The Sol-Ark 8k is your best choice solar inverter! It’s an all-in-one, pre-wired inverter that is flexible, efficient, and affordable. Everything you need comes in one box, keeping your cost LOW and installation SIMPLE.
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Sol-Ark 8k Overview
Next Generation Efficiency
3X Better! Only 4% losses vs. 14% in today’s battery based systems
Split Phase
Sol-Ark 8K pumps out power just like the grid, allowing you to power 120V and 240V appliances simultaneously
Grid Tied, Hybrid, or Off-Grid
Manages power from Solar, Battery, Grid, Load, and Generator simultaneously
Flexible
Sol-Ark is expandable from 5 to 36 (11 kW) solar panels and 0-32 batteries.
5-Year Standard Warranty
10-Year extended warranty available
Description
There has been a lot of excitement in the solar industry since the Sol-Ark 8k hit the market! Through this inverter, the Sol-Ark company has proven themselves to be innovative leaders when it comes to solar inverters. So what’s all the hype about? The Sol-Ark 8k is a an all-one, pre-wired inverter system that is flexible, efficient, AND affordable!
The Sol-Ark 8k is All-in-One
Everything you need in one box! Inside of one Sol-Ark 8k inverter, you are also benefiting from the following built-in features:
- Color touch screen interface
- AC In/Out: 9kW
- AC Load Out: 20kWpk
- Battery Temp sensor
- Auto-Generator Start
- PV Rapid Shut Down
- Built in Arc Fault and Ground Fault detection
- External current sensors
- Batter communications
- Grid Tied Mode:Â Sell your power to the grid
- Meter Zero Mode:Â Zero your whole home power
- Time of Use:Â Use batteries to avoid $$ power
- 120/240/208V
- Smart Load:Â Programmable Loads for high power off-grid items saves battery capacity
- AC Coupling:Â Add backup to 7kW of existing Grid Tie Installs
- Peak Shaving:Â Reduces peak demand charges
The Sol-Ark 8k is Flexible
The Sol-Ark inverters can be used in grid-tie, hybrid, and off-grid systems and don’t have expensive battery restrictions like other inverters do; they can be used with the widest variety of 48V battery chemistries.
The Sol-Ark 8k is Efficient
The Sol-Ark 8k sets records and tops Efficiency tops Tesla, Outback, Magnum, Pika, Solar Edge, and Sonnen! The Sol-Ark 8k boasts only 4% losses, whereas most system losses today are around 14% in battery based systems.
Sol-Ark achieved this with the innovative design of the sol-ark 8k that combines all of the electronics into a single DC Transformerless system (reducing the cost by 25%+). Eliminating transformers allowed Sol-Ark to achieve 97.0% efficiency. That is unbelievably high while using affordable 48V external batteries. Several expensive 380V battery solutions claim high efficiency but fail to include the 380V conversion losses to an internal 50V battery.
The Sol-Ark 8k is Afforable
Because it’s an all-in-one solar inverter, the Sol-Ark 8k requires minimal additional hardware, keeping the cost low and installation simple. When stacked up against equivalent systems using other inverters, they are the most affordable option by a wide margin. See the comparison charts below!
Comparison Charts
Other popular transformer-less systems require expensive certified batteries while the Sol-Ark can work with any battery!
The Sol-Ark costs less than popular battery based inverters once you factor in required hardware:
Monitor it from anywhere!
Downloads
Inverters Compared – Comparison chart of competing solar inverters
Sol-Ark 8k Specifications
| General | |
|---|---|
| Dimensions (H x W x D) | 28.0″ x 17.375″ x 9.37″ |
| Weight | 75 lbs |
| Ensclosure | NEMA type 1 (Indoor Use) |
| Ambient Temperature (4 speed variable fans) | -25 to 55c, >45C derating |
| Display | Color touch screen |
| Wifi Communication (monitoring or SW updates) | integrated |
| Snap on sensors for limited selling to Household | included |
| Standard Warranty | 5 years |
| Optional Extended Warranty | 10 years |
| Solar | |
|---|---|
| Max allowed PV power | 110000W |
| Max PV Power per MPPT | 6000W |
| Max DC voltage | 500V |
| MPPT voltage range | 150-425V |
| Starting voltage | 175V |
| Number of MPPT | 2 |
| Solar strings per MPPT | 2 |
| Max DC current per MPPT | 18A (self limiting) |
| Max AC Coupled Input (Micro/String Inverters | 7,000W |
| Max Combined Solar Input | 13,000W |
| AC Output | |
|---|---|
| Connections | 120/240 split phase |
| Continuous AC power on Solar or Battery | 900W 37.5A L-L (240V) 40A L-N (120V) |
| Surge AC power 5sec | 20,000VA L-L (240V) 10,000VA L-N (120V) |
| Frequency | 60/50Hz |
| Continuous AC power with Grid or Generator | 12000W 50A L-L (240V) 6000W 50A L-N (120V) |
| CEC Efficiency | 96.5% (Peak 97.5%) |
| Idle Consumption typical – no load | 60W |
| Sell back power modes | Limited to Household or Full Grid-Tied |
| Design (DC to AC) | Transformerless DC |
| Response Time (Grid-Tied to Off-Grid) | 4ms |
| Power Factor | +-0.9 – 1.0 |
| Battery (optional) | |
|---|---|
| Type | Lead-Acid or Li-Ion |
| Nominal DC Input | 48V |
| Capacity | 90 – 2000Ah |
| Voltage Range | 42.0 – 59.0V |
| Continuous Battery charging output | 190A |
| Charging curve | 3-stage w/ equalization |
| Grid to Batter Charging Efficiency | 96.0% |
| External temperature sensor | included |
| Current shunt for accurate % SOC | integrates |
| External Generator Start based on voltage of % SOC | integrated |
| Communications to Lithium battery | CanBus & RS485 |
| Protection & Certifications | |
|---|---|
| Electronics certified safety by SGS labs to NEC & UL Specs – NEC 690.4B & NEC 705.4/6 | Yes |
| Grid Sell Back – UL1741 – 2010/2018, IEEE1547z-2003/2014, FCC classB, UL1741SA, CA Rule 21, HECO Rule 14H | Yes |
| PV DC disconnect switch – NEC 240.15 | integrated |
| Ground Fault Detection – NEC 690.5 | integrated |
| PV rapid shutdown control – NEC 690.12 | integrated |
| PV Arc Fault detection – NEC 690.11/UL1699B | integrated |
| PV input lightning protection | integrated |
| AC input/output 50XA breakers | integrated |
| Battery breaker / disconnect | integrated |
| User wiring enclosure 4/3/4″ & 1″ knock-outs | integrated |
| Solar Flare/EMP Hardened to 2015 MIL-STD-461G (Independently testing June 2018) | optional |
Related Reading:
- Sol-Ark 8k Efficiency Tops Tesla
- Sol-Ark Innovation Wins U.S. Department of Energy American-Made Solar Prize
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