Description
The Solis S6-EH1P9.9K03-NV-YD-L 10kW Hybrid Solar Inverter (Solarator Series) is a modern single-phase power conversion system designed for demanding residential and commercial installations. It functions by combining power flows from rooftop solar modules, low-voltage battery banks, the national grid, and auxiliary fuel generators into one automated system.
In Bangladesh, where frequent load shedding, voltage instability, and high commercial and residential electricity tiers disrupt productivity, this 10kW-class (9.9kW rated) hybrid inverter ensures long-term energy independence. It maximizes daytime solar self-consumption, stores surplus energy in 48V battery banks, and delivers seamless backup power to run heavy loads, including central air conditioning, refrigeration units, and water pumps.
Key Features
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9.9kW Continuous Grid & Backup Output: Powers large multi-story residences and commercial workspaces on single-phase 220V/230V infrastructure.
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Up to 160% PV Oversizing: Accommodates a recommended PV array of up to 19.8kW with 15.8kW usable input power to maximize energy harvest during cloudy or hazy days.
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Triple MPPT Architecture (3 MPPTs / 6 Strings): Supports flexible panel layout across multiple roof orientations and complex roof profiles without string mismatch losses.
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200% Surge Overload (10 Seconds): Capable of sustaining up to double its rated output to handle the high startup currents of induction motors, compressors, and pumps.
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Ultra-Fast UPS Transfer (<10ms): Automatically takes over during grid dropouts in under 10 milliseconds, preventing computers, security equipment, and IT gear from shutting down.
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208A High-Current Battery Charge/Discharge: Rapidly replenishes 40V–60V Lithium-ion and Lead-acid battery banks through intelligent 6-stage charge profiles.
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Generator Integration & Auto-Start: Features dedicated generator input terminals and automatic controls to manage secondary emergency power during extended outages.
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Scalable Multi-Unit Paralleling: Supports parallel networking of up to 6 units to scale capacity as property power demands expand over time.
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Interactive 7-Inch Color Touchscreen: On-board industrial LCD interface enables full setup, status checks, and troubleshooting without requiring an active internet connection.
Technical Advantages
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Optimized Low-Voltage Architecture: Operating on a safe 40V–60V DC battery range reduces high-voltage battery hazards while maintaining compatibility with mainstream LiFePO4 and deep-cycle battery banks.
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Comprehensive Grid Compliance: Delivers pure sine wave power with a power factor exceeding 0.99 and total harmonic distortion (THDi) under 3% to protect sensitive electronics.
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Advanced Multi-Source Management: Automatically orchestrates solar, battery, grid, and generator inputs, including customizable battery reserve levels for emergency backup.
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Industrial Cooling & Ingress Protection: Combines intelligent fan cooling with an IP66-rated enclosure, protecting internal power electronics from dust, moisture, and monsoon rain.
Applications
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Multi-story residential buildings, duplex homes, and luxury estates
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Commercial offices, IT workspaces, corporate boardrooms, and network server hubs
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Supermarkets, departmental stores, restaurants, and cold-chain storage facilities
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Healthcare facilities, diagnostic clinics, dental practices, and hospitals
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Light manufacturing workshops, packaging units, and industrial facilities
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Educational campuses, training laboratories, and computer training centers
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Rooftop solar net-metering projects across Dhaka, Chattogram, and regional districts
Technical Specification Table
| Parameter | Specification |
| Model | S6-EH1P9.9K03-NV-YD-L |
| Brand | Solis |
| Series | Solarator Series |
| Marketed Power Class | 10 kW |
| Rated AC Output (Grid & Backup) | 9.9 kW |
| Operation Phase | Single Phase (L/N/PE) |
| Grid Voltage | 220 V / 230 V |
| Grid Frequency | 50 Hz / 60 Hz |
| Maximum Recommended PV Array Size | 19.8 kW |
| Maximum Usable PV Input Power | 15.8 kW |
| Maximum PV Input Voltage | 550 V |
| MPPT Operating Voltage Range | 80 V – 520 V |
| Start-up Voltage | 100 V |
| Number of MPPTs / Max Strings | 3 / 6 |
| Maximum PV Input Current | 40 A per applicable input configuration |
| Total Harmonic Distortion (THDi) | < 3% |
| Power Factor | > 0.99 |
| Compatible Battery Types | Lithium-ion (Li-ion) / Lead-acid |
| Battery Voltage Range | 40 V – 60 V |
| Maximum Charge / Discharge Current | 208 A |
| Battery Communication | CAN / RS485 |
| Backup Switchover Time | < 10 ms |
| Backup Overload Capability | 200% for 10 seconds |
| Maximum Efficiency | 97.6% |
| Ingress Protection Rating | IP66 |
| Cooling Method | Intelligent Fan Cooling |
| Display | 7-Inch Industrial LCD Touchscreen |
| Communication Interfaces | RS485, Bluetooth + App; Optional Cellular, Wi-Fi, LAN |
| Dimensions (W × H × D) | 459 mm × 845 mm × 313 mm |
| Device Weight | 55.5 kg |
| Operating Temperature Range | -25°C to +60°C |
| Topology | Transformerless |
| Generator Support | Supported (Multiple connection methods with auto-control) |
| Parallel Capability | Up to 6 units |
| Warranty | Official Manufacturer Warranty Applicable. |
Features List
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✓ 9.9kW continuous AC output for high-demand residential and commercial setups
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✓ Sub-10ms automatic UPS transfer time for non-stop power during load shedding
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✓ 3 independent MPPT trackers with 6 string inputs for flexible solar array layout
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✓ 208A high-current charging and discharging for 48V low-voltage battery banks
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✓ 200% overload surge capability for 10 seconds to start heavy compressor loads
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✓ Generator input integration with automatic startup controls
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✓ Parallel connectivity allowing expansion for up to 6 units
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✓ IP66-rated enclosure built for outdoor and dusty indoor installations
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✓ 7-inch color touchscreen display for local configuration without internet access
Benefits For Customers
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Zero Office or Home Downtime: Keeps high-load appliances, IT networks, and lighting running continuously during blackouts.
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Lowers Utility Tariffs: Maximize daytime PV generation and time-shift stored battery power to avoid peak grid rates.
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Heavy Appliance Support: Powers demanding inductive loads, such as multi-split air conditioners, deep freezers, and water pumps, without tripping.
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Versatile Battery Sizing: Compatible with 48V Lead-acid and modern LiFePO4 batteries to match project budgets.
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Built for Tropical Conditions: Withstands high humidity, airborne particulate matter, and ambient summer heat.
Installation & Maintenance Guide
Installation Requirements
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Wall Mounting Capacity: The inverter weighs 55.5 kg; mount vertically to a solid concrete wall, brick pillar, or engineered unistrut frame capable of handling dynamic structural weight.
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Clearance Spacing: Maintain a minimum 500 mm clearance around all sides and top of the unit to ensure unrestricted airflow for the intelligent fan cooling system.
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Battery Cable Sizing: Given the 208A maximum battery current, install high-gauge copper battery cables (minimum 70–95 mm² or dual runs) alongside appropriate external DC isolators and fuses.
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Earthing and AC Breakers: Install dedicated AC double-pole circuit breakers (minimum 63A rating) on grid and backup circuits, connected to an earth pit with under 5 Ohms resistance.
Maintenance Tips
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Fan and Vents Inspection: Inspect and clean the fan grilles and intake vents every 3 to 6 months using dry compressed air to clear accumulated dust and debris.
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Terminal Inspections: Check all high-current DC and AC screw connections annually to confirm proper torque specifications and prevent terminal overheating.
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Firmware & Diagnostics: Check for periodic firmware updates via SolisCloud or Bluetooth app to keep the internal battery management profiles current.
Safety Instructions
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De-energize and lock out all PV isolators, battery disconnects, and AC mains breakers before opening the terminal enclosure.
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Allow internal high-voltage capacitors to discharge for at least 5 minutes after switching off all power sources.
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Always verify battery polarity with a digital multimeter before connecting battery bank leads.
FAQ Section
Q: What is the price of the Solis 10kW Hybrid Solar Inverter in Bangladesh?
A: Pricing depends on local import duties, port clearances, and warranty packages. Contact our sales department to receive the latest price and delivery details.
Q: Where can I buy the Solis S6-EH1P9.9K03-NV-YD-L in Bangladesh?
A: You can purchase genuine units directly through our online store, with doorstep delivery, full engineering documentation, and installation support across Dhaka, Chattogram, and all regional districts.
Q: Can this 10kW inverter run multiple air conditioners during load shedding?
A: Yes. With a continuous 9.9kW output and a 200% surge capacity (nearly 20kVA for 10 seconds), it can easily start and run multiple 1.5-ton or 2-ton inverter air conditioners alongside refrigerators, fans, and office gear, provided the 48V battery bank is adequately sized.
Q: How fast does the inverter switch to backup power during an outage?
A: It features an automatic switchover time of less than 10 milliseconds (<10ms), preventing server reboots, TV dropouts, or desktop computer shutoffs.
Q: What battery voltage range does this inverter use?
A: It operates on a low-voltage 40V–60V DC battery architecture (nominal 48V/51.2V), compatible with both Lead-acid and modern Lithium-ion/LiFePO4 battery systems.
Q: Can I integrate a diesel or petrol generator with this inverter?
A: Yes. It includes dedicated generator connection support with multiple connection modes and automatic control signals to start and stop backup generators during extended grid failures.
Q: How many solar panels can I connect to this unit?
A: The inverter supports up to a 19.8kW maximum solar array size (15.8kW usable DC power), with 3 MPPT trackers and 6 PV string connections.
Q: Is the Solis 10kW hybrid inverter weather-resistant for outdoor mounting?
A: Yes. It has an IP66 ingress protection rating, making it completely sealed against dust ingress and high-pressure water jets from rain.
Q: Can I expand the system capacity in the future?
A: Yes. Up to 6 units can be connected in parallel, allowing you to expand your system capacity up to 59.4kW as your power needs grow.
Q: What is the warranty period for this inverter?
A: It comes with a 5-year standard manufacturer warranty supported by authorized service partners in Bangladesh.

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