{"product_id":"all-in-one-solax-x1-ies-hybrid-energy-storage-system-3-7w-inverter-5-1-20-4kwh-battery","title":"All in One SolaX X1-IES Hybrid Energy Storage System 3.7W Inverter, 5.1-20.4kWh Battery","description":"\u003cdiv style=\"font-size: 16px; line-height: 1.6;\"\u003e\n\u003ch1 style=\"text-align: center;\"\u003eAll in One SolaX X1-IES Hybrid Energy Storage System 3.7kW Inverter, 5.1–20.4kWh Battery\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eAll‑in‑one single phase hybrid system combining a 3.7kW inverter, BMS and modular LFP battery from 5.1kWh up to 20.4kWh.\u003c\/li\u003e\n\u003cli\u003ePlug‑and‑play cabinet with integrated wiring, smart controls and rapid switchover for simple storage and backup on UK sites.\u003c\/li\u003e\n\u003cli\u003eExpandable battery stack, high efficiency and intelligent scheduling to help reduce bills and make better use of rooftop solar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBrief description\u003c\/h2\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003eThis 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.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated hybrid inverter and battery\u003c\/strong\u003e – 3.7kW single phase hybrid inverter and modular LiFePO₄ battery stack in one cabinet, with BMS and controls built‑in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable battery capacity\u003c\/strong\u003e – Battery modules allow capacity to be increased in steps from around 5.1kWh up to 20.4kWh, supporting future growth in site demand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh efficiency and robust backup\u003c\/strong\u003e – Maximum inverter efficiency around 97.6%, battery charge efficiency up to about 98.5%, and EPS function with short switchover times for backup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart energy management\u003c\/strong\u003e – Time‑of‑use scheduling, smart scene control, intelligent load management and VPP readiness via SolaX cloud.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLFP safety and simple installation\u003c\/strong\u003e – Cobalt‑free LiFePO₄ cells, IP‑rated enclosure and plug‑and‑play design for straightforward installation and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhere to use this system\u003c\/h2\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003eAs 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.\u003c\/p\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e All‑in‑one energy storage system integrating hybrid single phase inverter, BMS and extensible battery modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter power class:\u003c\/strong\u003e 3.7kW hybrid single phase inverter (X1‑IES‑3.7K variant).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery capacity range:\u003c\/strong\u003e approx. 5–20kWh, typically sold as 5.1–20.4kWh depending on module configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery chemistry:\u003c\/strong\u003e Cobalt‑free LiFePO₄ (lithium iron phosphate).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Modular, plug‑and‑play cabinet, parallel‑ready and expandable with additional battery modules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInput PV (inverter section)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended PV array power (3.7kW model):\u003c\/strong\u003e up to around 7400Wp for X1‑IES‑3.7K.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. PV input voltage:\u003c\/strong\u003e 600V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPP tracker voltage range:\u003c\/strong\u003e typically 50–600V on X1‑IES inverter variants (see datasheet for exact range).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of MPPTs:\u003c\/strong\u003e up to 2–3 inputs, often listed as PV1, PV2 and PV3 for higher‑power models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. input current per MPPT:\u003c\/strong\u003e 20A per input (PV1 \/ PV2 \/ PV3).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. short‑circuit current per MPPT:\u003c\/strong\u003e 30A per input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow start‑up voltage:\u003c\/strong\u003e low output start‑up voltage for longer daily operating time (feature).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePV oversizing:\u003c\/strong\u003e support for up to 200% PV oversizing and 200% PV input power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAC output (on‑grid)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated AC output power:\u003c\/strong\u003e around 3680W for the X1‑IES‑3.7K inverter at 230V, 50Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated AC output current:\u003c\/strong\u003e approx. 16A at 230V, 50Hz for X1‑IES‑3.7K.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal AC voltage:\u003c\/strong\u003e 220 \/ 230 \/ 240V single phase.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal grid frequency:\u003c\/strong\u003e 50 \/ 60Hz.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBattery and EPS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery modules:\u003c\/strong\u003e stackable LiFePO₄ battery blocks designed for SolaX X1‑IES cabinets, with total capacity in the 5–20kWh range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. battery charge \/ discharge current:\u003c\/strong\u003e up to 50A charge\/discharge rate (system statement).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPS backup function:\u003c\/strong\u003e built‑in robust backup with switchover time around 10ms, and up to 200% EPS output for 10s.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNight power consumption:\u003c\/strong\u003e \u0026lt; 40W in hot standby; \u0026lt; 5W in cold standby (inverter section).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEfficiency\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. inverter efficiency:\u003c\/strong\u003e 97.6%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEuropean efficiency:\u003c\/strong\u003e around 97.0%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery charge efficiency:\u003c\/strong\u003e up to approximately 98.5%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery discharge efficiency:\u003c\/strong\u003e around 97%.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProtection and safety\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti‑islanding protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC reverse polarity protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation monitoring:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResidual current monitoring:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC overcurrent protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC short‑circuit protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC overvoltage protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver‑heat protection:\u003c\/strong\u003e Yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAFCI (arc‑fault):\u003c\/strong\u003e optional.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge protection:\u003c\/strong\u003e Type II SPD on AC and DC sides.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSmart energy, communication and VPP\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart schedule and scenes:\u003c\/strong\u003e Smart Schedule, Smart Scene and intelligent load management functions for optimised energy use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime‑of‑use (ToU) support:\u003c\/strong\u003e 7×24 ToU settings for tariffs and battery scheduling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAI‑ready energy management:\u003c\/strong\u003e forecasting of solar generation and home consumption with AI‑assisted strategy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVPP readiness:\u003c\/strong\u003e SolaX cloud supports resource aggregators using standards such as IEEE 2030.5 and OpenADR.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication interfaces:\u003c\/strong\u003e RS485, CAN, digital inputs\/outputs and Pocket communication options (e.g. Pocket‑X \/ Pocket WiFi), depending on model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical and environmental (inverter section)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical inverter dimensions (W × H × D):\u003c\/strong\u003e around 717 × 350 × 210mm for X1‑IES inverter chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter weight:\u003c\/strong\u003e typically \u0026lt; 28kg for the X1‑IES inverter unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature range:\u003c\/strong\u003e approximately −35°C to +60°C (derating above 45°C).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative humidity:\u003c\/strong\u003e 0–100% (condensing).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage temperature:\u003c\/strong\u003e −40°C to +65°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIngress protection:\u003c\/strong\u003e IP66 for the inverter unit; cabinet system designed for indoor or suitably sheltered installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise emission:\u003c\/strong\u003e typically \u0026lt; 35dB(A).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e natural cooling (fanless).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStandards and certification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e IEC 62109‑1 \/ IEC 62109‑2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelected grid and product certifications:\u003c\/strong\u003e VDE 0126‑1‑1, VDE‑AR‑N 4105, G98\/G99, AS 4777, EN 50549, CEI 0‑21 and others depending on region.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDocuments available for download\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca rel=\"noopener\" style=\"color: rgb(43, 0, 255);\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/x1-ies-datasheet-en.pdf?v=1784539956\" target=\"_blank\"\u003eSolaX X1‑IES All in One Energy Storage System – Datasheet.\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eShipping and support\u003c\/h2\u003e\n\u003cp\u003eShipping 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 \u003ca href=\"mailto:info@energian.co.uk\"\u003einfo@energian.co.uk\u003c\/a\u003e for a quotation.\u003c\/p\u003e\n\u003cp\u003eUK 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.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SolaX","offers":[{"title":"SolaX X1-IES-3.7K 3.7kW Hybrid Inverter","offer_id":57704631533950,"sku":null,"price":945.0,"currency_code":"GBP","in_stock":true},{"title":"SolaX TP-HS50E 5.1kWh Battery","offer_id":57704631566718,"sku":null,"price":1290.0,"currency_code":"GBP","in_stock":true},{"title":"SolaX TBMS-MCS0800E BMS","offer_id":57704631599486,"sku":null,"price":526.36,"currency_code":"GBP","in_stock":true},{"title":"1xSolaX X1-IES-3.7K 3.7kW Inverter + 1xSolaX 5.1kWh Battery + BMS","offer_id":57704631665022,"sku":null,"price":2837.73,"currency_code":"GBP","in_stock":true},{"title":"1xSolaX X1-IES-3.7K 3.7kW Inverter + 2xSolaX 5.1kWh Battery + BMS","offer_id":57704631697790,"sku":null,"price":4127.83,"currency_code":"GBP","in_stock":true},{"title":"1xSolaX X1-IES-3.7K 3.7kW Inverter + 3xSolaX 5.1kWh Battery + BMS","offer_id":57704631730558,"sku":null,"price":5417.73,"currency_code":"GBP","in_stock":true},{"title":"1xSolaX X1-IES-3.7K 3.7kW Inverter + 4xSolaX 5.1kWh Battery + BMS","offer_id":57704631763326,"sku":null,"price":6709.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/solax-x1-ies-inverter-3x-hs50e_3daacba2-3b02-40f8-a388-686a31f144e5.png?v=1784540942","url":"https:\/\/www.energian.co.uk\/products\/all-in-one-solax-x1-ies-hybrid-energy-storage-system-3-7w-inverter-5-1-20-4kwh-battery","provider":"Energian","version":"1.0","type":"link"}