Sigenergy Inverter and Battery
Sigenergy SigenStor 12kW Inverter & 36kWh Battery Package – Battery Storage Only (Supply & Installation)
Flagship Maximum-Capacity Storage Solution (Tier 4 of 4)
Reach total grid tariff independence with our ultimate flagship Sigenergy SigenStor Battery Storage System. Powered by a commercial-grade 12kW inverter, this tier features a massive 36kWh battery storage tower (4x stacked 9kWh modules)—engineered for large estates, multi-EV homes, heat pumps, or high-demand properties seeking complete off-peak energy leverage.
System Hardware Breakdown
1. Sigenergy SigenStor 12kW Hybrid Inverter (Energy Controller)
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12kW Power Capacity (55A AC Output): Delivers a massive 55-amp continuous AC output—providing unmatched throughput to run multiple high-power domestic loads (heat pumps, multiple EV chargers, electric hobs, and home saunas) simultaneously without grid assistance or bottlenecking.
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Modular Stackable Design: Components stack seamlessly together with concealed internal connections—eliminating external cabling runs, isolator clutter, and pipework for an ultra-clean architectural finish.
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IP66 All-Weather Rating: Heavy-duty enclosure engineered for flexible indoor plant room or direct outdoor installation in all weather conditions.
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Modular Expansion: Integrated provisions allow easy addition of extra battery modules straight onto the stack as your energy needs grow.
2. Sigenergy 36kWh LFP Battery Storage (4x 9kWh Stacked Battery Modules)
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Usable Capacity: Unmatched 36kWh total energy capacity using ultra-safe, long-life Lithium Iron Phosphate (LiFePO4) cell technology.
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Maximum Off-Peak Arbitrage: Holds enough low-cost energy to run a large 5–6+ bedroom home through multiple peak energy rate periods without drawing from the mains grid.
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Multi-Layer Thermal Protection: Built-in internal fire-extinguishing protection, cell thermal isolation, and real-time automated safety monitoring on each module.
Optional System Add-Ons Available
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Sigenergy 12kW DC Bi-Directional EV Charger: Stacks directly onto the SigenStor tower for ultra-fast DC vehicle charging straight from your battery array, complete with Vehicle-to-Home (V2H) and Vehicle-to-Grid (V2G) bi-directional capability.
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Sigenergy Sigen Gateway (Whole-Home Backup Power): Provides seamless micro-second automatic switchover to keep your home fully powered during grid power cuts and outages.
AI Smart Control (mySigen App)
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AI Tariff Optimisation: Automatically adapts to your usage habits and electricity pricing schedules to optimise energy storage and usage.
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Smart Tariff Sync: Connects directly with dynamic off-peak tariffs (such as Intelligent Octopus Go, Octopus Flux, or E.ON Next Drive) to automatically charge the battery at the lowest rates and power your home through expensive peak periods.
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Live Monitoring: Track battery level, home usage, grid imports, and financial savings live on your smartphone.
Estimated Annual Savings
By storing 36kWh of low-cost overnight power and running your entire property on off-peak rates during daytime and peak hours:
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Estimated Bill Savings: £1,700 – £2,500+ per year (based on a high-consumption UK property utilising smart off-peak rates year-round).
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Peak Grid Reliance Reduction: Reduces expensive peak mains grid electricity dependency by up to 85%–95%.
Warranties & Our 10-Year Workmanship Guarantee
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Morgan Energy 10-Year Workmanship Guarantee: Every electrical connection, isolation device, AC consumer unit integration, and commissioning step is fully backed by our local Peterborough team for 10 years.
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Sigenergy Hardware: 10-Year Manufacturer Warranty on the Inverter and Battery Stack (guaranteeing at least 70% battery capacity retention at 10 years).
Standard Supply & Installation Package Included
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Complete Turnkey Installation: Inverter and battery stack assembly, AC wiring, and connection to your property’s distribution board.
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DNO Grid Approvals: All G99 grid applications handled directly by our team.
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50-Mile Local Service Area: Covers all properties within 50 miles of Peterborough.
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Full Certification: Delivered with a comprehensive Electrical Installation Certificate (EIC).







