Fogstar Energy IP65-Rated 16.1kWh 51.2V Solar Battery High-capacity 16.1kWh, 51.2V LiFePO4 solar battery with IP65 enclosure for reliable indoor or outdoor energy storage in UK homes, businesses and logistics sites. Integrated heating, active balancing and PACE 200A BMS deliver long cycle life, strong performance and stable operation from –20°C to 60°C. Scalable up to 15 batteries in parallel with wide inverter compatibility via CAN, RS485 and RS232, ideal for larger commercial and industrial systems. Fogstar Energy IP65-Rated 16.1kWh 48V Solar Battery The Fogstar Energy IP65-rated 16.1kWh 48V solar battery is a heavy-duty, floor-standing LiFePO4 storage unit designed for demanding UK residential, commercial and industrial applications. With 16,076.8Wh usable capacity, integrated heating and a sealed IP65 enclosure, it suits garages, plant rooms, warehouses and covered outdoor locations where reliability and safety are essential. A 200A PACE BMS, 2A active balancer and built-in aerosol fire suppression support long-term performance and protection, backed by a 10‑year manufacturer warranty. For larger systems, up to 15 units can be paralleled, making this solar battery a strong fit for backup power, peak shaving, EV charger support and off-grid or hybrid systems. Key features 16.1kWh LiFePO4 battery at 51.2V nominal, providing 16,076.8Wh of storage for whole-house, small commercial and light industrial loads. IP65-rated steel enclosure for dust-tight, water-jet resistant installation in garages, plant rooms, workshops and sheltered outdoor areas. PACE 200A BMS with 2A active balancer and Grade A LiFePO4 cells rated for up to 8,000 cycles at 80% DOD (95% DOD as of February 2026). Integrated heating system allows safe charging at 0°C and reliable operation down to –20°C, supporting unheated spaces and UK winter conditions. Built-in aerosol fire suppression system inside the case provides automatic, zero-maintenance protection in the event of an internal fire. Preloaded inverter protocols and multiple comms ports (CAN, RS485, RS232) for straightforward integration with popular LV inverters including Victron, Luxpower, Sunsynk, Solis and others. Parallel-ready design: connect up to 15 identical batteries in parallel for large capacity systems; series connection is not supported. Technical specifications Headline data Energy: 16.1kWh (16,076.8Wh). Nominal voltage: 51.2V. Chemistry: LiFePO4. Capacity: 314Ah (nominal and minimum). IP rating: IP65. Electrical performance Rated voltage: 51.2V. Maximum charge voltage: 57.6V. Bulk/absorption voltage: 57.6V. Float voltage: 55.2V. Low DC cut-off: 43.2V. Nominal capacity: 314Ah. Minimum capacity: 314Ah. Total energy: 16,076.8Wh. Maximum charge current: 200A. Maximum discharge current: 200A. Active balancer current: 2A (JK active balancer). Cell configuration: 16S1P. Battery management and cells BMS type: PACE 200A. Balancer: 2A active balancer. Cell type: Grade A EVE MB31 LiFePO4 cells (as per manufacturer description). Design life: 15 years. Cycle life: 8,000 cycles at 80% depth of discharge (95% DOD as of February 2026, per manufacturer testing). Temperature and environmental Discharge temperature: –20°C to 60°C. Charging temperature: –20°C to 45°C (heater enabled). Heater function: integrated heating system activates below 5°C, enabling safe charging at 0°C and reliable operation down to –20°C ambient. Storage temperature (1 month): –20°C to 60°C. Storage temperature (1 year): 0°C to 35°C. Relative humidity: 45% to 85%. Ingress protection rating: IP65 (sealed enclosure, dust-tight and protected against low-pressure water jets). Mechanical and dimensions Dimensions: 500mm (L) × 232mm (W) × 915mm (H). Weight: 128.8kg. Front panel layout: power button, integrated 250A breaker, positive and negative terminals, CAN/RS485/RS232 ports. Form factor: free-standing cabinet with IP65 enclosure, designed for floor installation and secure positioning. Connections and communications Communication ports: CAN, RS485, RS232. RS485A and RS485B ports for parallel communication between batteries. CAN port for inverter and system integration. Preloaded inverter protocols: compatible with multiple LV inverters including Sunsynk, Solis, Victron, Luxpower, Sofar and more (per manufacturer documentation). Inverter protocol selection via LCD touchscreen; no external software downloads required. Fire suppression Built-in fire suppression unit: ultra-thin, automatic aerosol device mounted inside the battery enclosure. Activation temperature: approximately 170°C. Suppression medium: potassium-based aerosol designed to disrupt combustion chemistry and suppress internal fires rapidly. Maintenance: sealed, non-serviceable unit providing automatic protection for enclosed electrical spaces. Parallel connectivity and system expansion Parallel connectivity: up to 15 identical 16.1kWh batteries can be connected in parallel. Series connection: not supported; use only in 51.2V (48V nominal) systems. Battery connections: supplied 1.5m battery cables with Amphenol connector for reliable battery-to-battery power linking. Communication cables: 1.5m RS485/CAN cable and 1.8m PC cable included for configuration and diagnostics. Installation note: always connect all negative conductors first, then positive. Safety and handling Significant weight (128.8kg); manufacturer guidance is to use at least six people or appropriate lifting equipment for safe handling, in line with safety regulations. Install only in suitable environments by a qualified person, following all relevant electrical codes and standards. Use only with compatible 51.2V systems; never connect in series or mix with other chemistries. Ensure correct grounding, polarity, programming, cabling, torque and overcurrent protection. Keep away from heat sources, hazards, pets and children; in case of overheating or burning smells, trip the breaker and contact emergency services. Cleaning: dry cloth only; do not use liquids, solvents or aerosols. Warranty (manufacturer) Battery warranty: 10 years. Coverage: BMS failure, cell failure, temperature sensors, charging/discharging faults and internal corrosion, subject to the manufacturer’s terms. Support contact (manufacturer): [email protected], 01527 757980 (for warranty claims to Fogstar). Shipping 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 2080640335 or [email protected] for a tailored quote. UK expert support Energian offers UK-based expert support to help you specify, design and deploy Fogstar Energy IP65-rated 16.1kWh 48V solar batteries in new or existing systems. For complete solutions that include inverters, switchgear and on-site installation, we can arrange installation through trusted specialist partners. Contact us by phone, email or live chat, or visit our office for an in-person consultation to discuss suitability, system sizing, inverter pairing and installation requirements for your project. Documents available for download Fogstar Energy IP65-Rated 16.1kWh 48V Solar Battery – Specifications Datasheet (PDF) Fogstar Energy IP65-Rated 16.1kWh 48V Solar Battery – Installation & User Manual (PDF)
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