{"catalog_name":"World Products","variant":"c","item":{"handle":"sunsynk-20-48kwh-battery-stack-with-bms-and-cabinet","title":"Sunsynk 20.48kWh Battery Stack with BMS and Cabinet","category":"Battery","category_name":null,"category_gid":null,"product_type":"Battery","vendor":"Sunsynk","price":"$3855.79","currency_code":"USD","availability":"in_stock","inventory_quantity":0,"sku":"SUN-HV-20.48-BATT","barcode":null,"variant_title":"Default Title","selected_options":{"Title":"Default Title"},"description":"Sunsynk 20.48kWh HV Battery System High-capacity: 20.48kWh storage from 4 modular 5.12kWh HV lithium batteries in Battery Cabinet with Door — ideal for homes, business and backup Robust, reliable construction with advanced BMS for safety, longevity and seamless integration with Sunsynk inverters Scalable, secure battery cabinet system for easy installation — designed for demanding UK and commercial settings Description The Sunsynk 20.48kWh High Voltage Battery System provides a complete energy storage solution combining four 5.12kWh HV Battery Modules (G20), a dedicated HV BMS, and a secure battery cabinet. This modular system is optimised for larger residential, SME, public sector, and backup applications in the UK. Featuring advanced lithium ferro-phosphate chemistry for extended cycle life and safety, it delivers reliable power, rapid installation and efficient operation alongside Sunsynk hybrid and off-grid inverters. Key Features Total usable energy: 20.48kWh system (4×5.12kWh HV modules) High-voltage design: Max 1C charge/discharge rate (up to 20.48kW), suitable for dynamic loads and fast backup Advanced BMS: Full protection, real-time monitoring, compatible with Sunsynk and other leading inverters Modular battery rack: Secure cabinet with door, keeping cells safe and installation neat Long cycle life and safety with premium LFP cells and full UK certifications Technical Specifications Battery Chemistry Lithium Ferro-Phosphate (LiFePO4) Number of Modules 4 × Sunsynk 5.12kWh Battery (G20) Module Rated Energy 5.12kWh Total System Energy 20.48kWh Nominal Module Voltage 204.8V Operating Voltage Range 164.4-233.6V Module Capacity 100Ah Nominal Charge/Discharge Rate 100A Cycle Life 6000+ cycles at 80% DoD IP Rating IP20 (cabinet/rack) Warranty 10 years Certifications IEC62619, UN38.3, EN/IEC 61000-6 Operating Temperature (Charge) 0–55°C Operating Temperature (Discharge) -20–55°C Weight (per module) Approx. 44kg Cabinet Weight Range 44–85kg (varies with battery count/type) Total System Weight (4 modules + rack) Approx. 220kg Dimensions (per module) TBA — please contact for up-to-date rack/cabinet sizing Relative Humidity Range 5–85% RH Altitude Limit ≤2000m Enclosure Type Floor/rack mount, secure metal cabinet with door Communications CAN, RS485 Protection Features Over/under-voltage, short-circuit, thermal, cell/pack balancing (managed by BMS) Applications Residential and SME energy storage for hybrid, solar and off-grid systems Commercial and public sector backup (schools, estates, care facilities) Demand management, critical infrastructure and scalable multi-rack deployments Shipping & Support Delivery available UK-wide, Ireland, Africa, the Caribbean and worldwide. If shipping rates are not shown at checkout, please ring +44 2080640335 or info@energian.co.uk for a quote. UK expert support is available – contact us by phone, email, live chat, or visit our London office for advice. We recommend installation by a trusted Sunsynk partner or certified electrician.","image_url":"https://cdn.shopify.com/s/files/1/1076/9324/4755/files/SUN-HV-20.48_127d6029-ec16-4d6a-bcaf-33d1e92d2777.webp?v=1789038726","href":"/product/sunsynk-20-48kwh-battery-stack-with-bms-and-cabinet.html","buy_url":"https://xyjpsn-3p.myshopify.com/products/sunsynk-20-48kwh-battery-stack-with-bms-and-cabinet","buy_url_source":"shops.shop_domain + product.handle","seller_name":"xyjpsn-3p.myshopify.com","seller_url":"https://xyjpsn-3p.myshopify.com/","return_policy_url":"https://xyjpsn-3p.myshopify.com/policies/refund-policy","media":[{"url":"https://cdn.shopify.com/s/files/1/1076/9324/4755/files/SUN-HV-20.48_127d6029-ec16-4d6a-bcaf-33d1e92d2777.webp?v=1789038726","alt":null,"position":0}],"related":[{"handle":"rolls-agm-s12-12v-145ah-deep-cycle-battery","title":"ROLLS S12-160AGM 12V 145Ah Deep Cycle Battery","category":"Battery","price":"$194.35","image_url":"https://cdn.shopify.com/s/files/1/1076/9324/4755/files/S12-160AGM.png?v=1789039236","sku":"S12-160AGM","href":"/product/rolls-agm-s12-12v-145ah-deep-cycle-battery.html"},{"handle":"works-with-octopus-5-15kwh-energy-storage-system-with-3-7kw-ac-charger-inverter","title":"Fox ESS AC Coupled 5-18kWh Energy Storage System with 3.7kW AC Charger Inverter","category":"Battery","price":"$1559.12","image_url":"https://cdn.shopify.com/s/files/1/1076/9324/4755/files/Fox-Hybrid-5.0kW-with-4-x-HV2600-Battery-Package.webp?v=1789039663","sku":"506053444127920","href":"/product/works-with-octopus-5-15kwh-energy-storage-system-with-3-7kw-ac-charger-inverter.html"},{"handle":"rolls-agm-s12-12v-105ah-deep-cycle-battery","title":"ROLLS AGM S12-116 12V 105Ah Deep Cycle Battery","category":"Battery","price":"$152.06","image_url":"https://cdn.shopify.com/s/files/1/1076/9324/4755/files/S12-116AGM.png?v=1789039233","sku":"S12-116AGM","href":"/product/rolls-agm-s12-12v-105ah-deep-cycle-battery.html"},{"handle":"fox-ess-ep3-3-3-13-2-kwh-high-voltage-solar-battery-system","title":"Fox ESS EP3 3.3-13.2 kWh High Voltage Solar Battery System","category":"Battery","price":"$603.11","image_url":"https://cdn.shopify.com/s/files/1/1076/9324/4755/files/Fox-EP3-3.3kWh-Battery.jpg?v=1789039416","sku":"FE-HV-EP3","href":"/product/fox-ess-ep3-3-3-13-2-kwh-high-voltage-solar-battery-system.html"}]}}