUN-20K-SG05LP3-EU-SM2 is specially designed to meet the requirements of modern photovoltaic systems. With its three-phase output power and support for 48V low-voltage batteries, it offers an efficient solution for energy conversion and storage.Flexibility and scalabilityThanks to the option of connecting up to 10 devices in parallel, the inverter can be flexibly adapted to different system sizes. The support of both lead-acid and lithium-ion batteries enables customised adaptation to specific energy requirements.Reliability and protectionWith a protection class of IP65, the inverter is protected against dust and water, ensuring reliable operation in different environments. The integrated protective functions ensure safe and stable operation of the system.Who is the Deye SUN-20K-SG05LP3-EU-SM2 suitable for?This inverter is ideal for: Operators of larger solar systems who are looking for a flexible and safe storage solution Commercial enterprises that want to cover energy peaks or work off-grid Homeowners who want to maximise their self-consumption rate Users with diesel generator support who are aiming for maximum self-sufficiency  ModelSUN-20K-SG05LP3-EU-SM2 Battery input data Battery typeLead-acid or lithium-ion Battery voltage range (V)40~60V Max. Charging current (A)350A Max. Discharge current (A)350A Charging strategy for Li-ion batterySelf-adaptation to BMS Number of battery inputs2 Input data of the PV string Max. DC input power (W)32000W Max. DC input voltage (V)800V Starting voltage (V)160V MPPT voltage range (V)160V-650V Rated DC input voltage (V)550V Max. Operating PV input current (A)36+36A Max. 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.

The Deye AI-W5.1-B energy storage system with a capacity of 10.24 kWh 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 domestic and commercial applications. With robust LiFePO₄ technology, wireless plug-&-play installation and intelligent control, the storage system ensures maximum flexibility and long-term reliability.Highlights at a glance10.24 kWh rated capacity, of which 9.2 kWh is usable (2 modules of 5.12 kWh each, 90 % DoD) Wireless, pluggable stack installation without screws or wiring 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. Secure.The Deye AI-W5.1-B is designed to grow with your energy needs. The system can be expanded in stacks of up to 6 modules (30.72 kWh) and can be connected in parallel in up to 6 clusters,  for a total capacity of up to 184 kWh. The clever plug-&-play connection makes installation quick, safe and cost-effective, all without external cables or screws.Intelligent energy managementEach module is equipped with a high-precision battery management system (BMS) that intelligently controls charging and discharging processes, protects the cells and maximises service life. Remote monitoring, automatic addressing and wireless communication ensure easy system integration and high transparency during operation.Robust technology for all conditionsThanks to its IP65-certified housing, the storage system is protected against dust and splash water and is suitable for indoor areas such as basements, utility rooms and protected outdoor areas. Operation is possible even at temperatures from -20 °C to +55 °C. The wireless design with natural convection cooling makes the storage system silent, maintenance-free and durable.Who is the Deye AI-W5.1-B energy storage system suitable for?This battery system is ideal for: Private households that want to store surplus solar energy efficiently Commercial businesses that want to absorb peak loads or operate independently of the grid Installers who want to offer a modular, easily expandable storage system Hybrid or off-grid applications where a reliable energy supply is crucial Sustainability-conscious users who value pollutant-free, durable 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) - Rated value200 Charge/discharge current (A) - Peak discharge (2 min,25°C)270 Operating temperature (°C)Charging: 0 ~ 55 / Discharging: -20 ~ 60 LCD displaySOC%, Power, Total Voltage Communication connectionCAN2.0, RS485 Humidity5% ~ 90% Altitude≤2000m IP protection class of the 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 storage systemCan I expand the storage system to 15 or 30 kWh later?Yes, up to six modules can be combined per tower, resulting in a total capacity of 30.7 kWh per stack. By connecting up to six towers in parallel, flexible scaling to significantly higher capacities is possible.How many cycles does the battery last?According to the datasheet, the storage system 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 approved for Deye hybrid inverters in the low-voltage series. The communication and operating parameters are matched to each other at the factory. “Plug-&-play” operation is possible without further configuration. A comparison with the compatibility list is recommended.Can I also operate the storage system with other inverters?There is no official approval from Deye for other inverters. Use with third-party devices is therefore at your own risk and without any guarantee of functionality.Does the battery need to be fully charged before initial commissioning?Yes, the manual recommends an initial charge to 100 % to ensure correct synchronisation of the state of charge (SoC). If this step is skipped, deviations in the SoC values and inaccurate capacity display may occur. If solar energy is not sufficient for the first full charge, the storage system can also be charged via the grid. Scope of delivery 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, which together form 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 with 5.12 kWh each, which are stacked on the BMS unit.1 x set of battery connection cables (positive & negative)A pair of high-performance cables for connecting 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 connection bridge / parallel connection cableShort, robust cables or a fixed bridge to connect the two battery modules to each other.1 x earthing cableA protective conductor cable for correct earthing of the BMS unit.1 x installation accessories (tower assembly)Includes screws or locking elements to securely connect the three components into a tower.1 x operating and installation manualA printed manual describing the installation of the entire tower system.

The Deye SUN-15K-SG05LP3-EU-SM2 is a high-performance three-phase hybrid inverter developed for demanding photovoltaic systems in both commercial and private sectors. With a charging and discharging capacity of up to 350 A, support for various battery types and versatile application options, it is a reliable solution for modern energy systems.Highlights at a glanceHigh performance: 15 kW rated power for medium to large PV systemsFlexible battery application: Compatible with 48 V lithium-ion and lead-acid batteriesPowerful charge and discharge current: Up to 280A for rapid energy storageParallel operation: Operation of up to 10 devices possible, on-grid and off-gridDiesel generator compatible: Support for external power sourcesEfficient energy conversion for modern requirementsThe Deye SUN-15K-SG05LP3-EU-SM2 enables a high self-consumption rate through intelligent battery management, flexible PV feed-in and versatile communication interfaces. With a maximum efficiency of 97.6 percent and MPPT efficiency of over 99 percent, the system operates extremely efficiently and is energy-optimised.Flexible integration and retrofittingWhether as part of a new photovoltaic system or to expand existing systems, thanks to AC coupling and parallel operation, the SUN-15K is highly versatile. The combination with up to 10 inverters and various battery types allows scalable storage solutions and maximum system availability.Intelligent grid and island operationThe inverter supports operation on the public grid as well as self-sufficient island operation. Integrated communication via RS485, CAN, Wi-Fi, GPRS or LAN (optional) allows for easy integration into monitoring and control systems. The protection functions and IP65 protection class guarantee maximum operational safety.Who is the Deye SUN-15K-SG05LP3-EU-SM2 suitable for?This inverter is ideal for:PV systems in commercial or private sectors with moderate energy demandSystems operated in parallel with the grid or independentlyProjects requiring maximum flexibility and reliabilityExisting systems to be modernised via AC coupling  ModelSUN-15K-SG05LP3-EU-SM2 Battery input data Battery typeLead-acid or lithium-ion Battery voltage range (V)40~60V Max. charging current (A)280A Max. discharging current (A)280A Charging strategy for Li-ion batterySelf-adaptation to BMS Number of battery inputs2 PV string input data Max. DC input power (W)22500W Max. DC input voltage (V)800V Starting voltage (V)160V MPPT voltage range (V)160V-650V Nominal DC input voltage (V)550V Max. operational PV input current (A)36+36A Max. input short-circuit current (A)54+54A Number of MPP trackers/number of strings per MPP tracker2/2+2 AC input/output side Rated AC input/output active power15000 Max. AC input/output apparent power16500 AC input/output rated current (A)22.8/21.8 Max. AC input/output current (A)25/24 Max. continuous AC passthrough (Grid for charging)70 Peak performance (off-grid)2x rated output power, 10s Power factor adjustment range0.8 leading to 0.8 lagging Rated input/output voltage/range (V)220/380V, 230/400V 0.85Un-1.1Un Rated input/output grid frequency/range(Hz)50/45-55, 60/55-65 Form of grid connection3L+N+PE Total harmonic current distortion (THDi)<3% ( rated power ) DC current feed-in<0,5% In Efficiency Max. efficiency97,6% Euro efficiency97,0% MPPT efficiency>99% Device protection IntegratedDC reverse polarity protection, AC output overcurrent protection, AC output overvoltage protection, AC output short-circuit protection, thermal protection, DC terminal insulation resistance monitoring, DC component monitoring, ground fault current monitoring, grid monitoring, islanding protection, ground fault detection, overvoltage load shedding protection, residual current monitoring (RCD), overvoltage category Surge 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 altitude3000m Noise (dB)<60 dB(A) Protection classIP 65 Inverter topologyNon-isolated Overvoltage categoryOVC II(DC), OVC III(AC) Dimensions (WxHxD mm)456×750×268.5 (Without connectors and brackets) Weight (kg)50.6 Cooling methodIntelligent cooling Warranty5-year/10-year warranty period depends on the installation conditions of the inverter. For details, please refer to the general terms and conditions of warranty Grid regulationIEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, OVE Directive 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-15K-SG05LP3-EU-SM2Which battery systems are compatible?It supports low voltage batteries with a voltage of 40–60 V, both lithium-ion and lead-acid. Communication takes place intelligently via BMS protocols. The maximum charging and discharging current is up to 280 A.How efficient is this inverter?The maximum efficiency is 97.6%, the EU efficiency is 97.0%, which means very low losses.How many MPPTs and strings does it support?It has two MPP trackers, each of which can be connected to up to two PV strings (2 strings per MPPT).Can I operate several devices in parallel?Yes, up to 10 devices can be operated in parallel in on-grid or off-grid mode to flexibly scale system performance and capacity.What protection features are integrated?It is protected to IP65 and therefore protected against dust and water jets. In addition, it features comprehensive protection functions against DC reverse polarity, overcurrent, overvoltage, short circuit, earth faults and arc faults (“AFCI”). Scope of delivery: Deye SUN-15K-SG05LP3-EU-SM2 Three-phase Hybrid Inverter 15 kW 1 x Deye SUN-15K-SG05LP3-EU-SM2 inverterThe three-phase hybrid inverter with 15 kW output, integrated LCD colour touchscreen and support for 48V batteries.1 x wall mount bracketA robust metal rail for secure mounting of the device to a wall of sufficient load-bearing capacity.1 x Wi-Fi stick (data logger)A plug-in module for integrating the inverter into the local Wi-Fi network for monitoring via Deye Cloud or Solarman App.3 x current transformers (CT - Current Transformer)Split-core current transformers for measuring the energy flows at the house connection, necessary for functions such as zero feed-in and self-consumption optimisation.1 x set of PV connectors (MC4-compatible)The corresponding pairs of connectors (plus and minus) for connecting the photovoltaic strings to the DC inputs.1 x communication cable (BMS)A pre-assembled RJ45 cable for data connection between the inverter and the battery management system of the storage unit.1 x mounting kitIncludes the necessary stainless steel screws and heavy-duty dowels for the correct installation of the wall bracket.1 x User ManualA printed manual with technical specifications, wiring diagrams, installation instructions and safety advice.

The Deye SUN-12K-SG05LP3-EU-SM2 is a three-phase hybrid inverter for residential and commercial energy projects. It combines an inverter, battery charger and energy management system in one device, enabling efficient, flexible energy flow control in new installations and retrofits.Highlights at a glanceSupports both lead-acid and lithium-ion batteries for various storage optionsBattery voltage range from 40 to 60 volts for flexible application possibilitiesMaximum charging and discharging current of 240 amperes for fast energy absorption and releaseMaximum PV input power of 18,000 watts enables high-performance solar systemsTwo independent MPPT inputs for maximum energy yield even with different module orientationsUnbalanced output power with up to 50 percent of the rated power per phase for flexible load distributionEfficient energy conversion for modern requirementsThe Deye SUN-12K-SG05LP3-EU-SM2 achieves a maximum efficiency of 97.6 percent and boasts an MPPT efficiency of over 99 percent. The wide MPPT voltage range of 200 to 650 volts, in conjunction with a maximum PV input voltage of 800 volts, ensures efficient energy capture even under varying irradiation conditions. This high efficiency ensures economical operation and maximum yields from the solar system.Flexibility and scalabilityThe Deye SUN-12K-SG05LP3-EU-SM2 can be flexibly adapted to different requirements. Thanks to the ability to operate up to ten devices in parallel, it is suitable for both smaller systems and large energy projects. The AC coupling allows easy integration into existing systems, making the inverter also ideal for retrofitting. Support for various battery types enables tailor-made storage solutions matched to individual needs and budgets.Reliability and protectionWith an IP65 protection rating, the inverter is optimally protected against dust and water, and is suitable for demanding environmental conditions. The wide operating temperature range from minus 40 to plus 60 degrees Celsius ensures safe operation even under extreme climatic conditions. Comprehensive protection mechanisms such as overcurrent, overvoltage, short-circuit and thermal protection, as well as DC insulation impedance monitoring, provide maximum operational safety and a long system lifespan.Who is the Deye SUN-12K-SG05LP3-EU-SM2 suitable for?This inverter is ideal forHomeowners who want to increase their self-consumption quota and reduce energy costsCommercial enterprises that require a stable and efficient power supplyUsers who want to expand existing solar systems with modern storage solutionsProjects in regions with fluctuating grid stability, where diesel generators are used as an additional energy source  ModelDEYE SUN 12K-SG05LP3-EU-SM2 Battery input data Battery typeLi-lon Battery voltage range (V)40~60 Max. charging current (A)240 Max. discharging current (A)240 Number of battery inputs1 Charging strategy for Li-ion batterySelf-adjustment to BMS PV string input data Max. DC input power (W)18000 Nominal PV input voltage (V)550 Start voltage (V)160 MPP voltage range (V)200-650 Max. DC input voltage (V)800 PV input current (A)26+26 Max. PV short-circuit current (A)39+39 Number of MPPT2 Strings per MPPT2+2 AC output data AC rated power and UPS power (W)12000 Max. AC output power (W)13200 AC rated output current (A)18.2/17.4 Max. rated AC output current (A)20/19.2 Max. continuous AC running (A)45 Peak power (without grid)2 times 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 ) DC feed-in<0,5% ln Efficiency Max. efficiency97,60% Euro efficiency97.00% MPPT efficiency99,90% Protection SafeguardsDC Polarity Reverse Connection Protection, AC Output Overcurrent Protection, Thermal Protection, AC OutputSurge Protection, AC Output Short Circuit Protection, DC Component Monitoring, Overvoltage Load Protection,Earth Fault Current Monitoring, Arc Fault Circuit Interrupter (optional), Grid Monitoring,Island Protection Monitoring, Earth Fault Detection, DC Input Switch, DC IsolationImpedance Monitoring, Residual Current Detection (RCD), Surge Protection Level Surge 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)386B×660H×250 D Protection classIP65 Installation styleWall bracket Warranty10 years  FAQs on the 10 kW Deye Hybrid InverterWhat types of batteries does the inverter support?The inverter is compatible with lead-acid and lithium-ion batteries in the voltage range of 40 to 60 volts.What is the maximum charging and discharging current?The maximum charging and discharging current is 240 amperes, which enables fast energy transfer.Can the inverter be operated with a diesel generator?Yes, the Deye SUN-12K-SG05LP3-EU-SM2 supports the integration of diesel generators for a safe and uninterrupted power supply.Which communication interfaces are available?The inverter offers interfaces such as RS485, RS232, CAN as well as options for GPRS, Wi-Fi, Bluetooth, 4G and LAN for monitoring and control.Can the inverter supply unbalanced loads?Yes, the inverter can supply an unbalanced load of up to 100 percent, with each phase being able to deliver up to 50 percent of the rated power. Scope of delivery: Deye SUN-12K-SG05LP3-EU-SM2 three-phase hybrid inverter 12KW 1 x Deye SUN-12K-SG04LP3-EU-SM2 inverterA three-phase hybrid inverter with 12 kW output, integrated LCD touchscreen and support for 48V low-voltage battery systems.1 x wall mount bracketA robust metal mounting rail for securely attaching the device to a load-bearing wall.1 x Wi-Fi stick (data logger)A pluggable communication module for connection to the internet for remote monitoring via Deye Cloud or Solarman App.3 x current transformers (CT - Current Transformer)External clamp current transformers for measuring energy flows at the house connection, necessary for zero feed-in and optimising self-consumption.1 x set of PV connectors (MC4-compatible)The required pairs of DC plugs (plus and minus) to connect the PV strings to the inverter.1 x communication cable (BMS)A pre-tethered RJ45 data cable for connecting between the inverter and battery management system.1 x mounting kit (screws and dowels)A set of stainless steel screws and heavy-duty dowels for correct installation of the wall bracket.1 x User ManualA printed manual with detailed installation instructions, circuit diagrams and safety instructions.