Sunsynk 61.44kWh HV Battery System Ultra-high 61.44kWh storage with 12x Modular HV lithium batteries – suitable for large UK sites and critical backup Built to last: advanced BMS control, long cycle life and robust cabinet – works seamlessly with Sunsynk HV inverters Scalable solution with professional battery rack for secure, neat installation and long-term reliability Description The Sunsynk 61.44kWh High Voltage Battery System comprises twenty Sunsynk 5.12kWh Single Battery Units (Module G60), 1 HV series BMS and a pro-grade rack cabinet with locking door. Designed for large residential, SME, commercial and public sector energy storage, this modular lithium system achieves high power and safety standards. Advanced BMS ensures optimal performance, extended life and full system protection, creating a future-proof solution for demanding UK and global projects. Key Features Total usable energy: 61.44kWh per system (20×3.072kWh HV modules) Maximum charge/discharge rate: 1C – rapid response for dynamic loads and backup HV BMS: advanced management for full protection, cell balancing and safe integration Pro-grade cabinet: robust rack mount solution supports secure operation and expansion Tested safety and performance with premium LFP chemistry and UK certifications Technical Specifications Battery Chemistry Lithium Ferro-Phosphate (LiFePO4) Number of Modules 20 × Sunsynk 5.12kWh Battery (G60) Module Rated Energy 5.12kWh Total System Energy 61.44kWh Nominal System Voltage 538–691V Module Capacity 100Ah Max Charge/Discharge Current 100A (1C per module system) Operating Temperature Range (Charge) 0–55°C Operating Temperature Range (Discharge) -20–55°C Cycle Life 6000+ cycles at 80% DoD IP Rating IP20 (cabinet/rack) Warranty 10 years Certifications IEC62619, UN38.3, EN/IEC 61000-6 Total System Weight (20 modules + rack) Approx. 628kg Weight per Module approx. 44kg Rack Weight 44–85kg (varies by configuration) Cabinet Dimensions (W×H×D) 589×590×2240mm (typical) Altitude Limit ≤2000m Relative Humidity Range 5–85% RH Enclosure Type Secure, pro-grade battery rack with door BMS Functions Cell balancing, over/under-voltage, short-circuit, thermal protection Communications CAN, RS485 Applications Large residential, SME and estate energy storage (hybrid/off-grid) Commercial, public sector and campus backup projects Critical infrastructure, rapid load management, scalable deployments Shipping & Support Delivery available UK-wide, Ireland, Africa, the Caribbean and worldwide. If shipping rate not shown at checkout, ring +44 2080640335 or [email protected] for a quote. UK expert support is available – contact by phone, email, live chat or visit our London office for support and advice. Professional installation recommended. Documents available for download Sunsynk HV Series Battery Datasheet (PDF)
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