{"product_id":"solaredge-c-i-energy-storage-system-with-50-kw-ac-coupled-inverter-and-102-4-kwh-battery","title":"SolarEdge C\u0026I Energy Storage System With 50 kW AC Coupled Inverter and 102.4 (204.8) kWh Battery","description":"\u003cdiv style=\"font-size: 16px; line-height: 1.6;\"\u003e\n\u003c!-- A. Product Title \/ Heading --\u003e\n\u003ch1 style=\"text-align: center;\"\u003eSolarEdge C\u0026amp;I Energy Storage System 50 kW AC‑Coupled Inverter and 102.4 kWh Battery\u003c\/h1\u003e\n\u003c!-- B. Key value proposition --\u003e\n\u003cul\u003e\n\u003cli\u003ePre‑assembled, factory‑tested AC‑coupled storage cabinet for commercial and industrial sites, designed for quick installation indoors or outdoors.\u003c\/li\u003e\n\u003cli\u003eOne or two (\u003cspan\u003eSolarEdge Cabling extension kit is included) 102.4 kWh LFP battery cabinets\u003c\/span\u003e paired with a single 50 kW battery inverter to support self‑consumption, peak shaving, tariff optimisation and selected microgrid applications. \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBuilt‑in fire detection, dual fire suppression and comprehensive electrical protection, backed by a 10‑year product and performance warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- C. Brief Description --\u003e\n\u003ch2\u003eCommercial and industrial storage \u003c\/h2\u003e\n\u003cp\u003eThe SolarEdge CSS–OD C\u0026amp;I Energy Storage System combines one or two 102.4 kWh outdoor battery cabinet (CSS‑OU‑20) with a 50 kW AC‑coupled battery inverter (PCS050) to form a turnkey storage solution for commercial and industrial sites. It is designed to integrate with SolarEdge PV systems, helping businesses reduce grid consumption, manage demand peaks and increase resilience during grid disturbances or outages (with the appropriate SolarEdge Commercial Backup Interface where required).\u003c\/p\u003e\n\u003c!-- D. Key features --\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC‑coupled commercial storage:\u003c\/strong\u003e connects to an AC‑coupled SolarEdge PV system, with up to two battery cabinets per inverter and system‑level scaling towards 1 MWh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimised energy management:\u003c\/strong\u003e powered by the SolarEdge ONE optimisation platform to manage energy production, storage and consumption, supporting self‑consumption and, via future firmware updates, peak shaving and tariff optimisation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrogrid‑ready architecture:\u003c\/strong\u003e supports selected microgrid applications when used with the separate SolarEdge Commercial Backup Interface, including fast switchover to backup power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh safety and resilience:\u003c\/strong\u003e LFP chemistry, dual‑cluster cabinet topology, integrated fire detection and double fire suppression, plus earth‑fault, leakage‑fault and surge protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle‑vendor C\u0026amp;I solution:\u003c\/strong\u003e PV, storage, optimisation platform, warranty and training from one manufacturer, simplifying design, commissioning and long‑term support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- E. Technical specifications --\u003e\n\u003ch2\u003eTechnical specifications - Battery\u003c\/h2\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCell chemistry:\u003c\/strong\u003e LFP.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal battery capacity:\u003c\/strong\u003e 102.4 kWh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsable battery capacity:\u003c\/strong\u003e 97.28 kWh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery module total capacity:\u003c\/strong\u003e 5.12 kWh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of modules:\u003c\/strong\u003e 10 + 10 (structured in two clusters providing 1 + 1 redundancy topology).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum C‑rate (charge\/discharge):\u003c\/strong\u003e 0.5 C‑rate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating voltage:\u003c\/strong\u003e 456 – 576 V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC auxiliary input:\u003c\/strong\u003e 220 ±15 % \/ 50 Hz, 220 ±10 % \/ 60 Hz (required for battery cabinet HVAC operation).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical specifications – battery cabinet\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery cabinet dimensions (W × D × H):\u003c\/strong\u003e 1100 × 930 × 2380 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery cabinet weight:\u003c\/strong\u003e 1421 kg.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP protection:\u003c\/strong\u003e IP54.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e C4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling method:\u003c\/strong\u003e built‑in HVAC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHVAC refrigerant \/ refrigerant weight:\u003c\/strong\u003e R134a \/ 650 g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise:\u003c\/strong\u003e 65 dBA (measured 1 metre from a single CSS‑OD battery cabinet and battery inverter).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStandard compliance – battery cabinet\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e IEC 62619 including section 7.3.3.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIngress protection:\u003c\/strong\u003e IEC 60529.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransportation:\u003c\/strong\u003e UN 38.3.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmissions:\u003c\/strong\u003e EN \/ IEC 61000‑3‑3, EN \/ IEC 61000‑6‑2, EN \/ IEC 61000‑6‑4.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental specifications – battery cabinet\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e −20 to 45 °C (power derating may apply in the range of −20 to −10 °C).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating humidity:\u003c\/strong\u003e 5 – 95 % (non‑condensing).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum operating altitude:\u003c\/strong\u003e 3000 m.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistance to coastline:\u003c\/strong\u003e ≥1 km indoor \/ ≥2 km outdoor (waivers may apply for 1.5–2 km outdoor or 0.7–1 km indoor at SolarEdge’s discretion).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty – battery cabinet\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e 10 years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e 6000 cycles or 10 years up to 70 % state of health (SoH).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications – Inverter \u003c\/h2\u003e\n\u003ch3\u003eAC specifications (on‑grid \/ backup)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated AC active power output:\u003c\/strong\u003e 50 kW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum AC apparent output power:\u003c\/strong\u003e 55 kVA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum continuous output current (per phase):\u003c\/strong\u003e 80 A AC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum inverter efficiency:\u003c\/strong\u003e 97.5 %.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC output voltage – line to line \/ line to neutral (nominal):\u003c\/strong\u003e 400 \/ 230 V AC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC output voltage – line to line \/ line to neutral (range):\u003c\/strong\u003e 340 – 440 \/ 196 – 253 V AC (applicable only in on‑grid mode; during backup the output voltage is 400 V).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC frequency:\u003c\/strong\u003e 50 \/ 60 ± 5 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC line:\u003c\/strong\u003e 3W + PE \/ 4W + PE (compatible with Delta and WYE grid types; when connected in a backup topology with the Commercial Backup Interface, only 3W + PE are used).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal harmonic distortion:\u003c\/strong\u003e \u0026lt;3 %.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower factor range:\u003c\/strong\u003e −1 to 1, leading or lagging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn‑grid to off‑grid maximum switchover time:\u003c\/strong\u003e \u0026lt;20 ms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall response time:\u003c\/strong\u003e ≤~1.2–1.5 s (depending on configuration: 1 × battery inverter \u0026amp; 1–2 × battery cabinets vs multiple inverters with multiple cabinets).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDC specifications – battery inverter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum DC input power:\u003c\/strong\u003e 55 kW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum DC current:\u003c\/strong\u003e 55 × 2 A DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of DC input interfaces:\u003c\/strong\u003e 2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum paralleled battery cabinets on one battery inverter:\u003c\/strong\u003e 2 (a cabling extension kit CSS‑O1‑C‑B01‑XX is required when paralleling two cabinets).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended ratio:\u003c\/strong\u003e maintain 1:1 or 2:1 ratio of battery cabinets to battery inverter within a site to ensure optimal performance; uneven cabinet distribution can affect discharge over 2 hours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety features – battery inverter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse polarity protection:\u003c\/strong\u003e yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrid monitoring:\u003c\/strong\u003e yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarth fault protection:\u003c\/strong\u003e yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarth leakage protection:\u003c\/strong\u003e yes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC surge protection:\u003c\/strong\u003e Type II integrated, 20\/40 kA (In\/Imax).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC surge protection:\u003c\/strong\u003e Type III integrated, 10\/20 kA (In\/Imax).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommunication – battery inverter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication ports:\u003c\/strong\u003e RS‑485 \/ CAN.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical specifications – battery inverter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter dimensions (W × D × H):\u003c\/strong\u003e 650 × 324 × 715 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInverter weight:\u003c\/strong\u003e 68 kg.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP protection:\u003c\/strong\u003e IP65.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling method:\u003c\/strong\u003e air cooling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC input cable cross‑section \/ lugs size:\u003c\/strong\u003e 25–35 mm² \/ M6 (copper, multi‑stranded class 6 conductors recommended).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStandard compliance – battery inverter\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\u003eEmissions:\u003c\/strong\u003e IEC 61000‑6‑4, IEC 61000‑3‑11, EN \/ IEC 61000‑3, CISPR 11.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrid connection:\u003c\/strong\u003e VDE AR‑N‑4105, VDE AR‑N 4110, TOR A, CEI‑016, CEI 0‑21, EN \/ IEC 50549‑1\/10, RfG, NC RfG, PTPiREE, UNE 217001, UNE 217002, NTS631V2.1 SEPE; TED\/749\/2020, NTS631V1.1 SENP; TED\/749\/2020, G99 Type A and Type B, NRS 097‑2‑1:2017 Edition 2.1, NRS 097‑2‑1:2024 Edition 3.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental specifications – battery inverter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e −20 to 45 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating humidity:\u003c\/strong\u003e 5 – 95 % (non‑condensing).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum operating altitude:\u003c\/strong\u003e 3000 m.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty – battery inverter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e 10 years (refer to SolarEdge Limited Product Warranty for details, conditions and exclusions).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- F. Shipping and support --\u003e\n\u003ch2\u003eShipping and UK 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 2080 640335 or \u003ca href=\"mailto:info@energian.co.uk\"\u003einfo@energian.co.uk\u003c\/a\u003e for a quote.\u003c\/p\u003e\n\u003cp\u003eUK expert support is available – contact Energian with any questions or support requests via phone, email or live chat, or visit our office for an in‑person consultation to review your SolarEdge C\u0026amp;I storage project, including PV sizing, backup requirements and DNO\/Grid Code considerations.\u003c\/p\u003e\n\u003c!-- Documents section --\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 href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/se-css-od-battery-cabinet-and-battery-inverter-datasheet-eng_8ab6a6b5-aff9-4b2a-9677-bc27e2155a0f.pdf?v=1782130635\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003eSolarEdge CSS–OD Battery Cabinet 102.4 kWh \/ Battery Inverter 50 kW datasheet (CSS‑OU‑20 \/ PCS050).\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/se-solaredge-css-on-grid-quick-installation-guide-eu_58ad3059-f987-4cc4-9a06-dd3a1f0c4f61.pdf?v=1782131084\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003eSolarEdge CSS–OD installation and user manual for commercial storage systems.\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/se-solaredge-home-backup-interface-three-phase-datasheet-eng.pdf?v=1782131355\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\" target=\"_blank\"\u003eSolarEdge Commercial Backup Interface datasheet and installation manual (for sites requiring backup and microgrid functionality).\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SolarEdge","offers":[{"title":"50 kW AC Coupled Inverter and 1 x 102.4 Batteries","offer_id":57596352102782,"sku":"CSS-OU-20-PCS051","price":37616.85,"currency_code":"GBP","in_stock":true},{"title":"50 kW AC Coupled Inverter and 2 x 102.4 kWh Batteries","offer_id":57596352135550,"sku":"CSS-OU-20-PCS050","price":71839.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/7927\/3414\/files\/solar-edge-102.4kwh.png?v=1782132292","url":"https:\/\/www.energian.co.uk\/products\/solaredge-c-i-energy-storage-system-with-50-kw-ac-coupled-inverter-and-102-4-kwh-battery","provider":"Energian","version":"1.0","type":"link"}