Deye SUN-25K-SG01HP3-EU-AM2 Three-phase hybrid inverter 25 kW

The Deye GB-L-PRO20 is a powerful and highly flexible high-voltage energy storage system that has been specially developed for modern photovoltaic systems in homes and small businesses. With a gross capacity of 20.45 kWh it provides a massive energy reserve to maximise independence from the public grid and reliably supply even large households or commercial operations.The system is supplied including the GBL-PRO BMS, which, as an intelligent control unit, monitors the entire tower. Thanks to the advanced lithium iron phosphate technology (LiFePO4), the system guarantees maximum safety with a long service life. The simple stack assembly enables quick installation without complex cable connections between the modules.Highlights at a glanceHigh safety: The cobalt-free LiFePO4 chemistry ensures maximum safety, thermal stability and a long cycle life of over 6000 cycles.Central GBL-PRO BMS: The intelligent control unit monitors each cell individually and protects the overall system against overcharging, deep discharge and thermal problems.Simple installation: Thanks to the modular "plug-and-play" design, the stack assembly is quick and requires no additional cable connections between the battery modules.Efficient high-voltage technology: The high system voltage reduces conversion losses and optimises efficiency when combined with modern hybrid inverters.Emergency power capability: Supports high discharge rates to ensure the safe supply of critical loads or entire households even during power outages.Robust design: With protection class IP65, the system is dustproof and protected against water jets, enabling installation in various environments.Areas of applicationThe GB-L-PRO20 is the ideal storage solution for demanding energy concepts:Optimisation of in-house electricityStorage of surplus solar power during the day for use in the evening and at night, even with high base consumption.Backup power supplyIn conjunction with compatible hybrid inverters, the system offers protection against grid failures (blackout prevention) for the entire house.Peak load shavingReducing electricity costs by buffering peak loads, especially in households with multiple e-charging stations or heat pumps.Installation & safety instructionsSite selectionPlace the storage system on a level, load-bearing surface (pay attention to weight). Ensure sufficient ventilation and observe the recommended minimum distances.Protection against extreme temperaturesAlthough the system is designed for a wide temperature range, installation in cool, frost-free indoor spaces (e.g. basement or technical room) extends the life of the cells.Professional commissioningThe electrical connection to the inverter and the configuration of the GBL-PRO BMS may only be carried out by certified specialist personnel. Properties Model**Deye GB-L-PRO20** Nominal energy**20.45 kWh** Nominal voltage**512 V** (high voltage) Battery typeLithium iron phosphate (LiFePO4) Max. charge/discharge current50 A Usable energy (90% DoD)18.41 kWh Degree of protection**IP65** (indoor/outdoor installation) Cycle life≥ 6000 cycles (@25°C, 90% DoD) CertificationsCE, IEC62619, VDE2510-50, UN38.3  FAQs about the Deye GB-L-PRO20 battery systemCan I expand the system with additional modules later?Yes.Thanks to the modular system, you can flexibly adapt the capacity of your storage system. The GBL-PRO BMS automatically detects new modules and integrates them into the battery management.Which inverters is the system compatible with?Primarily with Deye hybrid inverters.The system is optimally matched to Deye high-voltage hybrid inverters. Please check the current compatibility list for third-party devices before installation.Why is LiFePO4 used as a cell chemistry?Because of its superior safety.In contrast to conventional lithium-ion batteries (NMC), LiFePO4 is much more chemically stable. Even in the event of mechanical damage, these cells are not prone to ignition.Does the system have integrated heating for winter operation?Yes, optional.The Deye GB-L-PRO20 system supports an integrated heating function that allows the battery cells to be charged safely even at low ambient temperatures. This effectively protects the cells when installed in unheated rooms.What is the maximum discharge power of the 20.45 kWh system?Depends on module configuration.Thanks to the high-voltage technology, the system can provide high discharge currents. As a rule, this 20.45 kWh package allows a continuous output of approx. 10 kW to 15 kW, ideal for wallboxes or air conditioning systems. Scope of delivery Deye GB-L-PRO20 Modular high-voltage battery system (20.45 kWh): System compositionThis product is a set and consists of six separate main components, which together form a 20.45 kWh high-voltage tower system.Component 1: Deye GBL-PRO BMS (high-voltage control unit & base)The central control unit (BMS) that manages the entire high-voltage system. This unit forms the base of the battery tower.Components 2 to 6: Five Deye GB-L-PRO-BATT high-voltage battery modules (each 4.09 kWh)Five high-voltage battery modules each with 4.09 kWh that are stacked on the BMS unit and on top of each other.1 x set battery connection cables (plus & minus)A pair of special high-voltage power cables for connecting the BMS unit to a compatible high-voltage hybrid inverter.1 x communication cable (CAN/RS485)A data cable for communication between the BMS and the inverter.4 x connecting bridge / series connection cableShort, robust cables or fixed bridges to connect the five battery modules in series.1 x earth cableA protective conductor cable for proper earthing of the BMS unit.1 x mounting accessories (tower assembly)Includes screws or locks to securely connect the six components into a tower.1 x operation and installation manualA printed manual describing the installation of the entire high-voltage tower system.

The Deye GB-L-PRO24 is a high-capacity, high-voltage energy storage system designed for demanding photovoltaic projects in domestic and small business sectors. With a massive gross capacity of 24.56 kWh, it represents one of the most powerful configurations in the GB-L series, enabling near-total energy independence even with high power consumption.The system uses proven lithium iron phosphate technology (LiFePO4), which is renowned for its extreme safety and cycle stability. Thanks to the modular stack design, this battery storage can be installed quickly and neatly without complicated inter-module wiring.Highlights at a glanceMaximum capacity: With 24.56 kWh, the system offers huge reserves for heat pumps, electric vehicles and commercial applications.Safe cell chemistry: The cobalt-free LiFePO4 technology prevents thermal runaway and guarantees a long service life of over 6000 cycles.Efficient high-voltage architecture: The high operating voltage minimises conversion losses and ensures highly efficient coupling with state-of-the-art hybrid inverters.Simple scalability: The modular "plug-and-play" principle allows rapid installation by simply stacking the components.Intelligent management: The integrated GBL-PRO BMS continuously monitors all cell parameters and optimises the charging and discharging strategy.All-weather housing: The IP65 rating ensures reliable operation and protection against dust and water jets in various installation environments.Areas of applicationThe GB-L-PRO24 is the ideal solution for complex energy scenarios:Large private householdsStorage of massive solar surpluses for the night, ideal for the simultaneous operation of air conditioners and pool technology.Commerce & agricultureCovering high base loads and buffering power peaks (peak shaving) to lower grid fees.Complete energy independence (off-grid)In combination with powerful inverters, forms the core of a stand-alone system for uninterrupted power supply.Mounting & safety instructionsObserve static requirementsA fully equipped tower of this capacity class has a considerable weight (approx. 250–280 kg). Check the load-bearing capacity of the substrate in advance.Central BMS requiredFor operation of this 24.56 kWh package, the corresponding GBL-PRO BMS and associated base plate (Base) are absolutely required.Fire protection & ventilationObserve the manufacturer’s specified minimum distances from walls and combustible materials to ensure optimal heat dissipation. Properties Model**Deye GB-L-PRO24** Nominal energy**24.56 kWh** Voltage**614.4 V** (high voltage) Battery typeLithium iron phosphate (LiFePO4) Max. charge/discharge current50 A Usable energy (90% DoD)22.10 kWh Protection rating**IP65** (indoor/outdoor installation) Cycle life≥ 6000 cycles (@25°C, 90% DoD) CertificationsCE, IEC62619, VDE2510-50, UN38.3  FAQs about the Deye GB-L-PRO24 battery systemCan I connect two of these 24.56 kWh towers in parallel?Yes.The Deye system supports the parallel connection of several battery towers. This means that much larger capacities than 24 kWh can be achieved to meet even greater commercial needs.Is the system compatible with single-phase inverters?No, generally not.The GB-L high-voltage series is specifically designed for three-phase hybrid inverters (such as the Deye SUN-5/6/8/10/12K-SG04LP3-EU series). For single-phase systems, Deye generally offers low-voltage (48V) solutions.Does the system have an emergency power supply function?Yes, in conjunction with the inverter.The battery system is designed for high discharge currents and can take over house backup power supply in the event of a power outage, provided the connected inverter supports this.How deeply can the storage be discharged?Up to 90% (DoD).The intelligent BMS allows a depth of discharge (DoD) of up to 90% to maximise usable capacity without negatively affecting cell life.Does the system require regular maintenance?No.The system is maintenance-free. However, the condition can be monitored at any time via the app or web portal using the integrated communications interface to ensure optimal performance. Scope of delivery: Deye GB-L-PRO24 (24.56 kWh high-voltage battery system) 1 x Deye GB-LB BMS controller (control unit)The central high-voltage control unit mounted at the top of the battery stack, responsible for full management and communication with the inverter.6 x Deye GB-L-PRO4.1 battery modulesModular LiFePO4 storage elements, each providing 4.09 kWh capacity, together delivering the total capacity of 24.56 kWh.1 x Deye GB-L Base (base plate)The sturdy base for floor installation, serving as a firm foundation for the entire battery tower.1 x set of internal connection cables (plug & play)All required connectors and short communication bridges for electrical coupling of the modules within the tower.1 x external cable set (Power & BMS)Includes high-voltage power cables to the inverter and the essential data cable for BMS communication.1 x wall-mounting set (tilt protection)Mounting accessories for fixing the battery tower to the wall to guarantee maximum stability.1 x set of mounting materialAll screws and small components required for mechanically connecting the modules and controller.1 x operating and installation manual (User Manual)A technical manual providing detailed stacking, wiring, and configuration instructions for the high-voltage system.