On/Off Grid Solar Inverter Pure Sine Wave Solar Inverter
Product Features:
1.Up to 200% oversizing allowed with 3 MPPTS
2.Support high power module with 30A PVinput current
3.Support AC coupled solarinput
4.Stackable up to 9 units
5.Four application modes, mixed with time control
6.Remote configuration and upgrade
MODEL | SP5KL-UL | SP6KL-UL | SP7K6L-UL | SP10KL-UL | SP11K4L-UL | Nominal Battery Voltage | | Mounting Method | | Battery Type | | Nos.of MPPT | | | Nominal Output Voltage | | Battery Voltage Range | | Rated Grid Frequency | | Transfer Time | | Nominal AC Output Power | | | | | | Ingress Protection Degree | | | | | | Max.AC Output Apparent Power | | | | | | Weight | | Dimensions (W*H*D) | | Warranty | 5 Years/10 Years (Optional) | Display | | |
Technical Parameters:





Reasons Why Customers Purchase This Inverter
Based on the technical data sheet, customers choose this inverter due to efficiency-driven savings, system compatibility, reliability, safety compliance, and environmental adaptability, as detailed below:
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Energy Efficiency Priorities The inverter boasts industry-leading conversion efficiencies: up to 98.0% (PV to AC), 94.5% (battery to AC), and a CEC efficiency of 96.5%. These reduce energy loss during power conversion, directly lowering long-term electricity costs for solar generation and energy storage systems.
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PV System Compatibility
- Power Range: Models cover 7.5kW to 15kW of maximum PV input power, suiting small residential to medium commercial solar arrays.
- MPPT Flexibility: Wide MPPT voltage range (70V–540V), high single-MPPT current (30A/40A), and 2–3 MPPT channels ensure compatibility with diverse PV module brands/specs. Even in low-light or cloudy conditions, MPPT efficiently tracks maximum power.
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Energy Storage Flexibility
- Battery Compatibility: Supports both lithium-ion and lead-acid batteries (adapting to existing lead-acid setups or new lithium deployments).
- Charge/Discharge Performance: Battery voltage range (40V–64V), high charge/discharge current (up to 210A), and power (up to 10kW) enable seamless integration with home or small commercial energy storage systems.
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Load & Reliability Demands
- Powerful Output: Grid-tied and backup AC output power (e.g., 10kW for SP10KL-UL) and peak apparent power up to 20kVA handle high-load devices (e.g., air conditioners, industrial equipment) and surges.
- Seamless Backup: Transfer time <10ms (typical) ensures “zero-perception” switching to battery power during outages, critical for sensitive loads (medical devices, office systems).
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Safety & Regulatory Compliance
- Comprehensive Protection: Class I protection (anti-electric shock), anti-islanding, overcurrent/overvoltage, short-circuit, reverse polarity, and surge protection safeguard systems and users.
- Global Certifications: UL 1741 (PV safety), CSA C22.2 (Canadian safety), FCC Part 15 (EMC) meet strict North American/European regulatory requirements, simplifying market access.
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Environmental & Maintenance Value
- Harsh Environment Tolerance: Operates at 2,000m altitude, -25°C to 60°C (with derating), and 0–100% humidity (fan cooling ensures thermal stability). Ideal for high-altitude, extreme-temperature, or humid regions.
- Warranty & Support: 5-year basic warranty + 10-year optional extension reduces long-term maintenance risks and costs.
Core Advantages of the Inverter
The inverter’s competitive edge stems from efficiency, adaptability, safety, intelligence, and environmental resilience, as evidenced by technical specifications:
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Efficiency Benchmark
- Top-tier conversion: 98.0% (PV→AC), 94.5% (battery→AC), and 96.5% CEC efficiency minimize energy waste.
- Superior power quality: Power factor >0.99 (rated power) and THDi <3% ensure clean, grid-compliant electricity.
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Full-Scenario Adaptability
- PV Side: 7.5kW–15kW input power, multi-channel MPPT, and wide voltage/current ranges adapt to small residential or commercial solar systems.
- Storage Side: Dual battery type support, broad voltage range (40V–64V), and high charge/discharge capacity integrate with legacy lead-acid or modern lithium setups.
- Load Side: Matched grid-tied/backup output power (e.g., 10kW bidirectional for SP10KL-UL) and 20kVA peak handle heavy loads and surges.
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Robust Safety Engineering
- Class I protection + 10+ electrical safeguards (anti-islanding, overcurrent/voltage, short-circuit, etc.) eliminate shock, fire, and system failure risks.
- Compliance with global safety standards (UL, CSA, FCC) ensures reliability across markets.
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Smart & User-Centric Design
- Monitoring & Control: Wireless, APP, and optional LCD interfaces enable remote management. Multi-protocol support (CAN, RS485, WiFi) integrates with BMS (Battery Management Systems).
- Installation & Switching: Wall-mountable design, terminal-based PV connections, and <10ms backup transfer simplify deployment and ensure uninterrupted power.
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Extreme Environment Resilience
- Operates at 2,000m altitude, -25°C to 60°C (with derating), and 100% humidity. Fan cooling maintains thermal stability in harsh climates (e.g., highlands, deserts, tropical regions), reducing downtime.
These advantages position the inverter as a versatile, efficient, and safe solution for residential, small commercial, and distributed solar+storage applications, addressing core pain points in power generation, storage, and consumption.