Products Description
HPI-6K-SP Off-Grid Solar Storage Inverter
Premium Power Solution for Reliable Energy Independence
Designed for residential and light commercial applications, the HPI-6K-SP is a high-performance off-grid solar storage inverter that delivers pure sine wave AC power with a rated output of 6kW. Whether you are building a backup system for unstable grids, a self-sufficient off-grid home, or a portable power station for remote sites, this inverter combines advanced PV technology, smart battery management, and rugged durability to ensure uninterrupted power around the clock.
Ultra-High Efficiency with Dual MPPT Input
Dual independent MPPT trackers, each with 22A input current and 6000W max. PV power. MPPT tracking efficiency up to 99.9% and overall max. efficiency of 97.5% – maximizing solar harvest.
High-Current Fast Charging & Broad Battery Compatibility
Max. charging/discharging current of 135A. Compatible with lithium-ion, lead-acid, and user-defined batteries. Built-in BMS communication (RS485/CAN/USB) and exclusive dual-activation for Li-ion batteries ensure seamless integration with various storage systems.
IP65 Protection & Wide Operating Temperature Range
Robust IP65-rated housing for outdoor use, dustproof and waterproof. Operates from -40℃ to +60℃ with intelligent fan cooling,ensuring reliable performance in extreme climates.
High Surge Capacity & Scalable Parallel Configuration
Pure sine wave output with 2× rated power surge for 10 seconds – easily starts inductive loads. Supports up to 6 units in parallel, delivering a combined output of 36kW for residential and light commercial applications.
Smart Control & Full Safety Certifications
Features energy-saving mode, time-of-use scheduling, and 10ms fast transfer (grid/generator to battery). Comprehensive protections against overload, short circuit, etc. Certified to IEC62109, EN61000, and RoHS, backed by a 5-year warranty – safe and intelligent power management.
Product Parameters
| Model | HPI-6K-SP |
| AC Output | |
| Rated Output Power | 6000W |
| Max. Peak Power | 2 times of rated power,10s |
| Rated Output Voltage | 230Vac (200/208/220/230/240Vac Settable) |
| Rated Output Current | 26.1Aac |
| Rated Frequency | 50Hz / 60Hz |
| Waveform | Pure sine wave |
| Switch Time | 10ms (Typical) |
| Battary | |
| Battery Type | Lithium-ion / Lead-acid / User-defined Battery |
| Rated Battery Voltage | 48Vdc |
| Battery Voltage Range | 40Vdc ~ 60Vdc |
| Max. Discharging Current | 135Adc |
| Max. Grid/Generator Charging Current | 135Adc |
| Max. PV Charging Current | 135Adc |
| PV Input | |
| No. of MPPT Trackers | 2 |
| Max.Access Power | 12000W |
| Max. PV Input Power | 6000W + 6000W |
| Max. PV Input Current | 22Adc + 22Adc |
| Max. Input Short-Circuit Current | 33Adc + 33Adc |
| Max. Input Voltage | 500Vdc / 500Vdc |
| PV Start-up Voltage | 60Vdc / 60Vdc |
| MPPT Operating Voltage Range | 65Vdc ~ 450Vdc / 65Vdc ~ 450Vdc |
| Grid/Generator Input | |
| Rated Input Voltage | 220Vac / 230Vac |
| Input Voltage Range | Grid power (170Vac ~ 280Vac) ±2% Generator power (90Vac ~ 280Vac) ±2% |
| Input Frequency Range | 50Hz : 47Hz ~ 55Hz, ±0 .3Hz 60Hz : 57Hz ~ 65Hz, ±0 .3Hz |
| Bypass Overload Current | 40Aac |
| Efficiency | |
| MPPT Tracking Efficiency | 99.9% |
| Max. Efficiency | 97.5% |
Application
Suitable Installation Scenarios
Based on the key technical specifications of the HPI-6K-SP, this off‑grid inverter is particularly well‑suited for the following application scenarios:
Off‑Grid Residential Homes in Remote Areas
* With 6kW rated output, it covers typical household loads (lighting, refrigerator, TV, computer, small AC units).
* Dual MPPT (6kW each) allows high‑capacity PV arrays, paired with a 48V battery bank for 24/7 self‑sufficient power.
* IP65 enclosure and wide operating temperature (-40~+60℃) make it reliable in harsh outdoor conditions such as mountains, deserts, or plateaus.
Backup Power for Grid‑Unstable Regions
* Fast 10ms transfer time (grid/generator ↔ battery) ensures near‑seamless supply to critical loads (security systems, small medical devices, routers) during outages.
* Generator input (90~280Vac) enables supplementary charging during prolonged cloudy periods, enhancing overall security.
* Energy‑saving mode minimises standby losses, extending battery autonomy.
* Generator input (90~280Vac) enables supplementary charging during prolonged cloudy periods, enhancing overall security.
* Energy‑saving mode minimises standby losses, extending battery autonomy.
Outdoor or Semi‑Outdoor Installations (Courtyards, Garages, Farms, Telecom Shelters)
* IP65 dust/water protection eliminates the need for additional enclosures; wall‑mount or floor‑mount directly under eaves or in equipment sheds.
* Hybrid cooling (heat sink + intelligent fan) with derating above 45°C protects internal components during hot seasons, ensuring long‑term stability.
* Hybrid cooling (heat sink + intelligent fan) with derating above 45°C protects internal components during hot seasons, ensuring long‑term stability.
Small Commercial / Office Premises and Light Workshop
* 12kW surge capacity (for 10 seconds) easily starts inductive loads like small AC units, water pumps, compressors, and welding machines.
* Parallel capability (up to 6 units, 36kW total) allows flexible scaling as business grows – ideal for small supermarkets, cafes, clinics, etc.
* Parallel capability (up to 6 units, 36kW total) allows flexible scaling as business grows – ideal for small supermarkets, cafes, clinics, etc.
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