Off-Grid Hybrid Energy Storage System with RIIO SUN II 8kW 48V Inverter, 10/15/20kWh LiFePO4 Batteries, and (Optional) 9.0kW Solar Panels and 8.8kW Generator
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Reliable Power for Off-Grid Businesses and Homes Take advantage of this robust and cost-effective off-grid battery energy storage system to store energy from low-cost sources, such as solar panels or a generator, and access electricity whenever you need it, day or night. Power Your Site or Home with Our Off-Grid Hybrid Storage Solution This 8kW Off-Grid Hybrid Energy Storage System, with 10/15/20kWh LiFePO4 batteries, optional 9.0kW solar array, and 8.8kW generator (10/15/20kWh LFP ESS), includes: 2, 3 or 4 TBB Renewable ES100-II 5.05kWh LiFePO4 Batteries (other capacities available on request), 1x RIIO SUN II Off-Grid Hybrid 8000W 48V Pure Sine Wave Inverter/Charger, Complete set of cables, connectors, disconnectors, and accessories, Optional: 2 strings of 10x DMEGC 450W N-type Double Glass Bifacial Solar Panels, each string in two parallel groups of five, Optional: Excel XL10000i 8800W Inverter Generator. Efficient and Cost-Effective Energy Management The 10/15/20kWh LFP battery bank supports reliable, 24/7 off-grid power. When paired with solar and a generator, this system helps reduce running costs, avoids power cuts, and increases independence from the grid. Use to the system's monitoring with TBB E4 LCD Monitor. The TBB E4 LCD Monitor is an advanced, touch-enabled central display designed for intuitive, real-time control and monitoring of TBB’s off-grid and energy storage systems. Seamlessly connecting to the TBB NOVA online portal, the E4 monitor enables both local and remote management, giving users complete oversight of their energy systems. The system includes cables, disconnectors, and accessories to complete your installation. User manuals and wiring diagram included. Mounting not included—select a suitable system here or contact us for advice. Installation Safety Requirements Battery systems installed in or near homes must comply with PAS 63100:2024 – Fire Safety for Residential Battery Systems. Flexible and Safe Installation Install batteries outdoors where possible, using an IP65 weatherproof cabinet that holds up to 4 US5000 batteries. Monitor performance remotely via smartphone or web portal. The system must be installed by a qualified electrician. For residential use, see official guidance here. Need help with installation? Contact us at [email protected] or call 020 8064 0335 for a quote. ▼ 10/15/20KWH LFP ESS Features TBB RENEWABLE ES100-II LFP BATTERIEY: Utilises lithium iron phosphate (LiFePO4) cells, providing superior safety and longevity compared to traditional battery technologies. Automatically assigns communication addresses to slave modules, making the parallel connection process straightforward and efficient. Capable of short-time high-current charge and discharge with an impressive 90% depth of discharge (DoD) and a lifespan of up to 6,000 cycles. Each battery pack includes an advanced Battery Management System (BMS) for effective monitoring and management of modules. Warranty: 5 years. RIIO SUN II Off-Grid 8000W 48V Pure Sine Wave Inverter ChargerThis innovative unit combines the functions of an 8000W pure sine wave inverter, a 100A MPPT solar charge controller (two trackers), and a 90A mains/generator battery charger in a single device. The inverter is compatible with input from 4,400W solar panels, mains power, a generator, or a battery, with the flexibility to use one or multiple input sources simultaneously. The AGS (Automatic Generator Start) function is explicitly available on the RiiO Sun II series allowing the inverter to automatically start and stop a generator based on system conditions such as low battery voltage. With hybrid capabilities, advanced communication functions, and highly customisable settings, the inverter delivers 8,000W of continuous AC power and up to 16,000W during peak demand to power appliances like pumps, vacuum cleaners, or power tools. The built-in 100A MPPT solar charge controller (consists of two trackers) maximises solar panel efficiency (up to 98%) and offers comprehensive safety features, including overcharge, overheating, and reverse current protection. Its LCD screen displays real-time performance data for the solar array. The integrated 90A smart battery charger ensures safe, efficient, and unattended charging from mains power or a generator, with multiple charging stages and overcharge protection. Optional DMEGC 450W solar panels offer high 22.5% efficiency, excellent durability, and cost-effectiveness with an appealing payback period. With a heavy snow load capacity of 5,400Pa and a wind load of up to 2,400Pa, they are ideal for domestic, agricultural, or garden office installations. The panels feature a black frame and come with a 30-year product warranty. Optional EXCEL POWER XL10000i 8800W petrol inverter generator is a top-of-the-range portable generator from Hyundai. Providing a convenient and cost-effective source of power, this quiet inverter generator has an impressive maximum output of 8,800W / 8.8kW, and continuous power rating of 8,200W / 8.2kW. FREE 2-3 WORKING DAYS' DELIVERY within the UK (longer to the Highlands, islands and Northern Ireland). ▼ 10/15/20KWH LFP ESS Specifications DMEGC 450W N-TYPE DOUBLE GLASS BIFACIAL MC4-EVO2 SOLAR PANEL Rated (peak) power (Wp): 450W in Standard 1000w/m2 solar light Open circuit voltage (Voc): 40.25V (Vmp =33.91V) Short circuit current (Isc): 14.17A (Imp = 13.27A) Efficiency: 22.5% Cell type: Mono-crystalline Silicon Connector type: MC4-EVO2 Certification: IEC 61215 / IEC 61730 / CE Panel size: 1762 X 1134 X 30 mm Net weight: 24.5kg RIIO SUN II 8.0kW 48V SINGLE PHASE OFF-GRID HYBRID INVERTER WITH 100A MPPT SOLAR CONTROLLER & 90A AC CHARGER Nominal battery voltage: 48Vdc Continuous power output: 8000W/8000VA 220-240VAC 50Hz Peak power: 16000VA Output waveform: Pure sine wave Maximum PV input power: 4400W per tracker (8800W total) Maximum PV input current per tracker: 36A Maximum PV short circuit current per tracker: 40A Maximum PV open circuit input voltage (Voc): 250V Solar MPPT operating voltage: 65-245V DC Maximum solar charging current: 100A (50A + 50A trackers) Maximum mains AC charging current: 90A Peak efficiency: 95% Operating temperature: -20°C to 65°C Size: 620 x 320 x 164 mm Net Weight: 34kg TBB RENEWABLE ES100-II 5.05KWH LiFePO4 (LFP) SOLAR BATTERY Battery type: Lithium-Ferro-Phosphate (LFP) Nominal capacity: 5040Wh Usable capacity: 4536Wh Nominal voltage: 48V Charge/discharge current: Recommended: 52.5A; Max. 105A Design life: 15+ years at 25°C Communication port: RS485, CAN Cycle Life: 6,000+ cycles (at 25°C, at 90% depth of discharge) Installation location: Indoor Cooling: Natural Parallel quantity: up to 32 Operating temperature: Charge at 0°C to ~ +55°C; discharge at -20°C to ~ +55°C IP rating: IP20 Net weight: 40kg Size: 482.6 x 133.4 x 450 mm EXCEL POWER XL10000i 8800W PETROL INVERTER GENERATOR Model: Excel XL10000i Maximum power: 8,800W/8.8kW Continuous power: 8,200W/8.2kW Fuel consumption: ≤370g/kWh Phase: Single Voltage: 240VAC Frequency: 50Hz Engine model: Senci SV460B Engine type: 4-Stroke Forced Air-Cooled Engine size: 359cm3 Max power output: 16hp Fuel: Petrol Fuel capacity: 27L Engine oil: 10w40 / 10w40 / 15w40 / 15w40 Engine oil capacity: 1100mL No. of cylinders: 1 Features: ECO mode, low oil shutdown Noise level @ 7m: 59db(A) on low idle Net weight: 107.1kg Fully assembled dimensions (H x W x L): 752 x 634 x 665mm ▼ 10/15/20KWH LFP ESS In the Box 2x, 3x or 4x TBB Renewable 5.04Wh LiFePO4 Battery Bank (incl. brackets) - 1 X pallet, 1x RIIO SUN II Off-Grid Hybrid 8000W 48V Pure Sine Wave Inverter/Charger - 1 X carton, 1x set of cables, disconnectors, and accessories, Optional 20x DMEGC 450W N-type Double Glass Bifacial MC4-EVO2 Solar Panels - 1 X double pallet, and Optional Excel XL10000i 8800W Inverter Generator - 1 X carton. ▼ 10/15/20KWH LFP ESS FAQ's BATTERY BANK Warning: Never mix batteries within the battery bank. All batteries must be of the same type, size, and general age. Using an old, mismatched, or faulty battery can cause significant issues. Note: New batteries behave like older ones initially and require a few cycles to function optimally. 1. What is the battery bank capacity of the 10/15/20kWh LFP ESS? The 10/15/20kWh LFP ESS uses 2x, 3x, or 4x TBB RENEWABLE ES100-II Lithium-Ferro-Phosphate (LFP) batteries with a total capacity of 10.08/15.12/20.16KWh in parallel. It is designed to optimise energy usage, providing a stable electricity supply while reducing costs. By harnessing free solar energy to charge the battery, this system revolutionises your energy consumption. When integrated with a private power station, such as a solar energy generation system, it enables a reliable 24/7 home power network. 2. What is the cycle life of the battery? TBB ES100-II batteries are rated for 6,000+ cycles at 90% depth of discharge (DoD). 3. How can I maximise the lifespan of the battery? Regular Charging: The battery must be charged at least once every six months. During this maintenance charge, ensure the State of Charge (SoC) exceeds 90%. Annual Checks: After installation, inspect the power connector, grounding points, power cables, and screws annually. Ensure there are no loose connections, broken components, or signs of corrosion. Verify the installation environment is free from dust, water, and insects, and remains suitable for an IP20-rated battery system. Storage Maintenance: If the battery is stored for extended periods, recharge it every six months to maintain an SoC above 90%. 4. What are the battery care and storage instructions? Storage Charging: Recharge the battery every six months when stored, ensuring the SoC is at least 90%. Post-Discharge Recharging: Recharge the battery within 12 hours after a full discharge. Environment Restrictions: Avoid installing the battery in outdoor environments or locations outside the operational temperature or humidity range specified in the manual. 5. When should I charge my TBB LIFePO4 battery? LiFePO4 batteries do not require charging after every use unless fully discharged. They are not damaged by remaining in a partial state of charge (PSOC). Charge the battery after use or when it has been discharged to 80% depth of discharge (DoD), leaving a 20% state of charge (SoC). 6. What should I do if the battery bank loses power too quickly?Check Appliance Power: Verify whether high-power electrical appliances are connected. For example, with a 10kWh or 15kWh Off-Grid Energy Storage System, if a connected appliance consumes approximately 2,000W, the battery will last about 4.5 hours (10kWh) or 6.8 hours (15kWh) when discharged from 100% to 10%. DC TO AC INVERTER 1. What does a power inverter do? A power inverter converts battery power into mains electricity. Specifically, it transforms 48V direct current (DC) into 230V alternating current (AC). This 230V AC matches the electricity supplied by utility companies and is suitable for household appliances like lights, televisions, and refrigerators. In the 10/15/20kWh LFP ESS, the RIIO SUN II Off-Grid Hybrid 8000W 48V Pure Sine Wave Inverter/Charger is used to create a home 230V "grid". 2. What type of inverter is used in the 10/15/20kWh LFP ESS? The system uses a pure sine wave inverter rated at 8000W. This inverter outputs a smooth, harmonic sine wave resembling utility-supplied power. It seamlessly switches polarity ("+" and "-") between power cables and adjusts voltage gradually to meet demand. This inverter design ensures compatibility with a wide range of appliances. 3. What are the key feature of this inverter? 8000W 48V Pure sine wave inverter: Converts DC current into 230V AC mains electricity to power household appliances such as TVs, laptops, fridges, microwaves, and lighting. Delivers 8000VA continuously, with a peak capacity of 16000VA to support appliances requiring high starting currents, such as pumps or vacuum cleaners. Built-in 4400W high solar input MPPT charge controllers: Two independent solar inputs can handle up to 4400W each. The MPPT controller charges batteries efficiently (up to 50A), ensuring safety against overcharge, overheating, and reverse current. Advanced MPPT technology achieves up to 98% efficiency, ideal for systems with large or varying solar arrays. Performance is displayed on the LCD screen. Enhanced 90A smart battery charger: Enables fast, efficient (up to 90A), and safe charging of batteries from mains or generators, featuring multiple charging stages and overcharge protection. System expansion potential: Can be connected in parallel with up to three additional inverters for system expansion, handling up to 24kW. Supports 3-phase operation for industrial-grade machinery. 4. What are the additional feature of this inverter? Automatic Generator Start (AGS): Activates a generator only when necessary for optimal energy use. Power Assist and Control: Allows a small generator to handle heavy loads by supplementing power as needed. User-Friendly Monitoring: Features the Nova Web and mobile app via the TBB-KIN2 Kinergy-II Wi-Fi module for remote monitoring and control. Reliable Operation: A fast 4ms switch ensures uninterrupted power during outages. ECO mode maximises battery backup time with low energy consumption. High Efficiency: Achieves 94% inverter efficiency and 98% MPPT efficiency, maximising energy output. Ease of Use: The all-in-one design simplifies installation and maintenance. It auto-restarts when PV or AC power is restored, ensuring seamless operation. 5. WHAT CAN I USE RIIO SUN II 8000W 48V HYBRID INVERTER FOR? The 8000W 48V off-grid hybrid inverter is selected based on typical power consumption for standard household appliances. Refer to the table below for examples. Equipment Continuous power rating of inverter --- Home and kitchen appliances --- Power consumption 3000W 5000W 6000W or more Table fan* 50W Ok Ok Ok Sewing machine* 100W Ok Ok Ok Halogen light** 100W Ok Ok Ok Pedestal fan* 100W Ok Ok Ok Blender* 350W Ok Ok Ok Small fridge* 200W Ok Ok Ok Large fridge* 500W Ok Ok Ok Washing machine (no heating)* 700W Ok Ok Ok Microwave oven** 900W Ok Ok Ok Coffee maker* 1200W Ok Ok Ok Iron 1500W Ok Ok Ok Hair dryer* 1200W Ok Ok Ok Toaster 1200W Ok Ok Ok Vacuum cleaner* 2000W Ok Ok Ok Dishwasher* 1500W Ok Ok Ok Hob 1500W Ok Ok Ok Washing machine (with heating)* 2000W Ok Ok Ok --- Audio and video appliances --- 3000W 5000W 6000W or more 12'' colour LCD TV 20W Ok Ok Ok Satellite TV receiver 30W Ok Ok Ok HiFi stereo with CD changer** 50W Ok Ok Ok DVD / Blu-ray player 50W Ok Ok Ok 20'' colour LCD TV 100W Ok Ok Ok 42'' colour LCD TV 200W Ok Ok Ok 100W stereo amplifier** 200W Ok Ok Ok Home theatre system** 500W Ok Ok Ok Active speaker 250W RMS** 500W Ok Ok Ok Active speaker 500W RMS** 1000W Ok Ok Ok --- Computers and home office --- 3000W 5000W 6000W or more Mobile phone charger 5W Ok Ok Ok Small inkjet printer 40W Ok Ok Ok Laptop 50W Ok Ok Ok Fax machine 50W Ok Ok Ok Desk lamp 50W Ok Ok Ok Desktop computer with 17'' monitor 400W Ok Ok Ok Large laser printer* 800W Ok Ok Ok - Power tools and other equipment - 3000W 5000W 6000W or more Drill* 800W Ok Ok Ok Electric chainsaw* 1000W Ok Ok Ok Electric lawn mover* 1000W Ok Ok Ok Pressure washer* 1000W Ok Ok Ok Grinder* 2000W Ok Ok Ok Air compressor* 2000W - - Ok Appliances marked with an asterisk (*) are likely to have a starting power consumption several times higher than their normal operating power. This is typically due to the presence of electric motors. For example, an electric lawnmower with a normal operating power of 1,000W may have a starting power of over 4,000W. An inverter with a continuous power of 3,000W is suitable in such cases because it can handle a peak power of up to 6,000W.* **Appliances without electric motors may also have variable power consumption with occasional spikes. These spikes necessitate a larger inverter than would typically be required for devices with similar nominal power ratings. Please note: This table is for general guidance only. The actual power consumption and starting power requirements of your appliances may vary significantly. Always check the specifications of your devices to confirm their continuous and starting power requirements. If multiple devices are connected to the inverter, the total power consumption should be the sum of all connected appliances. This total will determine the inverter capacity required. 6. Why are a 48V battery bank and a 48V DC to 230V AC inverter used in this system? This configuration offers several key advantages: The inverter’s input current is two to four times smaller at 48V compared to 24V and 12V, respectively, improving system safety and reliability. The cables connecting the battery to the inverter can be thinner than those required for a 24V or 12V system, reducing material and installation costs. 7. What AC inputs/outputs does the inverter have? 1 x 230VAC INPUT; 1 x 32A 240VAC; and 2 X 13A 230VAC OUTPUT. 8. Does the inverter have wireless control? The inverter can be set up to send data to an online user portal using a NOVA WEB & APP. 9. What should I do if the inverter cannot power electrical appliances? Confirm that the inverter's output power meets the power requirements of the connected appliances. If a warning is displayed, follow the troubleshooting steps outlined in the User Manual. 10. What should I do if an appliance's usage time is too short? The inverter operates at less than 100% efficiency, with the best efficiency being approximately 98%. Actual usage time may vary depending on the continuous power demand of the appliance. For an accurate calculation of usage time, contact Energian Customer Service with the specifications of your appliances. SOLAR AND AC BATTERY CHARGING 1. What are the RIIO SUN II 8000W INVERTER's built-in solar charger specifications? Maximum solar input power: 2x 4,400W Maximum open circuit solar input voltage: 250V Solar MPPT operating voltage per tracker: 65-245V DC Maximum solar output current: 100A (50A per tracker) 2. What are the RIIO SUN II 8000W INVERTER's built-in AC charger specifications? Maximum mains AC charging current: 90A Solar / AC charger max efficiency: 98% Any questions? Please call us on 020 8064 0335 or email [email protected].
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