Solo 6.5K InverterReliable, Flexible Power for Non-Export ApplicationsThe Fortress Power Solo 6.5K is a powerful and flexible 6.5kW split/single-phase hybrid inverter designed for off-grid living, backup power, and grid-tied solar systems. Featuring a built-in 140A solar charge controller and support for both grid and generator input, the Solo 6.5K Inverter ensures seamless power management and reliable operation in any energy scenario. Its intelligent switching system provides uninterrupted power, while time-of-use scheduling helps homeowners lower utility bills by optimizing when energy is stored and used.
Perfect for residential applications, the Solo 6.5K Inverter supports parallel installation of up to six unitsùdelivering up to 39kW of output power. Optional current transformers (CTs) enhance safety and precision by monitoring current flow and improving system stability. Whether youÆre powering a remote cabin, designing a smart microgrid, or adding resilience to your grid-connected home, the Solo 6.5K Inverter delivers clean, stable energy when and where you need it.
Applications- Off-Grid
- Grid-Tied
- Solo 6.5K Inverter Installation Manual | Download
- Data Sheet | Download
High-Capacity Solar Charging- The built-in solar charge controller supports up to 140A, maximizing solar input for faster, more efficient battery chargingùideal for large off-grid systems or high-usage households.
Dual Power Source Compatibility- Supports grid and generator input with intelligent switching, giving you seamless power management and uninterrupted operation during outages or low solar production.
Time-of-Use Optimization- Advanced time-sharing functionality allows users to schedule charge and discharge cycles, optimizing energy usage and reducing reliance on expensive utility rates.
Safe & Stable Operation with Optional CT- Optional current transformers (CTs) enhance system safety and reliability by monitoring current flow and enabling precise load control and protection.
Scalable Up to 39kW- Parallel up to six units for a total output of 39kW, making it a powerful choice for homes and o -grid or grid-tied applications.
Versatile Application Support- Designed for a range of energy scenarios including Backup Power, Off-Grid Living, Smart Load Control, and Microgrid Installationsùall in one rugged and intelligent package.
| GENERAL DATA |
| Weight | 47.84 lbs (21.7 kg) |
| Operating Temperature | 14 ºF – 131 ºF (-10 ºC – 55 ºC), >45 ºC derating |
| Protection Level | IP20 (for indoor use only) |
| Noise | <60db |
| Dimensions (H x W x D) | 27 x 16.1 x 5.5 in (686 x 410 x 140 mm) |
| Cooling Mode | Fan |
| INVERTER OUTPUT |
| Rated Output Power | 6,500W |
| Maximum Peak Power | 13,000 VA |
| Rated Output Voltage | 120/240 VAC (Single/Split-Phase)* |
| Rated Frrequency | 50/60Hz* |
| Output Wave | Pure Sine Wave |
| Switching Time | 10 ms (typical value) |
| Parallel Number | 6 |
| BATTERY PARAMETERS |
| Compatible Battery Type | Lithium-ion battery / lead-acid battery / user- defined battery* |
| Rated Battery Voltage | 48 Vdc |
| Voltage Range | 40 Vdc-60 Vdc* |
| Maximum Grid/Generator Charge Power | TBD |
| Maximum Battery Charge Power (with PV) | 140 A DC* |
| PV INPUT |
| MPPT Channel Number | 2 |
| Maximum Input Power | 5,000W+5,000W |
| Maximum Input Short Circuit Current | 18 / 18 A |
| Maximum Open Circuit Voltage | 550 Vdc / 550Vdc |
| MPPT Operating Voltage Range | 150 Vdc-450 Vdc |
| GRID / GENERATOR INPUT |
| Input Phase Voltage Range | 65 VAC – 140 VAC |
| Grid Frequency Range | 50/60 Hz |
| Bypass Overload Current | 40A |
| COMMUNICATION |
| Built-in Interface | RS485 / CAN / USB / dry contact* |
| External Module (Optional) | Wi-Fi / GPRS* |
| EFFICIENCY |
| MPPT Tracking Efficiency | 99.9% |
| Maximum Efficiency of Battery Inverter | 93% |
| STANDARDS & CERTIFICATIONS |
| Safety Standards | IEC62109-1, IEC62109-2, and UL1741 |
| EMC | EN61000-6-1, EN61000-6-3, and FCC 15 class B |
| RoHS | Yes |