All in One SolaX X1-IES Hybrid Energy Storage System 3.7kW Inverter, 5.1–20.4kWh Battery All‑in‑one single phase hybrid system combining a 3.7kW inverter, BMS and modular LFP battery from 5.1kWh up to 20.4kWh. Plug‑and‑play cabinet with integrated wiring, smart controls and rapid switchover for simple storage and backup on UK sites. Expandable battery stack, high efficiency and intelligent scheduling to help reduce bills and make better use of rooftop solar. Brief description The SolaX X1‑IES All in One Hybrid Energy Storage System is a compact cabinet integrating a 3.7kW single phase hybrid inverter with lithium iron phosphate battery modules, managed by a built‑in BMS. It is designed as a plug‑and‑play energy storage solution, with total battery capacity configurable from around 5.1kWh to 20.4kWh depending on the number of modules installed. This all‑in‑one unit handles PV input, battery charging and discharging, and export to the grid or backup circuits, with features such as time‑of‑use scheduling, smart scenes and rapid EPS switchover. It provides a tidy, installer‑friendly form factor for residential and small commercial or light‑industrial projects that want flexible storage without building a bespoke rack system. Key features Integrated hybrid inverter and battery – 3.7kW single phase hybrid inverter and modular LiFePO₄ battery stack in one cabinet, with BMS and controls built‑in. Expandable battery capacity – Battery modules allow capacity to be increased in steps from around 5.1kWh up to 20.4kWh, supporting future growth in site demand. High efficiency and robust backup – Maximum inverter efficiency around 97.6%, battery charge efficiency up to about 98.5%, and EPS function with short switchover times for backup. Smart energy management – Time‑of‑use scheduling, smart scene control, intelligent load management and VPP readiness via SolaX cloud. LFP safety and simple installation – Cobalt‑free LiFePO₄ cells, IP‑rated enclosure and plug‑and‑play design for straightforward installation and maintenance. Where to use this system The X1‑IES All in One system is suited to homes, small commercial units and light‑industrial sites that want a neat cabinet‑based storage solution rather than separate inverter and battery racks. Typical applications include houses and villas, bakeries and grocery shops, small offices, workshops and similar premises with single phase supply and moderate loads. As a high‑voltage hybrid system with grid‑connected and backup functions, it must be installed and commissioned by qualified electricians familiar with SolaX equipment and UK requirements such as G98/G99. Energian can support system design and introduce trusted UK installers to deliver complete X1‑IES projects. Technical specifications Product type: All‑in‑one energy storage system integrating hybrid single phase inverter, BMS and extensible battery modules. Inverter power class: 3.7kW hybrid single phase inverter (X1‑IES‑3.7K variant). Battery capacity range: approx. 5–20kWh, typically sold as 5.1–20.4kWh depending on module configuration. Battery chemistry: Cobalt‑free LiFePO₄ (lithium iron phosphate). Design: Modular, plug‑and‑play cabinet, parallel‑ready and expandable with additional battery modules. Input PV (inverter section) Recommended PV array power (3.7kW model): up to around 7400Wp for X1‑IES‑3.7K. Max. PV input voltage: 600V. MPP tracker voltage range: typically 50–600V on X1‑IES inverter variants (see datasheet for exact range). Number of MPPTs: up to 2–3 inputs, often listed as PV1, PV2 and PV3 for higher‑power models. Max. input current per MPPT: 20A per input (PV1 / PV2 / PV3). Max. short‑circuit current per MPPT: 30A per input. Low start‑up voltage: low output start‑up voltage for longer daily operating time (feature). PV oversizing: support for up to 200% PV oversizing and 200% PV input power. AC output (on‑grid) Rated AC output power: around 3680W for the X1‑IES‑3.7K inverter at 230V, 50Hz. Rated AC output current: approx. 16A at 230V, 50Hz for X1‑IES‑3.7K. Nominal AC voltage: 220 / 230 / 240V single phase. Nominal grid frequency: 50 / 60Hz. Battery and EPS Battery modules: stackable LiFePO₄ battery blocks designed for SolaX X1‑IES cabinets, with total capacity in the 5–20kWh range. Max. battery charge / discharge current: up to 50A charge/discharge rate (system statement). EPS backup function: built‑in robust backup with switchover time around 10ms, and up to 200% EPS output for 10s. Night power consumption: < 40W in hot standby; < 5W in cold standby (inverter section). Efficiency Max. inverter efficiency: 97.6%. European efficiency: around 97.0%. Battery charge efficiency: up to approximately 98.5%. Battery discharge efficiency: around 97%. Protection and safety Anti‑islanding protection: Yes. DC reverse polarity protection: Yes. Insulation monitoring: Yes. Residual current monitoring: Yes. AC overcurrent protection: Yes. AC short‑circuit protection: Yes. AC overvoltage protection: Yes. Over‑heat protection: Yes. AFCI (arc‑fault): optional. Surge protection: Type II SPD on AC and DC sides. Smart energy, communication and VPP Smart schedule and scenes: Smart Schedule, Smart Scene and intelligent load management functions for optimised energy use. Time‑of‑use (ToU) support: 7×24 ToU settings for tariffs and battery scheduling. AI‑ready energy management: forecasting of solar generation and home consumption with AI‑assisted strategy. VPP readiness: SolaX cloud supports resource aggregators using standards such as IEEE 2030.5 and OpenADR. Communication interfaces: RS485, CAN, digital inputs/outputs and Pocket communication options (e.g. Pocket‑X / Pocket WiFi), depending on model. Mechanical and environmental (inverter section) Typical inverter dimensions (W × H × D): around 717 × 350 × 210mm for X1‑IES inverter chassis. Inverter weight: typically < 28kg for the X1‑IES inverter unit. Operating temperature range: approximately −35°C to +60°C (derating above 45°C). Relative humidity: 0–100% (condensing). Storage temperature: −40°C to +65°C. Ingress protection: IP66 for the inverter unit; cabinet system designed for indoor or suitably sheltered installation. Noise emission: typically < 35dB(A). Cooling: natural cooling (fanless). Standards and certification Safety: IEC 62109‑1 / IEC 62109‑2. Selected grid and product certifications: VDE 0126‑1‑1, VDE‑AR‑N 4105, G98/G99, AS 4777, EN 50549, CEI 0‑21 and others depending on region. Documents available for download SolaX X1‑IES All in One Energy Storage System – Datasheet. Shipping and support Shipping is available to the UK, Ireland, Africa, the Caribbean and worldwide. If a shipping rate is not shown at checkout, please contact us on +44 20 8064 0335 or [email protected] for a quotation. UK expert support is available – contact us with any questions or support requests via phone, email or live chat, or visit our office for an in‑person consultation about SolaX X1‑IES all‑in‑one energy storage systems and wider renewable solutions for logistics, commercial and industrial sites.
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