Fogstar Energy IP65-Rated 10kWh 51.2V Modular Battery Stack 10kWh, 51.2V LiFePO4 modular battery stack for robust off‑grid, backup and commercial storage applications, indoors or outdoors thanks to its IP65 enclosure. High-output 200Ah / 200A battery with built-in low-temperature heating and automatic fire suppression for safe operation in demanding UK and global environments. Scalable up to 16 units in parallel, with preloaded inverter protocols for leading 48V LV inverters including LuxPower, Sunsynk, Solis, Victron and more. Fogstar Energy IP65-Rated 10kWh 51.2V Modular Battery Stack This Fogstar Energy IP65-rated 10kWh 51.2V modular battery stack is a wall-mountable LiFePO4 storage unit designed for homes, small commercial sites and logistics operations that need dependable power in tough conditions. The fully sealed IP65 housing, integrated fire suppression and low-temperature heating make it well-suited to plant rooms, warehouses, workshops and sheltered external locations where safety and reliability are critical. With 200Ah capacity and up to 200A discharge current, it pairs comfortably with modern hybrid and off-grid inverters for applications such as backup power for offices or depots, EV charger load support, small warehouses, telecoms cabins and remote monitoring sites. Parallel expansion up to 16 units allows you to build multi‑battery stacks for higher capacity systems as site demand grows. Key features IP65 weather-resistant enclosure for flexible indoor or outdoor installation in dusty or damp environments, such as plant rooms, workshops and covered service yards. 10kWh usable storage at 51.2V with 200Ah capacity and up to 200A continuous discharge for high-demand inverters and whole-house or small commercial backup loads. Long-life LiFePO4 chemistry with around 6,000 cycles at 91% DOD and a design life of 15 years, supporting long-term projects and commercial deployments. Integrated low-temperature heating enables safe charging at 0°C and reliable operation down to –20°C, ideal for unheated industrial spaces and UK winters. Automatic aerosol fire suppression system inside the case for rapid, no-maintenance fire response in enclosed electrical spaces. Preloaded inverter protocols and CAN / RS485 communication for popular LV inverters including LuxPower, Sunsynk, Solis, Victron and others, switched via the LCD touchscreen. Scalable parallel connectivity – connect up to 16 identical units in parallel (series connection is not supported) for larger commercial and industrial systems. Includes wall-mounting bracket, 1.5m Amphenol power cables, 1.5m comms cable and 1.8m PC cable for straightforward integration and setup. Supplied with 6‑year warranty and 10‑year customer support from the manufacturer, when installed and used in line with their terms. Technical specifications Electrical Battery chemistry: LiFePO4. Rated energy: 10kWh. Nominal voltage: 51.2V. Operating / maximum charge voltage: bulk 57.6V, float 55.2V, operating window typically 42V–58.2V. Nominal capacity: 200Ah. Minimum capacity: 200Ah (stated). Total stored energy: 10,240Wh. Maximum charge current: 200A. Maximum discharge current: 200A. Discharge cut-off voltage: 43.2V. Cycle life: 6,000 cycles at 91% depth of discharge (DOD), when operated within specified conditions. Design life: 15 years. Cell configuration: 2P16S. BMS: SEPLOS 200A intelligent BMS with cell-level voltage, current and temperature monitoring. Environmental and operating conditions Discharge temperature range: –20°C to 40°C. Charging temperature range: –10°C to 40°C (with integrated heating allowing safe charge at 0°C). Recommended working temperature (manual): 0–40°C charge and –20°C–40°C discharge. Storage temperature (1 month): –10°C to 35°C. Storage temperature (3 months): around 25 ±2°C. Relative humidity (storage/operation): 65% ±10% for the battery, up to 95% for the fire suppression device as specified. Ingress protection rating: IP65 (sealed enclosure, dust-tight and protected against low-pressure water jets). Mechanical Approximate dimensions: 550mm (L) × 175mm (W) × 904mm (H). Weight: 98kg. Mounting: wall mounting bracket supplied; unit is heavy and requires appropriate lifting and fixing methods. Connectivity and communications Communication ports: CAN, RS485. External comms port: combined CAN/485 interface for inverter connection. Internal RS485 ports: RS485 A and RS485 B for parallel communication and addressing. Parallel communication: standard network cables, RS485-B of one unit to RS485-A of the next. Parallel capacity: up to 16 identical units in parallel; series connection is not allowed. Preloaded inverter protocols: compatible with multiple low-voltage inverters including, but not limited to, LuxPower, Sunsynk, Solis, Victron and more. Protocol selection: via front LCD touchscreen, no external software download required. Integrated protection and control Automatic BMS protections for over-voltage, under-voltage, over-current, short circuit, over-temperature and under-temperature on both cells and MOSFETs. Ambient and MOSFET temperature monitoring with automatic charge/discharge inhibition outside allowed ranges. Cell balancing: active energy-consumption balancing from about 3.4V per cell with typical equalisation current around 50mA. Pre-charge function to prevent nuisance trips when connecting to capacitive loads. Automatic address assignment in parallel banks; no DIP switch configuration required. One-button on/off control with coordinated host–slave shutdown and startup in multi-battery systems. Front-mounted LCD touch display for state-of-charge, alarms and configuration. Internal 250A breaker for isolation during maintenance or fault conditions. Fire suppression system Type: compact, heat-activated aerosol fire suppression unit for enclosed electrical spaces. Activation temperature: approximately 170°C. Operation: releases a potassium-based aerosol which disrupts combustion chemistry and rapidly suppresses fire inside the enclosure. Discharge duration: around 3 seconds (device spec). Agent mass and physical dimensions given in the fire suppression module specification within the manual. Accessories supplied 1.5m positive and negative power cable harness with Amphenol connectors (2 pcs). 1.5m communication cable for CAN/RS485. 1.8m PC communication cable for configuration, monitoring and diagnostics via a suitable USB–RS485 adapter (not included). Wall mounting bracket. System design and installation notes For 48V nominal systems only; do not connect in series or mix with other chemistries or different battery models. Maintain at least 30cm clearance around the battery for ventilation and service access. Install on a level, non-flammable surface or appropriately rated wall, away from direct heat sources, flammable materials, children and animals. Use appropriately sized cables, overcurrent protection and earthing, and ensure all negative conductors are connected before positive. Installation, wiring and commissioning should be carried out by a qualified, competent person familiar with UK wiring regulations and relevant standards. Warranty (manufacturer) Battery warranty: 6 years. Customer support: 10 years of technical support. Coverage: BMS failure, cell failure, temperature sensors, charging/discharging faults and internal corrosion, subject to terms. Exclusions: misuse, tampering, incompatible systems and accidental damage. Shipping Shipping 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 quote. UK expert support Energian provides UK-based technical support to help you specify, integrate and commission Fogstar Energy IP65-rated 10kWh 51.2V modular battery stacks in new or existing systems. For larger projects or where you need a complete solution with inverter, protection and controls, 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 system design, compatibility and installation options. Documents available for download Fogstar Energy IP65-Rated 10kWh 51.2V Battery – Specifications (PDF) Fogstar Energy IP65-Rated 10kWh 51.2V Battery – User / Installation Manual (PDF)
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